id
float64 706
1.8k
| title
stringlengths 1
343
| abstract
stringlengths 6
6.09k
| categories
stringlengths 5
125
| processed_abstract
stringlengths 2
5.96k
| tokenized_abstract
stringlengths 8
8.74k
| centroid
stringlengths 2.1k
2.17k
|
|---|---|---|---|---|---|---|
706.3714
|
No phase transition for Gaussian fields with bounded spins
|
Let a<b, \Omega=[a,b]^{\Z^d} and H be the (formal) Hamiltonian defined on
\Omega by
H(\eta) = \frac12 \sum_{x,y\in\Z^d} J(x-y) (\eta(x)-\eta(y))^2 where
J:\Z^d\to\R is any summable non-negative symmetric function (J(x)\ge 0 for all
x\in\Z^d, \sum_x J(x)<\infty and J(x)=J(-x)). We prove that there is a unique
Gibbs measure on \Omega associated to H. The result is a consequence of the
fact that the corresponding Gibbs sampler is attractive and has a unique
invariant measure.
|
math.PR math-ph math.MP
|
let ab omegaabzd and h be the formal hamiltonian defined on omega by heta frac12 sum_xyinzd jxy etaxetay2 where jzdtor is any summable nonnegative symmetric function jxge 0 for all xinzd sum_x jxinfty and jxjx we prove that there is a unique gibbs measure on omega associated to h the result is a consequence of the fact that the corresponding gibbs sampler is attractive and has a unique invariant measure
|
[['let', 'ab', 'omegaabzd', 'and', 'h', 'be', 'the', 'formal', 'hamiltonian', 'defined', 'on', 'omega', 'by', 'heta', 'frac12', 'sum_xyinzd', 'jxy', 'etaxetay2', 'where', 'jzdtor', 'is', 'any', 'summable', 'nonnegative', 'symmetric', 'function', 'jxge', '0', 'for', 'all', 'xinzd', 'sum_x', 'jxinfty', 'and', 'jxjx', 'we', 'prove', 'that', 'there', 'is', 'a', 'unique', 'gibbs', 'measure', 'on', 'omega', 'associated', 'to', 'h', 'the', 'result', 'is', 'a', 'consequence', 'of', 'the', 'fact', 'that', 'the', 'corresponding', 'gibbs', 'sampler', 'is', 'attractive', 'and', 'has', 'a', 'unique', 'invariant', 'measure']]
|
[-0.1674355005638467, 0.1513280921656313, -0.11093467763728565, 0.05112749776832523, -0.06540542229684809, -0.192796126621524, -0.006212821838239001, 0.3772593734874612, -0.3087043979515632, -0.15879539617647728, 0.07177381875873026, -0.3181513726474747, -0.09188442508734408, 0.13073003291714166, -0.04932437534074462, 0.013809291985891169, 0.05885061426531701, 0.13242527917175304, -0.038373120831296084, -0.1539759613750946, 0.3328676157231842, -0.0741472498528541, 0.17443955490838678, 0.09467437650476183, 0.15621454653049271, -0.003126273863017559, 0.046646599436090105, 0.005051679009320362, -0.24534288498998938, 0.04656638824824421, 0.20233714687711898, 0.11970310113836258, 0.30771906214160105, -0.23861049263486786, -0.13230638432183436, 0.2418820892963263, 0.1289269258785579, -0.06737471790984273, -0.006769347721562972, -0.28856365979900434, 0.17797999854184807, -0.12538347014832119, -0.13911525950220133, -0.10703823784558428, 0.1158859980484796, 0.035073643018092425, -0.35700460319362937, 0.05801785104568043, 0.12960424645256902, 0.03977918338828853, -0.05274779085690776, -0.14739417568558738, -0.07291806991293376, 0.03816873518868335, -0.004736313138097998, 0.1918653707123465, 0.03523835644037241, -0.013830694000399301, -0.07719518155569122, 0.367366370774569, -0.12405992321862233, -0.27046091564827496, 0.14063135987620742, -0.16002154827029222, -0.13912065516388605, 0.09029864182784444, 0.041364086525780816, 0.1321591968455958, -0.09593078902079946, 0.2711951496081412, -0.1065257310808178, 0.12082913630856348, 0.050191835618563115, -0.0077080149942683794, 0.11064636890613844, 0.04920143293335088, 0.18666361640429213, 0.11818816443897844, 0.00141589001231339, -0.060821830782861935, -0.3440637599144663, -0.20005347329147516, -0.29329165524529616, 0.17500276627048614, -0.08628731393851229, -0.2086934458505037, 0.3253639930164412, 0.0599839294565812, 0.18599147553600015, 0.07634934474019305, 0.1954844281934793, 0.18889924913408265, 0.010036890457812992, 0.07330794849743445, 0.08203430807897968, 0.16195534405461143, -0.026779904680710936, -0.17332201737851377, 0.06262803857495623, 0.08505212044018129]
|
706.3715
|
Faraday Rotation in Global Accretion Disk Simulations: Implications for
Sgr A*
|
These Faraday rotation calculations of hot, thick accretion flows are
motivated by the measured steady rotation measure (RM) of $\approx -6 \times
10^5$ rad m$^{-2}$ from Sgr A*. In our numerical simulations, the quasi-steady
state structure of the accretion flow, and the RM it produces, depends on the
initial magnetic field. In spite of this dependence, we can draw several robust
conclusions about Faraday rotation produced by geometrically thick accretion
disks: i) the time averaged RM does not depend that sensitively on the viewing
angle, but the stability of the RM can. Equatorial viewing angles show
significant variability in RM (including sign reversals), while polar viewing
angles are relatively stable if there is a large scale magnetic field threading
the disk at large radii. ii) Most of the RM is produced at small radii for
polar viewing angles while all radii contribute significantly near the midplane
of the disk. Our simulations confirm previous analytic arguments that the
accretion rate onto Sgr A* must satisfy $\dot M_{\rm in} \ll \dot M_{\rm Bondi}
\sim 10^{-5} \mpy$ in order to not over-produce the measured RM. We argue that
the steady RM $\approx -6 \times 10^5$ rad m$^{-2}$ from Sgr A* has two
plausible explanations: 1) it is produced at $\sim 100$ Schwarzschild radii,
requires $\dot{M}_{\rm in} \approx 3 \times 10^{-8} M_\odot$ yr$^{-1}$, and we
view the flow at an angle of $\sim 30^\circ$ relative to the rotation axis of
the disk; in our simulations, the variation in RM across a finite-sized source
is sufficient to depolarize the emission below $\approx$ 100 GHz, consistent
with observations. 2) Alternatively, the RM may be produced in the relatively
spherical inflowing plasma near the circularization radius at $\sim 10^3-10^4$
Schwarzschild radii.
|
astro-ph
|
these faraday rotation calculations of hot thick accretion flows are motivated by the measured steady rotation measure rm of approx 6 times 105 rad m2 from sgr a in our numerical simulations the quasisteady state structure of the accretion flow and the rm it produces depends on the initial magnetic field in spite of this dependence we can draw several robust conclusions about faraday rotation produced by geometrically thick accretion disks i the time averaged rm does not depend that sensitively on the viewing angle but the stability of the rm can equatorial viewing angles show significant variability in rm including sign reversals while polar viewing angles are relatively stable if there is a large scale magnetic field threading the disk at large radii ii most of the rm is produced at small radii for polar viewing angles while all radii contribute significantly near the midplane of the disk our simulations confirm previous analytic arguments that the accretion rate onto sgr a must satisfy dot m_rm in ll dot m_rm bondi sim 105 mpy in order to not overproduce the measured rm we argue that the steady rm approx 6 times 105 rad m2 from sgr a has two plausible explanations 1 it is produced at sim 100 schwarzschild radii requires dotm_rm in approx 3 times 108 m_odot yr1 and we view the flow at an angle of sim 30circ relative to the rotation axis of the disk in our simulations the variation in rm across a finitesized source is sufficient to depolarize the emission below approx 100 ghz consistent with observations 2 alternatively the rm may be produced in the relatively spherical inflowing plasma near the circularization radius at sim 103104 schwarzschild radii
|
[['these', 'faraday', 'rotation', 'calculations', 'of', 'hot', 'thick', 'accretion', 'flows', 'are', 'motivated', 'by', 'the', 'measured', 'steady', 'rotation', 'measure', 'rm', 'of', 'approx', '6', 'times', '105', 'rad', 'm2', 'from', 'sgr', 'a', 'in', 'our', 'numerical', 'simulations', 'the', 'quasisteady', 'state', 'structure', 'of', 'the', 'accretion', 'flow', 'and', 'the', 'rm', 'it', 'produces', 'depends', 'on', 'the', 'initial', 'magnetic', 'field', 'in', 'spite', 'of', 'this', 'dependence', 'we', 'can', 'draw', 'several', 'robust', 'conclusions', 'about', 'faraday', 'rotation', 'produced', 'by', 'geometrically', 'thick', 'accretion', 'disks', 'i', 'the', 'time', 'averaged', 'rm', 'does', 'not', 'depend', 'that', 'sensitively', 'on', 'the', 'viewing', 'angle', 'but', 'the', 'stability', 'of', 'the', 'rm', 'can', 'equatorial', 'viewing', 'angles', 'show', 'significant', 'variability', 'in', 'rm', 'including', 'sign', 'reversals', 'while', 'polar', 'viewing', 'angles', 'are', 'relatively', 'stable', 'if', 'there', 'is', 'a', 'large', 'scale', 'magnetic', 'field', 'threading', 'the', 'disk', 'at', 'large', 'radii', 'ii', 'most', 'of', 'the', 'rm', 'is', 'produced', 'at', 'small', 'radii', 'for', 'polar', 'viewing', 'angles', 'while', 'all', 'radii', 'contribute', 'significantly', 'near', 'the', 'midplane', 'of', 'the', 'disk', 'our', 'simulations', 'confirm', 'previous', 'analytic', 'arguments', 'that', 'the', 'accretion', 'rate', 'onto', 'sgr', 'a', 'must', 'satisfy', 'dot', 'm_rm', 'in', 'll', 'dot', 'm_rm', 'bondi', 'sim', '105', 'mpy', 'in', 'order', 'to', 'not', 'overproduce', 'the', 'measured', 'rm', 'we', 'argue', 'that', 'the', 'steady', 'rm', 'approx', '6', 'times', '105', 'rad', 'm2', 'from', 'sgr', 'a', 'has', 'two', 'plausible', 'explanations', '1', 'it', 'is', 'produced', 'at', 'sim', '100', 'schwarzschild', 'radii', 'requires', 'dotm_rm', 'in', 'approx', '3', 'times', '108', 'm_odot', 'yr1', 'and', 'we', 'view', 'the', 'flow', 'at', 'an', 'angle', 'of', 'sim', '30circ', 'relative', 'to', 'the', 'rotation', 'axis', 'of', 'the', 'disk', 'in', 'our', 'simulations', 'the', 'variation', 'in', 'rm', 'across', 'a', 'finitesized', 'source', 'is', 'sufficient', 'to', 'depolarize', 'the', 'emission', 'below', 'approx', '100', 'ghz', 'consistent', 'with', 'observations', '2', 'alternatively', 'the', 'rm', 'may', 'be', 'produced', 'in', 'the', 'relatively', 'spherical', 'inflowing', 'plasma', 'near', 'the', 'circularization', 'radius', 'at', 'sim', '103104', 'schwarzschild', 'radii']]
|
[-0.15543635659129687, 0.19089585307106896, 0.004127397282298287, 0.05971371417358504, -0.014124355159214579, -0.06961514698472661, -0.022680508419641778, 0.40382961136564405, -0.20512230534140927, -0.34293186793785907, 0.09852968469634324, -0.26586980652064085, 0.04300057112311446, 0.23828558725367208, -0.03167339237624104, -0.0364035961261629, 0.009598797820114963, -0.03974187934138274, -0.13444843748010513, -0.15312067548577135, 0.22285228176042438, 0.05735068245705637, 0.17358570522300795, 0.037537454066693156, 0.060189310352245846, -0.11711216918405959, 0.028220646473592226, -0.011544311706068545, -0.20922145577083348, -0.0006356888260482483, 0.1854703261805567, 0.0902239389858589, 0.18472032431446664, -0.3977811961716802, -0.14869603038352297, 0.04132437843642473, 0.17532558754516084, 0.0305800926346909, -0.03526140567371097, -0.2209144085498107, 0.11652066416072686, -0.19089049079724338, -0.1576970468540053, 0.04867604359472826, 0.10073669689287706, -0.02233918362484038, -0.26634442506699896, 0.16690809618473434, 0.05294926296711041, 0.07305088242850308, -0.06410933697237928, -0.08885736269941948, -0.08321634828667222, 0.026015958356470997, 0.09972883734284756, 0.14105674646578362, 0.23854881196289363, -0.0885191188197137, 0.0007629143352895765, 0.38514742104526817, -0.07871715518240949, -0.08848127299217953, 0.17354800086632424, -0.28339221195767067, -0.1023481576490334, 0.22106650221353383, 0.15676331858422843, 0.16060034878893006, -0.03434429668946828, 0.023747879236241356, -0.06639133579578106, 0.25190041889764475, 0.09674255528920134, -0.004753361747954303, 0.329134821626161, 0.09234840873691162, 0.03202404505097714, 0.026008879116155917, -0.22822015795161502, -0.06685755244607079, -0.27316935821829863, -0.061015925045505584, -0.1152043899859, 0.16496845328547863, -0.18050794350301017, -0.046959482417048386, 0.30030356369860156, 0.12318282486078933, 0.26977339328486394, 0.03746193924257889, 0.2884536310374527, 0.07809300698904799, 0.09424564282145043, 0.18200376022215212, 0.338656898145236, 0.16331057040542232, 0.0711780410689551, -0.23594767576359002, 0.053535025507788846, -0.024265769281273733]
|
706.3716
|
Lieb--Thirring bounds for complex Jacobi matrices
|
We obtain various versions of classical Lieb--Thirring bounds for one- and
multi-dimensional complex Jacobi matrices. Our method is based on Fan-Mirski
Lemma and seems to be fairly general.
|
math-ph math.MP math.SP
|
we obtain various versions of classical liebthirring bounds for one and multidimensional complex jacobi matrices our method is based on fanmirski lemma and seems to be fairly general
|
[['we', 'obtain', 'various', 'versions', 'of', 'classical', 'liebthirring', 'bounds', 'for', 'one', 'and', 'multidimensional', 'complex', 'jacobi', 'matrices', 'our', 'method', 'is', 'based', 'on', 'fanmirski', 'lemma', 'and', 'seems', 'to', 'be', 'fairly', 'general']]
|
[-0.05277927523409879, 0.005024351903961765, -0.1356273286251558, 0.17411962070899015, -0.12628888131843674, -0.19419252389559039, 0.01975653831053663, 0.325734986682181, -0.2496814726403466, -0.277115678983844, 0.1896018728794944, -0.20812901305207224, -0.18096190451264935, 0.3462046597290922, -0.11391246387803997, 0.07277004034430892, 0.06638635218971306, 0.01783079936824463, -0.11570146641935464, -0.2922480920398677, 0.36146673063437146, -0.0008565139853292041, 0.22848482747320775, 0.09269818222081219, 0.023570803718434438, 0.029641343660100742, -0.06397679533498983, -0.05670606165572449, -0.11351179279800919, 0.20473487675189972, 0.23300814366451017, 0.1225669462647703, 0.20921570431717015, -0.3978799077233783, -0.1412542030528938, 0.14972240891721514, 0.09913043408542527, 0.14730664697924145, -0.025325751988458687, -0.2779890751397168, 0.11576377697013042, -0.09508348851361209, -0.15865129725662647, -0.15499736113404786, -0.04730202602567496, 0.06381752528250217, -0.3602392819744569, 0.1109670042577717, 0.09357790379888481, -0.0005890171354015669, -0.04233180243452942, -0.16195249550165264, 0.10747905086329276, 0.048199890060695236, -0.00920301385189372, -0.031519376396856924, 0.0764256517264854, -0.01348554746558269, -0.13784383209767165, 0.38984570003770014, -0.05710269403816373, -0.302271762655841, 0.19981380332157844, -0.10542967236014428, -0.2223284016880724, 0.00798330416351005, 0.16917346066070926, 0.1793692296853772, -0.13729483503158446, 0.09145351817952124, -0.11414152163046377, 0.10524643640275355, 0.10335079235611139, 0.05995653596646325, 0.07305243647553855, 0.05464295156438042, 0.15176070315970314, 0.14283725077338102, -0.00870106894419425, -0.18113379228722165, -0.25192162504902593, -0.16502231690618727, -0.1734405088548859, 0.07747192746373238, -0.19527512103970232, -0.20584799255744587, 0.3783533960856773, 0.09933549776906148, 0.16219499334692955, 0.13725076577867623, 0.24455066449526283, 0.18308649790318063, 0.02829820704129007, 0.07322230764354269, 0.1716849006436489, 0.27548931780512687, 0.08213146684553337, -0.05782466442151754, 0.025819456842900428, 0.18204837871922386]
|
706.3717
|
Corrections to the generalized vector dominance due to diffractive rho_3
production
|
The idea of the vector dominance is still in use in various analyses of
experimental data of photon-hadron reactions. It makes sense, therefore, to
recast results of microscopic calculations of such reactions in this language.
Here we present the diffractive DIS $\rho_3$ production as a specific
correction to the generalized vector dominance. We perform a coupled channel
analysis of spin-orbital excitations in diffractive photoproduction and
reiterate the point that rho_3 in diffractive DIS will be sensitive to a novel
aspect of diffraction.
|
hep-ph hep-ex
|
the idea of the vector dominance is still in use in various analyses of experimental data of photonhadron reactions it makes sense therefore to recast results of microscopic calculations of such reactions in this language here we present the diffractive dis rho_3 production as a specific correction to the generalized vector dominance we perform a coupled channel analysis of spinorbital excitations in diffractive photoproduction and reiterate the point that rho_3 in diffractive dis will be sensitive to a novel aspect of diffraction
|
[['the', 'idea', 'of', 'the', 'vector', 'dominance', 'is', 'still', 'in', 'use', 'in', 'various', 'analyses', 'of', 'experimental', 'data', 'of', 'photonhadron', 'reactions', 'it', 'makes', 'sense', 'therefore', 'to', 'recast', 'results', 'of', 'microscopic', 'calculations', 'of', 'such', 'reactions', 'in', 'this', 'language', 'here', 'we', 'present', 'the', 'diffractive', 'dis', 'rho_3', 'production', 'as', 'a', 'specific', 'correction', 'to', 'the', 'generalized', 'vector', 'dominance', 'we', 'perform', 'a', 'coupled', 'channel', 'analysis', 'of', 'spinorbital', 'excitations', 'in', 'diffractive', 'photoproduction', 'and', 'reiterate', 'the', 'point', 'that', 'rho_3', 'in', 'diffractive', 'dis', 'will', 'be', 'sensitive', 'to', 'a', 'novel', 'aspect', 'of', 'diffraction']]
|
[-0.07853038565017192, 0.15532353929408668, -0.14673906088829403, 0.13801799555558983, -0.07983913236842831, -0.07834097634569355, 0.06671712090965451, 0.3578998529261387, -0.2630518899049337, -0.2069503573882507, -0.005696453473519352, -0.3124397383525786, -0.12780056532654094, 0.1307696720170675, 0.01761238867553269, 0.07371610171366029, 0.07216168225674731, 0.003609058248424312, -0.0229546577561783, -0.16455684895286474, 0.3645041740567582, 0.05418668769544172, 0.28369329671557175, 0.16907682755348705, 0.05902385507943109, 0.11013193632385171, -0.0480458793342511, -0.041101297795227386, -0.099067642890565, 0.11388994800281801, 0.3300909331386409, 0.10242731692042292, 0.14765144568845268, -0.4091017056574545, -0.1468127351027073, 0.062269905482691415, 0.15895464835850318, 0.12580055179125516, -0.06709750541826574, -0.2103147739033419, 0.07377807924910108, -0.20281181611665866, -0.12459476422745644, -0.1433182262599741, -0.021839424135822166, -0.0014826105282891814, -0.3129436791428683, 0.04979467771879238, 0.014957228675484657, 0.03532909054978873, -0.057718884912546634, -0.12012321421331386, -0.0032052126608039366, 0.04105778249185078, 0.05993083634068792, 0.0795036446950512, 0.1395131000828725, -0.17716938627474918, -0.16567565521321873, 0.40322692097141977, -0.03042130024603954, -0.19938655819732515, 0.14185073585093316, -0.1792969799873124, -0.19191638675586478, 0.11336259135590275, 0.225838868660858, 0.10633801196974407, -0.19502072083400335, 0.04323943023408036, -0.04379823075880001, 0.16454391315382078, 0.026223116065943387, 0.08463139748541502, 0.14037570977447236, 0.266666186962095, -0.06656043073616741, 0.08900151477996032, -0.14528429495148, -0.09740081642436363, -0.3700850987011885, -0.14883056260849825, -0.10931609417652575, 0.07050629723504777, -0.02427968943882705, -0.14547168266414323, 0.3199979211203754, 0.14493308154736198, 0.24496149948639115, -0.024535921740163936, 0.32324767349537736, 0.06682975763858227, 0.08267256970767205, -0.0036786283968334517, 0.29136766108298084, 0.17543222824475024, 0.13489996427215817, -0.2121699788187426, 0.05533889440887767, -0.005812326971464223]
|
706.3718
|
Four Generations and Higgs Physics
|
In the light of the LHC, we revisit the implications of a fourth generation
of chiral matter. We identify a specific ensemble of particle masses and
mixings that are in agreement with all current experimental bounds as well as
minimize the contributions to electroweak precision observables. Higgs masses
between 115-315 (115-750) GeV are allowed by electroweak precision data at the
68% and 95% CL. Within this parameter space, there are dramatic effects on
Higgs phenomenology: production rates are enhanced, weak-boson-fusion channels
are suppressed, angular distributions are modified, and Higgs pairs can we
observed. We also identify exotic signals, such as Higgs decay to same-sign
dileptons. Finally, we estimate the upper bound on the cutoff scale from vacuum
stability and triviality.
|
hep-ph
|
in the light of the lhc we revisit the implications of a fourth generation of chiral matter we identify a specific ensemble of particle masses and mixings that are in agreement with all current experimental bounds as well as minimize the contributions to electroweak precision observables higgs masses between 115315 115750 gev are allowed by electroweak precision data at the 68 and 95 cl within this parameter space there are dramatic effects on higgs phenomenology production rates are enhanced weakbosonfusion channels are suppressed angular distributions are modified and higgs pairs can we observed we also identify exotic signals such as higgs decay to samesign dileptons finally we estimate the upper bound on the cutoff scale from vacuum stability and triviality
|
[['in', 'the', 'light', 'of', 'the', 'lhc', 'we', 'revisit', 'the', 'implications', 'of', 'a', 'fourth', 'generation', 'of', 'chiral', 'matter', 'we', 'identify', 'a', 'specific', 'ensemble', 'of', 'particle', 'masses', 'and', 'mixings', 'that', 'are', 'in', 'agreement', 'with', 'all', 'current', 'experimental', 'bounds', 'as', 'well', 'as', 'minimize', 'the', 'contributions', 'to', 'electroweak', 'precision', 'observables', 'higgs', 'masses', 'between', '115315', '115750', 'gev', 'are', 'allowed', 'by', 'electroweak', 'precision', 'data', 'at', 'the', '68', 'and', '95', 'cl', 'within', 'this', 'parameter', 'space', 'there', 'are', 'dramatic', 'effects', 'on', 'higgs', 'phenomenology', 'production', 'rates', 'are', 'enhanced', 'weakbosonfusion', 'channels', 'are', 'suppressed', 'angular', 'distributions', 'are', 'modified', 'and', 'higgs', 'pairs', 'can', 'we', 'observed', 'we', 'also', 'identify', 'exotic', 'signals', 'such', 'as', 'higgs', 'decay', 'to', 'samesign', 'dileptons', 'finally', 'we', 'estimate', 'the', 'upper', 'bound', 'on', 'the', 'cutoff', 'scale', 'from', 'vacuum', 'stability', 'and', 'triviality']]
|
[-0.10273059203383364, 0.28083013396655376, -0.034545069107464944, 0.1946561079532957, -0.06663059104750511, -0.14034662259734793, 0.057795211985832505, 0.34443611621821474, -0.1841381921612916, -0.33922183391552013, 0.05813151251274247, -0.32552859745919704, 0.0008677471382152132, 0.17920100885862092, 0.028408280065079696, 0.10595796402434215, 0.05682713971199358, 0.00934084428536917, -0.06241803321725212, -0.25373739980849896, 0.2892487193888226, 0.06049698442142425, 0.20731574091903804, 0.12006573119599905, 0.035633836914574876, -0.04433064416105695, -0.016166777554958153, -0.08557401240158614, -0.17778742014257554, 0.06695194027050078, 0.17636092931830458, 0.07325539056078664, 0.11686504756280479, -0.31331641064221116, -0.12338021219934986, 0.17701658428286618, 0.1564442935759718, 0.12218189044628575, -0.07760019818156519, -0.32084621088540166, 0.10711824928386872, -0.18774241617559886, -0.07511555680128582, -0.09269341934441018, -0.05788011323003208, -0.05430968725239905, -0.32459945445332455, 0.1301987736362146, -0.07035831428825573, 0.012866541226502085, -0.03244441890689943, -0.19032268922486412, -0.08534612457127068, 0.020494029348512657, 0.13485110452508225, -0.006990003708687399, 0.18564910105451113, -0.18258728985205105, -0.18139613505077212, 0.37907406062419924, -0.13241896332885303, -0.14878996703852, 0.1573135831956791, -0.20200473110058478, -0.15724411370044872, 0.11281341523276407, 0.24351164948257828, 0.04941096494562274, -0.13552811719524135, 0.1394798460420409, -0.016927585749253005, 0.14971317041434443, 0.07871763647862655, 0.13356622182435166, 0.27446090778288973, 0.18013753793632784, 0.033702379585627246, 0.05188098260663262, -0.1081583657841973, -0.07828403899774831, -0.43624216871592414, -0.08701181599426185, -0.06614833529510324, 0.0169864654161443, -0.06773785343188245, -0.055920433600339256, 0.3723106407169096, 0.15291664713004138, 0.2937131062885668, 0.032852352833563164, 0.2843535609402451, 0.09025832642155442, 0.060775006471687, 0.029531244125937214, 0.3658575059830391, 0.14382147052747926, 0.08031375055052653, -0.2158071419455017, 0.0018524966210502537, 0.04709956214661483]
|
706.3719
|
Spectrum and thermal fluctuations of a microcavity polariton
Bose-Einstein condensate
|
The Hartree-Fock-Popov theory of interacting Bose particles is developed, for
modeling exciton-polaritons in semiconductor microcavities undergoing
Bose-Einstein condensation. A self-consistent treatment of the linear
exciton-photon coupling and of the exciton non-linearity provides a thermal
equilibrium description of the collective excitation spectrum, of the polariton
energy shifts and of the phase diagram. Quantitative predictions support recent
experimental findings.
|
cond-mat.mes-hall cond-mat.other
|
the hartreefockpopov theory of interacting bose particles is developed for modeling excitonpolaritons in semiconductor microcavities undergoing boseeinstein condensation a selfconsistent treatment of the linear excitonphoton coupling and of the exciton nonlinearity provides a thermal equilibrium description of the collective excitation spectrum of the polariton energy shifts and of the phase diagram quantitative predictions support recent experimental findings
|
[['the', 'hartreefockpopov', 'theory', 'of', 'interacting', 'bose', 'particles', 'is', 'developed', 'for', 'modeling', 'excitonpolaritons', 'in', 'semiconductor', 'microcavities', 'undergoing', 'boseeinstein', 'condensation', 'a', 'selfconsistent', 'treatment', 'of', 'the', 'linear', 'excitonphoton', 'coupling', 'and', 'of', 'the', 'exciton', 'nonlinearity', 'provides', 'a', 'thermal', 'equilibrium', 'description', 'of', 'the', 'collective', 'excitation', 'spectrum', 'of', 'the', 'polariton', 'energy', 'shifts', 'and', 'of', 'the', 'phase', 'diagram', 'quantitative', 'predictions', 'support', 'recent', 'experimental', 'findings']]
|
[-0.1758769113129299, 0.23902389603225807, -0.12876399138354158, 0.03039253379112077, -0.002712465561272805, -0.15163123364184508, 0.05521613470352206, 0.3573593461003743, -0.14299781237353096, -0.23087547260352917, -0.08192305651844659, -0.2937549697725396, -0.09991473042847294, 0.1599521535742832, 0.09873093154869582, 0.06782903346813104, 0.04414170006241061, -0.05952916565563595, 0.0034018415491006812, -0.14157976943738104, 0.2755282224450064, 0.04389860527589917, 0.35352801734156775, 0.13536306439588466, 0.04579492751508951, 0.01789967261924686, 0.07083041157181326, -0.04238019220269563, -0.20318878572760968, 0.10375135324960738, 0.2539227289196692, -0.04918859688271033, 0.2513041569638932, -0.4464070216278758, -0.2703123358650166, 0.04506087249242946, 0.18298863446678998, 0.21905017885984035, -0.11478975251839872, -0.30568393416245254, -0.11581199179942671, -0.1863714927800302, -0.1859604688851457, -0.09424597923562192, -0.009327503934241178, 0.019084557802048756, -0.2684899672146952, 0.12113851667463518, 0.09402723088778817, 0.08908776311497939, -0.14765571095376162, -0.027195382033568694, -0.04639570330057228, 0.022490848697264466, -0.05493315984494984, -0.012399749487246337, 0.18906535442689792, -0.19022349173431857, -0.11230060387108672, 0.39367896279222087, -0.1356257431764613, -0.08045012168913034, 0.1957712552036371, -0.14737098815997965, -0.011045852363550742, 0.19124250829611955, 0.12651562555019105, 0.06724515282794048, -0.12384190676701173, 0.07357830593256247, -0.048315965153865124, 0.17065167929895483, -0.001354335774585866, 0.13269420767921888, 0.28654308649793003, 0.2549506006272216, -0.06380483498306651, 0.139139627604827, -0.007826396452034251, -0.20234195064557225, -0.25296396169844165, -0.13047826666335918, -0.199054151283283, 0.04630467046477031, -0.05430495480367538, -0.20975209159874603, 0.42192141438850705, 0.10203571562050727, 0.13879794758139996, -0.004220703653501053, 0.28905941706085414, 0.17925410252064466, -0.033504335315930736, -0.05613334744907262, 0.3157423774041889, 0.25134618652232904, 0.10580728703031414, -0.3566570601654811, -0.039305145523445516, 0.04267135434457215]
|
706.372
|
How Can We Avert Dangerous Climate Change?
|
Recent analyses indicate that the amount of atmospheric CO2 required to cause
dangerous climate change is at most 450 ppm, and likely less than that.
Reductions of non-CO2 climate forcings can provide only moderate, albeit
important, adjustments to the CO2 limit. Realization of how close the planet is
to "tipping points" with unacceptable consequences, especially ice sheet
disintegration with sea level rise out of humanity's control, has a bright
side. It implies an imperative: we must find a way to keep the CO2 amount so
low that it will also avert other detrimental effects that had begun to seem
inevitable, e.g., ocean acidification, loss of most alpine glaciers and thus
the water supply for millions of people, and shifting of climatic zones with
consequent extermination of species. Here I outline from a scientific
perspective actions needed to achieve low limits on CO2 and global warming.
These changes are technically feasible and have ancillary benefits. Achievement
of needed changes requires overcoming the spurious argument that developed and
developing countries have equivalent responsibilities, as well as overcoming
special interests advocating minimalist or counterproductive actions such as
corn-based ethanol and liquid-fuel-from-coal programs.
|
physics.ao-ph
|
recent analyses indicate that the amount of atmospheric co2 required to cause dangerous climate change is at most 450 ppm and likely less than that reductions of nonco2 climate forcings can provide only moderate albeit important adjustments to the co2 limit realization of how close the planet is to tipping points with unacceptable consequences especially ice sheet disintegration with sea level rise out of humanitys control has a bright side it implies an imperative we must find a way to keep the co2 amount so low that it will also avert other detrimental effects that had begun to seem inevitable eg ocean acidification loss of most alpine glaciers and thus the water supply for millions of people and shifting of climatic zones with consequent extermination of species here i outline from a scientific perspective actions needed to achieve low limits on co2 and global warming these changes are technically feasible and have ancillary benefits achievement of needed changes requires overcoming the spurious argument that developed and developing countries have equivalent responsibilities as well as overcoming special interests advocating minimalist or counterproductive actions such as cornbased ethanol and liquidfuelfromcoal programs
|
[['recent', 'analyses', 'indicate', 'that', 'the', 'amount', 'of', 'atmospheric', 'co2', 'required', 'to', 'cause', 'dangerous', 'climate', 'change', 'is', 'at', 'most', '450', 'ppm', 'and', 'likely', 'less', 'than', 'that', 'reductions', 'of', 'nonco2', 'climate', 'forcings', 'can', 'provide', 'only', 'moderate', 'albeit', 'important', 'adjustments', 'to', 'the', 'co2', 'limit', 'realization', 'of', 'how', 'close', 'the', 'planet', 'is', 'to', 'tipping', 'points', 'with', 'unacceptable', 'consequences', 'especially', 'ice', 'sheet', 'disintegration', 'with', 'sea', 'level', 'rise', 'out', 'of', 'humanitys', 'control', 'has', 'a', 'bright', 'side', 'it', 'implies', 'an', 'imperative', 'we', 'must', 'find', 'a', 'way', 'to', 'keep', 'the', 'co2', 'amount', 'so', 'low', 'that', 'it', 'will', 'also', 'avert', 'other', 'detrimental', 'effects', 'that', 'had', 'begun', 'to', 'seem', 'inevitable', 'eg', 'ocean', 'acidification', 'loss', 'of', 'most', 'alpine', 'glaciers', 'and', 'thus', 'the', 'water', 'supply', 'for', 'millions', 'of', 'people', 'and', 'shifting', 'of', 'climatic', 'zones', 'with', 'consequent', 'extermination', 'of', 'species', 'here', 'i', 'outline', 'from', 'a', 'scientific', 'perspective', 'actions', 'needed', 'to', 'achieve', 'low', 'limits', 'on', 'co2', 'and', 'global', 'warming', 'these', 'changes', 'are', 'technically', 'feasible', 'and', 'have', 'ancillary', 'benefits', 'achievement', 'of', 'needed', 'changes', 'requires', 'overcoming', 'the', 'spurious', 'argument', 'that', 'developed', 'and', 'developing', 'countries', 'have', 'equivalent', 'responsibilities', 'as', 'well', 'as', 'overcoming', 'special', 'interests', 'advocating', 'minimalist', 'or', 'counterproductive', 'actions', 'such', 'as', 'cornbased', 'ethanol', 'and', 'liquidfuelfromcoal', 'programs']]
|
[-0.06987912983985971, 0.16457099034458814, -0.04235848396311741, 0.09385156549160947, -0.09711986532359308, -0.1292314231672601, 0.1269962962666476, 0.3404982861773287, -0.22379835761605282, -0.3536573605184015, 0.17113222027814168, -0.28980085097026786, -0.14544235502520728, 0.1784518546670222, -0.1386878681117417, 0.009719535311986063, 0.08627493316905473, -0.037544988975325294, 9.987736624237653e-05, -0.258825577609241, 0.23838095255321948, 0.1177859568590852, 0.2377104771726236, 0.10809924915634297, 0.08347456968370573, -0.0691623684959612, -0.040641552786267285, -0.013838133392100398, -0.08450970994910333, 0.10027455089281855, 0.3157233223923155, 0.14459875864731903, 0.31972916607518453, -0.49022597251963373, -0.23777730741185715, 0.11916538847109297, 0.09843448163537195, 0.10332825688292852, -0.019354734234386, -0.21296161066149236, 0.026571386727831655, -0.18775696763391228, -0.15893389731913024, -0.10763279602334307, 0.04398396747891565, -0.02260912234164976, -0.22997950097558567, 0.03558496201420329, 0.06246479716894494, 0.12184511746808484, -0.05142711298540235, -0.15965244611473503, -0.11183644288118828, 0.15310855191326825, 0.1053816079457819, 0.009703420898782693, 0.19516767040901892, -0.11191271903320543, -0.041559722674601535, 0.41768019275890816, -0.05423538706153694, -0.10952665649757191, 0.26211755558898725, -0.14061155502709585, -0.13639719391597996, 0.16442979111625636, 0.1452317809006451, 0.03634786877554615, -0.12182072533823148, -0.01874658166481232, 0.010793387205214115, 0.1740317190242176, 0.11904826965434728, 0.06580090966780444, 0.2876543430661833, 0.17133031188938264, 0.15048262049016115, 0.0728415399298978, -0.08395048165096071, -0.09326613028156193, -0.2299497450531989, -0.11943812563109237, -0.06573730897208727, 0.05430245141221865, -0.022424850670850482, -0.13853239296255884, 0.30981494865908815, 0.2028921537557491, 0.13947202303270634, -0.0027789482532220113, 0.2811725519245138, 0.0668408761512035, 0.10758854481265755, 0.05955425519747911, 0.23026072540244943, 0.042181797285337705, 0.12965218305109522, -0.19603814025459862, 0.17099656536168342, -0.03697467325947474]
|
706.3721
|
Stability Limits in Resonant Planetary Systems
|
The relationship between the boundaries for Hill and Lagrange stability in
orbital element space is modified in the case of resonantly interacting
planets. Hill stability requires the ordering of the planets to remain constant
while Lagrange stability also requires all planets to remain bound to the
central star. The Hill stability boundary is defined analytically, but no
equations exist to define the Lagrange boundary, so we perform numerical
experiments to estimate the location of this boundary. To explore the effect of
resonances, we consider orbital element space near the conditions in the HD
82943 and 55 Cnc systems. Previous studies have shown that, for non-resonant
systems, the two stability boundaries are nearly coincident. However the Hill
stability formula are not applicable to resonant systems, and our investigation
shows how the two boundaries diverge in the presence of a mean-motion
resonance, while confirming that the Hill and Lagrange boundaries are similar
otherwise. In resonance the region of stability is larger than the domain
defined by the analytic formula for Hill stability. We find that nearly all
known resonant interactions currently lie in this extra stable region, i.e.
where the orbits would be unstable according to the non-resonant Hill stability
formula. This result bears on the dynamical packing of planetary systems,
showing how quantifying planetary systems' dynamical interactions (such as
proximity to the Hill-stability boundary) provides new constraints on planet
formation models.
|
astro-ph
|
the relationship between the boundaries for hill and lagrange stability in orbital element space is modified in the case of resonantly interacting planets hill stability requires the ordering of the planets to remain constant while lagrange stability also requires all planets to remain bound to the central star the hill stability boundary is defined analytically but no equations exist to define the lagrange boundary so we perform numerical experiments to estimate the location of this boundary to explore the effect of resonances we consider orbital element space near the conditions in the hd 82943 and 55 cnc systems previous studies have shown that for nonresonant systems the two stability boundaries are nearly coincident however the hill stability formula are not applicable to resonant systems and our investigation shows how the two boundaries diverge in the presence of a meanmotion resonance while confirming that the hill and lagrange boundaries are similar otherwise in resonance the region of stability is larger than the domain defined by the analytic formula for hill stability we find that nearly all known resonant interactions currently lie in this extra stable region ie where the orbits would be unstable according to the nonresonant hill stability formula this result bears on the dynamical packing of planetary systems showing how quantifying planetary systems dynamical interactions such as proximity to the hillstability boundary provides new constraints on planet formation models
|
[['the', 'relationship', 'between', 'the', 'boundaries', 'for', 'hill', 'and', 'lagrange', 'stability', 'in', 'orbital', 'element', 'space', 'is', 'modified', 'in', 'the', 'case', 'of', 'resonantly', 'interacting', 'planets', 'hill', 'stability', 'requires', 'the', 'ordering', 'of', 'the', 'planets', 'to', 'remain', 'constant', 'while', 'lagrange', 'stability', 'also', 'requires', 'all', 'planets', 'to', 'remain', 'bound', 'to', 'the', 'central', 'star', 'the', 'hill', 'stability', 'boundary', 'is', 'defined', 'analytically', 'but', 'no', 'equations', 'exist', 'to', 'define', 'the', 'lagrange', 'boundary', 'so', 'we', 'perform', 'numerical', 'experiments', 'to', 'estimate', 'the', 'location', 'of', 'this', 'boundary', 'to', 'explore', 'the', 'effect', 'of', 'resonances', 'we', 'consider', 'orbital', 'element', 'space', 'near', 'the', 'conditions', 'in', 'the', 'hd', '82943', 'and', '55', 'cnc', 'systems', 'previous', 'studies', 'have', 'shown', 'that', 'for', 'nonresonant', 'systems', 'the', 'two', 'stability', 'boundaries', 'are', 'nearly', 'coincident', 'however', 'the', 'hill', 'stability', 'formula', 'are', 'not', 'applicable', 'to', 'resonant', 'systems', 'and', 'our', 'investigation', 'shows', 'how', 'the', 'two', 'boundaries', 'diverge', 'in', 'the', 'presence', 'of', 'a', 'meanmotion', 'resonance', 'while', 'confirming', 'that', 'the', 'hill', 'and', 'lagrange', 'boundaries', 'are', 'similar', 'otherwise', 'in', 'resonance', 'the', 'region', 'of', 'stability', 'is', 'larger', 'than', 'the', 'domain', 'defined', 'by', 'the', 'analytic', 'formula', 'for', 'hill', 'stability', 'we', 'find', 'that', 'nearly', 'all', 'known', 'resonant', 'interactions', 'currently', 'lie', 'in', 'this', 'extra', 'stable', 'region', 'ie', 'where', 'the', 'orbits', 'would', 'be', 'unstable', 'according', 'to', 'the', 'nonresonant', 'hill', 'stability', 'formula', 'this', 'result', 'bears', 'on', 'the', 'dynamical', 'packing', 'of', 'planetary', 'systems', 'showing', 'how', 'quantifying', 'planetary', 'systems', 'dynamical', 'interactions', 'such', 'as', 'proximity', 'to', 'the', 'hillstability', 'boundary', 'provides', 'new', 'constraints', 'on', 'planet', 'formation', 'models']]
|
[-0.20133053470332093, 0.10184981516744618, -0.08241844179726246, 0.07941439328715205, -0.0715875255520982, -0.11799156479031334, 0.05688387211007268, 0.29946603864917287, -0.21858377871306045, -0.2912746520915433, 0.13564411592264863, -0.2538857591718071, -0.14324014509304264, 0.17412132986254342, -0.06281222755711971, 0.07770267198945437, 0.07654320307420162, 0.021406283200106017, -0.05162769045640269, -0.2295756408823249, 0.3310210800992892, 0.046642269270049164, 0.14203349953598302, 0.04403535599071209, -0.0020946182573781066, -0.02430789350815441, 0.03272802699357271, -0.033819862699633434, -0.18810289011728498, 0.06922979997673437, 0.2188194533057907, 0.05647785226490511, 0.22970631605864544, -0.38658031736217113, -0.20708095166913193, 0.07544980568649329, 0.1936958650106807, 0.046964811697683254, -0.029481490088105404, -0.26488045602125804, 0.09768486858203845, -0.12381272293708247, -0.1867902827874312, -0.06196283000197424, 0.05502864524377915, 0.001431830328605745, -0.276029674731114, 0.08636855434856641, 0.10124130744573093, 0.0820119181404943, -0.15574683753631846, -0.10639220226920493, -0.07822660724733672, 0.10316100874308334, 0.030646616600862493, -0.04014347511262673, 0.14541909400292713, -0.06776127998777867, -0.05461546889830219, 0.3906836362120331, -0.06183256311981139, -0.21251759874512968, 0.27215315040059224, -0.21045964265991327, -0.0936081684882874, 0.12947095952442159, 0.14469352254401083, 0.1486846634070389, -0.14302856792979265, 0.07565801547050638, -0.023326662632272295, 0.15021203125867508, 0.11967834739277707, 0.02060274920304832, 0.27113096959200567, 0.13623859880127662, 0.12477947117295116, 0.11503457198395273, -0.10136429156460192, -0.17740832089203531, -0.2364596781442347, -0.13593931920831498, -0.13681625325597174, -0.04800530392569034, -0.06799611085924603, -0.17418491043917247, 0.33357020445653923, 0.15048979485316363, 0.20362880344138198, 0.020352638225354578, 0.2694603904140303, 0.12241943805559498, 0.07201579915582323, 0.07257315320185508, 0.3540669232181719, 0.13424001682812914, 0.0661634497648186, -0.28091872051008976, 0.0512547190685797, 0.06285324136463358]
|
706.3722
|
Measurement of Inclusive Jet Production in Deep-Inelastic Scattering at
High Q^2 and Determination of the Strong Coupling
|
Inclusive jet production is studied in neutral current deep-inelastic
positron-proton scattering at large four momentum transfer squared Q^2>150
GeV^2 with the H1 detector at HERA. Single and double differential inclusive
jet cross sections are measured as a function of Q^2 and of the transverse
energy E_T of the jets in the Breit frame. The measurements are found to be
well described by calculations at next-to-leading order in perturbative QCD.
The running of the strong coupling is demonstrated and the value of
alpha_s(M_Z) is determined. The ratio of the inclusive jet cross section to the
inclusive neutral current cross section is also measured and used to extract a
precise value for
alpha_s(M_Z)=0.1193+/-0.0014(exp.)^{+0.0047}_{-0.0030}(th.)+/-0.0016(pdf).
|
hep-ex
|
inclusive jet production is studied in neutral current deepinelastic positronproton scattering at large four momentum transfer squared q2150 gev2 with the h1 detector at hera single and double differential inclusive jet cross sections are measured as a function of q2 and of the transverse energy e_t of the jets in the breit frame the measurements are found to be well described by calculations at nexttoleading order in perturbative qcd the running of the strong coupling is demonstrated and the value of alpha_sm_z is determined the ratio of the inclusive jet cross section to the inclusive neutral current cross section is also measured and used to extract a precise value for alpha_sm_z0119300014exp00047_00030th00016pdf
|
[['inclusive', 'jet', 'production', 'is', 'studied', 'in', 'neutral', 'current', 'deepinelastic', 'positronproton', 'scattering', 'at', 'large', 'four', 'momentum', 'transfer', 'squared', 'q2150', 'gev2', 'with', 'the', 'h1', 'detector', 'at', 'hera', 'single', 'and', 'double', 'differential', 'inclusive', 'jet', 'cross', 'sections', 'are', 'measured', 'as', 'a', 'function', 'of', 'q2', 'and', 'of', 'the', 'transverse', 'energy', 'e_t', 'of', 'the', 'jets', 'in', 'the', 'breit', 'frame', 'the', 'measurements', 'are', 'found', 'to', 'be', 'well', 'described', 'by', 'calculations', 'at', 'nexttoleading', 'order', 'in', 'perturbative', 'qcd', 'the', 'running', 'of', 'the', 'strong', 'coupling', 'is', 'demonstrated', 'and', 'the', 'value', 'of', 'alpha_sm_z', 'is', 'determined', 'the', 'ratio', 'of', 'the', 'inclusive', 'jet', 'cross', 'section', 'to', 'the', 'inclusive', 'neutral', 'current', 'cross', 'section', 'is', 'also', 'measured', 'and', 'used', 'to', 'extract', 'a', 'precise', 'value', 'for', 'alpha_sm_z0119300014exp00047_00030th00016pdf']]
|
[-0.06255835107284162, 0.1470380803066041, -0.05534392682602629, 0.13148243537753684, 0.00335990439314361, -0.061938956712581934, -0.05372154945080433, 0.3657917306339795, -0.19648452147140827, -0.27876799878314, -0.04810291566189652, -0.37203923253974786, 0.10459756378699607, 0.16628048390389308, 0.12098924336322678, 0.16171966617021266, 0.08135321083555527, 0.01655850532985882, -0.062193595060924874, -0.1846548573673626, 0.32095796083433364, 0.10677477499094168, 0.23410672627799556, 0.2072645518074342, 0.11792125475140067, 0.08980192850266985, -0.09944639699010246, -0.004278769485925863, -0.15632036564136864, 0.0668734758323349, 0.2895341288069276, -0.0008844667105773173, 0.078918338980106, -0.31531604933082513, -0.026226088584084577, 0.03911229995412564, 0.1323152970684983, 0.06525270673318194, 0.006067471580853293, -0.23624285754807497, 0.08444171761154035, -0.24703767128852666, -0.10209829378616783, -0.06385992394350128, 0.007379109535468827, -0.014330547781439003, -0.33644175977198354, 0.10807233734174905, -0.10494874025494236, 0.011509992850241102, 0.0146270608721694, -0.19876527292397592, -0.08876500589721793, 0.03370619595153343, 0.13070640172980247, 0.1406607830452673, 0.22174368180129506, -0.20341592650206913, -0.18409247968533854, 0.3586963920537895, -0.05771327609679055, -0.16901577324601139, 0.060230378467384556, -0.2896034297225741, -0.08409937139421086, 0.19751625235508616, 0.24660563480040623, 0.10898016323976287, -0.1917576032900038, 0.10057603659055146, 0.003073084586804066, 0.16841935060294602, 0.10061809599160328, 0.02466742478208531, 0.1294717721965745, 0.20186498310681808, -0.06109498237011903, -0.006124295357298619, -0.163944639957621, -0.08447995188073554, -0.43780813084214654, -0.11110615989389838, -0.07334334626281207, 0.10415534056090844, -0.057385334099425055, -0.08655263731307393, 0.33324433041633955, 0.02917201953743576, 0.3529725580074645, 0.005540377930353541, 0.39536438834503157, 0.17492429794820555, 0.10221745321151177, 0.06832511837107189, 0.39509086273268823, 0.1976150303455326, 0.19798690718043288, -0.2174461178840437, 0.07615979978763456, 0.06116369538812326]
|
706.3723
|
Order-Invariant MSO is Stronger than Counting MSO in the Finite
|
We compare the expressiveness of two extensions of monadic second-order logic
(MSO) over the class of finite structures. The first, counting monadic
second-order logic (CMSO), extends MSO with first-order modulo-counting
quantifiers, allowing the expression of queries like ``the number of elements
in the structure is even''. The second extension allows the use of an
additional binary predicate, not contained in the signature of the queried
structure, that must be interpreted as an arbitrary linear order on its
universe, obtaining order-invariant MSO.
While it is straightforward that every CMSO formula can be translated into an
equivalent order-invariant MSO formula, the converse had not yet been settled.
Courcelle showed that for restricted classes of structures both order-invariant
MSO and CMSO are equally expressive, but conjectured that, in general,
order-invariant MSO is stronger than CMSO.
We affirm this conjecture by presenting a class of structures that is
order-invariantly definable in MSO but not definable in CMSO.
|
cs.LO
|
we compare the expressiveness of two extensions of monadic secondorder logic mso over the class of finite structures the first counting monadic secondorder logic cmso extends mso with firstorder modulocounting quantifiers allowing the expression of queries like the number of elements in the structure is even the second extension allows the use of an additional binary predicate not contained in the signature of the queried structure that must be interpreted as an arbitrary linear order on its universe obtaining orderinvariant mso while it is straightforward that every cmso formula can be translated into an equivalent orderinvariant mso formula the converse had not yet been settled courcelle showed that for restricted classes of structures both orderinvariant mso and cmso are equally expressive but conjectured that in general orderinvariant mso is stronger than cmso we affirm this conjecture by presenting a class of structures that is orderinvariantly definable in mso but not definable in cmso
|
[['we', 'compare', 'the', 'expressiveness', 'of', 'two', 'extensions', 'of', 'monadic', 'secondorder', 'logic', 'mso', 'over', 'the', 'class', 'of', 'finite', 'structures', 'the', 'first', 'counting', 'monadic', 'secondorder', 'logic', 'cmso', 'extends', 'mso', 'with', 'firstorder', 'modulocounting', 'quantifiers', 'allowing', 'the', 'expression', 'of', 'queries', 'like', 'the', 'number', 'of', 'elements', 'in', 'the', 'structure', 'is', 'even', 'the', 'second', 'extension', 'allows', 'the', 'use', 'of', 'an', 'additional', 'binary', 'predicate', 'not', 'contained', 'in', 'the', 'signature', 'of', 'the', 'queried', 'structure', 'that', 'must', 'be', 'interpreted', 'as', 'an', 'arbitrary', 'linear', 'order', 'on', 'its', 'universe', 'obtaining', 'orderinvariant', 'mso', 'while', 'it', 'is', 'straightforward', 'that', 'every', 'cmso', 'formula', 'can', 'be', 'translated', 'into', 'an', 'equivalent', 'orderinvariant', 'mso', 'formula', 'the', 'converse', 'had', 'not', 'yet', 'been', 'settled', 'courcelle', 'showed', 'that', 'for', 'restricted', 'classes', 'of', 'structures', 'both', 'orderinvariant', 'mso', 'and', 'cmso', 'are', 'equally', 'expressive', 'but', 'conjectured', 'that', 'in', 'general', 'orderinvariant', 'mso', 'is', 'stronger', 'than', 'cmso', 'we', 'affirm', 'this', 'conjecture', 'by', 'presenting', 'a', 'class', 'of', 'structures', 'that', 'is', 'orderinvariantly', 'definable', 'in', 'mso', 'but', 'not', 'definable', 'in', 'cmso']]
|
[-0.13538461173218247, 0.05217401975393219, -0.07728361090534906, 0.15321187347734322, -0.1640532911313992, -0.15887361421788992, 0.01769370382872263, 0.3558223938606189, -0.3182226156717853, -0.27074871456409855, 0.06739219811846085, -0.23672277466587394, -0.09078806656103361, 0.19740265885086142, -0.09804387535979531, 0.04194121063023646, -0.016810939092752768, 0.1307077190385347, -0.034167836777142885, -0.28769318346166983, 0.27990606817184016, -0.04971925748855268, 0.18305182780022733, 0.06897563699596121, 0.05403342118523525, 0.018239770173462795, 0.028450527329512528, 0.13739201674960846, -0.061758074636456606, 0.10512211716023127, 0.3375504347311921, 0.20692516462172775, 0.25956585474532884, -0.40234375691962715, -0.1494264270609404, 0.14934238516051615, 0.1182425925232421, 0.07197294271961589, 0.015621853424818255, -0.2764392707804769, 0.12314461495751809, -0.21647589130474157, -0.030698711358893075, -0.12489162095038123, 0.06733544204938594, 0.006895651023353965, -0.2172008442675609, 0.001104422866391312, 0.2963744406465833, 0.06706170169452794, -0.036356637779375124, -0.07296833608492498, -0.007549960209105752, 0.07673339236919817, -0.09462459362035397, 0.0202822778741584, 0.028202504090777916, -0.07031919766603478, -0.1775009036217326, 0.3816072353174126, -0.08337058703153544, -0.15465069762247272, 0.0912851256174403, -0.16717769403782623, -0.21606976838666014, 0.1430343117604743, 0.03040227943443154, 0.17420743122286358, -0.09083751650005549, 0.1664580921064235, -0.13154711692722662, 0.2852900931075534, 0.18943577523551589, 0.05568549309215374, 0.16847662905293923, 0.13068954051643805, 0.032833362356637065, 0.22110671293155879, 0.10901090672000703, -0.08021164145381925, -0.3119097122444624, -0.14420697445932187, -0.09298386662818589, -0.03779539286810368, -0.08770775631991885, -0.23582463508386067, 0.35213109502862944, 0.14130780120735595, 0.11885747902756282, 0.24425469374124842, 0.2775936128669663, 0.14766320557943177, 0.10561896398614504, 0.0680323136529248, 0.16383663873918858, 0.16419325202954688, 0.04654220117663499, -0.13120894227655586, 0.19827719229751414, 0.13703490975603927]
|
706.3724
|
Some Musings on Galaxy Morphology
|
Careful inspection of large-scale photographs of Shapley-Ames galaxies seems
to show a smooth transition between the morphological characteristics of
galaxies located on the narrow red, and on the broad blue, sequences in the
galaxian color-magnitude diagram. In other words there does not appear to be a
dichotomy between blue and red galaxies. Both the colors and the morphologies
of galaxies are found to correlate strongly with their environments. Red and
early-type Shapley-Ames galaxies are dominant in clusters, whereas blue
late-type star forming objects dominate the general field. Interestingly the
colors and morphologies of galaxies in small groups resemble the field and
differ from those in clusters. As noted by Baade the presence of dust and star
formation are very closely correlated, except in a few galaxies that probably
had unusual evolutionary histories. Over the entire range from S0 to Sc there
is no significant difference between the integrated colors of normal and barred
objects suggesting that the formation of a bar does not significantly affect
the stellar evolutionary history of a galaxy.
|
astro-ph
|
careful inspection of largescale photographs of shapleyames galaxies seems to show a smooth transition between the morphological characteristics of galaxies located on the narrow red and on the broad blue sequences in the galaxian colormagnitude diagram in other words there does not appear to be a dichotomy between blue and red galaxies both the colors and the morphologies of galaxies are found to correlate strongly with their environments red and earlytype shapleyames galaxies are dominant in clusters whereas blue latetype star forming objects dominate the general field interestingly the colors and morphologies of galaxies in small groups resemble the field and differ from those in clusters as noted by baade the presence of dust and star formation are very closely correlated except in a few galaxies that probably had unusual evolutionary histories over the entire range from s0 to sc there is no significant difference between the integrated colors of normal and barred objects suggesting that the formation of a bar does not significantly affect the stellar evolutionary history of a galaxy
|
[['careful', 'inspection', 'of', 'largescale', 'photographs', 'of', 'shapleyames', 'galaxies', 'seems', 'to', 'show', 'a', 'smooth', 'transition', 'between', 'the', 'morphological', 'characteristics', 'of', 'galaxies', 'located', 'on', 'the', 'narrow', 'red', 'and', 'on', 'the', 'broad', 'blue', 'sequences', 'in', 'the', 'galaxian', 'colormagnitude', 'diagram', 'in', 'other', 'words', 'there', 'does', 'not', 'appear', 'to', 'be', 'a', 'dichotomy', 'between', 'blue', 'and', 'red', 'galaxies', 'both', 'the', 'colors', 'and', 'the', 'morphologies', 'of', 'galaxies', 'are', 'found', 'to', 'correlate', 'strongly', 'with', 'their', 'environments', 'red', 'and', 'earlytype', 'shapleyames', 'galaxies', 'are', 'dominant', 'in', 'clusters', 'whereas', 'blue', 'latetype', 'star', 'forming', 'objects', 'dominate', 'the', 'general', 'field', 'interestingly', 'the', 'colors', 'and', 'morphologies', 'of', 'galaxies', 'in', 'small', 'groups', 'resemble', 'the', 'field', 'and', 'differ', 'from', 'those', 'in', 'clusters', 'as', 'noted', 'by', 'baade', 'the', 'presence', 'of', 'dust', 'and', 'star', 'formation', 'are', 'very', 'closely', 'correlated', 'except', 'in', 'a', 'few', 'galaxies', 'that', 'probably', 'had', 'unusual', 'evolutionary', 'histories', 'over', 'the', 'entire', 'range', 'from', 's0', 'to', 'sc', 'there', 'is', 'no', 'significant', 'difference', 'between', 'the', 'integrated', 'colors', 'of', 'normal', 'and', 'barred', 'objects', 'suggesting', 'that', 'the', 'formation', 'of', 'a', 'bar', 'does', 'not', 'significantly', 'affect', 'the', 'stellar', 'evolutionary', 'history', 'of', 'a', 'galaxy']]
|
[-0.05779801328622683, 0.10727563999095109, -0.11633401590344959, 0.11103707815988834, -0.10317527993614677, -0.04654177171069869, 0.04124786682443173, 0.4885306777432561, -0.10645452609047466, -0.3423497887344511, 0.005505781891474197, -0.2875151078356836, -0.09271822455826453, 0.17515375486305687, -0.08907109079341036, -0.13299270882812697, 0.05855158847915063, -0.07965707939204782, -0.035499690333381295, -0.2962342479786034, 0.30978646224938594, -0.04946685944505166, 0.19048988798005118, -0.08672834995614234, 0.005204018661589903, -0.09729443592030208, -0.09593553424184752, 0.012456803092581415, -0.13245742491402102, -0.011368734604370411, 0.27363472029588426, 0.1149303078120791, 0.21699645345743615, -0.3387902108410936, -0.1602550272743196, 0.12473435331742432, 0.23669946183271837, 0.040142614305084354, -0.11104210101333338, -0.2636825358874143, 0.10102168622840911, -0.09362070271907764, -0.12010783126928334, 0.11492097031238467, 0.06975864645683878, 0.0847111455825439, -0.18039247305484402, 0.1611548461572289, 0.05329864512219332, 0.10903543758823342, -0.08094811446688593, -0.1148038687350954, -0.13393435548167937, 0.13415505886511053, -0.01789271786976822, 0.07825536407776675, 0.18956993018100335, -0.19684366970951422, 0.00021998169236318318, 0.43873194927013975, -0.018269098069394266, 0.022798411786382974, 0.30809036734903794, -0.21507618314218382, -0.16232705959064755, 0.12252913674540672, 0.12011996516957879, 0.11603476213789436, -0.12326814913255878, -0.005778405363576725, -0.02249533010289333, 0.20830772777878528, 0.04492831093984721, 0.10033478485503258, 0.3336397912916741, 0.059178687759328545, 0.025767135412194008, 0.08376239888812687, -0.13018025029829683, -0.08691899089256389, -0.20194244805789757, -0.06349207379931021, -0.11339946648614957, 0.048543084865107014, -0.14237215044450685, -0.1876995849144255, 0.35317909885414467, 0.054147361655892845, 0.2623867787269139, 0.05555737133376127, 0.25050273696014785, 0.04273572054808028, 0.18403410864655514, 0.09986753163177, 0.27687395995937636, 0.16146820960674696, 0.05635156188644794, -0.2669388757555659, 0.09712502703802973, -0.0396408041814602]
|
706.3725
|
Weyl modules and opers without monodromy
|
We prove that the algebra of endomorphisms of a Weyl module of critical level
is isomorphic to the algebra of functions on the space of monodromy-free opers
on the disc with regular singularity and residue determined by the highest
weight of the Weyl module. This result may be used to test the local geometric
Langlands correspondence proposed in our earlier work arXiv:math/0508382.
|
math.QA math.AG math.RT
|
we prove that the algebra of endomorphisms of a weyl module of critical level is isomorphic to the algebra of functions on the space of monodromyfree opers on the disc with regular singularity and residue determined by the highest weight of the weyl module this result may be used to test the local geometric langlands correspondence proposed in our earlier work arxivmath0508382
|
[['we', 'prove', 'that', 'the', 'algebra', 'of', 'endomorphisms', 'of', 'a', 'weyl', 'module', 'of', 'critical', 'level', 'is', 'isomorphic', 'to', 'the', 'algebra', 'of', 'functions', 'on', 'the', 'space', 'of', 'monodromyfree', 'opers', 'on', 'the', 'disc', 'with', 'regular', 'singularity', 'and', 'residue', 'determined', 'by', 'the', 'highest', 'weight', 'of', 'the', 'weyl', 'module', 'this', 'result', 'may', 'be', 'used', 'to', 'test', 'the', 'local', 'geometric', 'langlands', 'correspondence', 'proposed', 'in', 'our', 'earlier', 'work', 'arxivmath0508382']]
|
[-0.16541780630547193, 0.02182842678420486, -0.13498514100548722, 0.022213322978894858, -0.11060690723599927, -0.10992018646380354, -0.010141108322122524, 0.29144784189280004, -0.336223631428795, -0.20978741741348658, 0.08020600666584927, -0.20075963180692447, -0.1681431214956026, 0.18394254202083235, -0.12745495283255173, 0.019377538724051367, 0.045821000600323805, 0.12239285619298537, -0.10915750722145481, -0.3192912318533467, 0.4467963693933862, 0.09454014883827298, 0.2428718465530584, 0.030204477229891644, 0.10903525042663058, 0.029996538662441796, -0.007870307319887703, -0.030246961374124963, -0.16000890476132026, 0.14384702771841998, 0.2903503105344792, 0.07019861307250516, 0.1911046908766542, -0.37410221765598944, -0.12261283313179569, 0.14324460319063115, 0.13239534401274736, -4.711580432711109e-05, -0.0012740900912772744, -0.2854717290742443, 0.1407633546980158, -0.19664424838077638, -0.13017744562708802, -0.04368111181763872, 0.006505073671559653, -0.026008800333065372, -0.22286299033646262, 0.016417693001248183, 0.08886129544642303, 0.13228634629218328, -0.13310631309756107, -0.06447376221448424, -0.1048610650731491, 0.07702149636292409, -0.022971634441355783, 0.08603566838663086, 0.13299178947213916, -0.1090816207973647, -0.13658911177528002, 0.3322082771619241, -0.03503644063828453, -0.18606631628814108, 0.160347459507325, -0.21988671241260524, -0.14179560270220523, 0.07800888032802651, 0.06311701913364232, 0.12853664039604126, -0.009750343153193113, 0.16069588810111576, -0.12755290612638479, 0.037544565673376766, 0.06767787791848663, -0.016547159479570486, 0.17884564958512783, 0.06424257793884364, 0.0524722890920877, 0.14070915137680487, 0.003629194850462579, -0.027183717725077463, -0.3629064538906659, -0.2132633511848267, -0.18191218526372988, 0.06268754699117234, -0.1044079275994708, -0.16730400660045205, 0.47094449418176326, 0.12999977480297187, 0.2254182982245355, 0.07924466890718547, 0.19528473153590195, 0.10683436782827842, 0.1576781798484585, 0.02427739024372591, 0.20075226064317017, 0.1854996759361858, -0.005699742480271285, -0.1919044520961301, 0.0027562529585632165, 0.2146973518143979]
|
706.3726
|
Reversible stochastic pump currents in interacting nanoscale conductors
|
I argue that the geometric phase, responsible for reversible pump currents in
classical stochastic kinetics, can be observed experimentally with an
electronic setup, similar to the ones reported recently in [Phys. Rev. Lett.
96,076605 (2006)] and [Nature Physics 3, 243 - 247 (2007)].
|
cond-mat.mes-hall cond-mat.stat-mech
|
i argue that the geometric phase responsible for reversible pump currents in classical stochastic kinetics can be observed experimentally with an electronic setup similar to the ones reported recently in phys rev lett 96076605 2006 and nature physics 3 243 247 2007
|
[['i', 'argue', 'that', 'the', 'geometric', 'phase', 'responsible', 'for', 'reversible', 'pump', 'currents', 'in', 'classical', 'stochastic', 'kinetics', 'can', 'be', 'observed', 'experimentally', 'with', 'an', 'electronic', 'setup', 'similar', 'to', 'the', 'ones', 'reported', 'recently', 'in', 'phys', 'rev', 'lett', '96076605', '2006', 'and', 'nature', 'physics', '3', '243', '247', '2007']]
|
[-0.05050302554694254, 0.17691433264216602, -0.04492229055158976, -0.0663902141471825, -0.04870831939141925, -0.13978643111157707, 0.0775210167133681, 0.3566728576154607, -0.1634511938687732, -0.3728713594013598, -0.06642507723952848, -0.21952199834830513, -0.23770338601273736, 0.22352171055518272, -0.13367798863115107, 0.03729101247722056, -0.03463918779317925, -0.1246645804948923, -0.027518574574326233, -0.2493959539910642, 0.06383397021308178, 0.10781196423056649, 0.3417763037652504, 0.04792209624642188, 0.042403744647233954, 0.001967001899440841, 0.005455009321250566, -0.025293172200823704, -0.19851079445262013, -0.035139657398004356, 0.2292008888339851, -0.008855426229718254, 0.16274447596018635, -0.44712918560679366, -0.24861270123411242, 0.1306172586614039, 0.012933932894289993, 0.15478316301525366, -0.00931919409280143, -0.37248575582918597, 0.02427167232466362, -0.18606471455451556, -0.12513323308809138, -0.1293850709547902, 0.19119853839823386, -0.02545734560798581, -0.2542444918213821, 0.19678634704124728, 0.08042926237373273, 0.06980958976214979, 0.01192195506811869, -0.10850222143003853, -0.0377377753668442, -0.06536030860208883, -0.07514697603211261, 0.07974240981133246, 0.1147298577536897, -0.010275298082156152, -0.23297060340097764, 0.346320021323996, -0.0028240550763723327, -0.08288406266081261, 0.2585551713979462, -0.14011733166918885, -0.15741712493231383, 0.15903029718050143, 0.1225570207064199, 0.09398807848735553, -0.24524129084425, 0.09572352810688999, -0.060162914189987066, 0.16273567448483733, 0.08306164568199254, 0.05395510044266901, 0.16439444244634815, 0.07830153941744711, -0.08711230900229477, 0.07537591264003933, -0.10279742391530151, -0.15531087276048777, -0.27226058866192654, -0.15484369185003566, -0.17156769680540737, 0.11787802624947778, 0.04716170417952703, -0.032379918229175596, 0.38744291481448384, 0.17532277101985883, 0.2315967666757543, -0.09773452169966043, 0.13557583184503927, 0.10110059494107235, -0.03498817784938871, 0.19563848609331905, 0.327216632473964, 0.17273073591201044, 0.17745918596572266, -0.2264021040826309, 0.026514332537062285, 0.04169292569092316]
|
706.3727
|
Bipairing and the Stripe Phase in 4-Leg Ladders
|
Density Matrix Renormalization Group (DMRG) calculations on 4-leg t-J and
Hubbard ladders have found a phase exhibiting "stripes" at intermediate doping.
Such behavior can be viewed as generalized Friedel oscillations, with
wavelength equal to the inverse hole density, induced by the open boundary
conditions. So far, this phase has not been understood using the conventional
weak coupling bosonization approach. Based on studies from a general
bosonization proof, finite size spectrum, an improved analysis of weak coupling
renormalization group equations and the decoupled 2-leg ladders limit, we here
find new types of phases of 4-leg ladders which exhibit "stripes". They also
inevitably exhibit "bipairing", meaning that there is a gap to add 1 or 2
electrons (but not 4) and that both single electron and electron pair
correlation functions decay exponentially while correlation functions of charge
4 operators exhibit power-law decay. Whether or not bipairing occurs in the
stripe phase found in DMRG is an important open question.
|
cond-mat.supr-con cond-mat.str-el
|
density matrix renormalization group dmrg calculations on 4leg tj and hubbard ladders have found a phase exhibiting stripes at intermediate doping such behavior can be viewed as generalized friedel oscillations with wavelength equal to the inverse hole density induced by the open boundary conditions so far this phase has not been understood using the conventional weak coupling bosonization approach based on studies from a general bosonization proof finite size spectrum an improved analysis of weak coupling renormalization group equations and the decoupled 2leg ladders limit we here find new types of phases of 4leg ladders which exhibit stripes they also inevitably exhibit bipairing meaning that there is a gap to add 1 or 2 electrons but not 4 and that both single electron and electron pair correlation functions decay exponentially while correlation functions of charge 4 operators exhibit powerlaw decay whether or not bipairing occurs in the stripe phase found in dmrg is an important open question
|
[['density', 'matrix', 'renormalization', 'group', 'dmrg', 'calculations', 'on', '4leg', 'tj', 'and', 'hubbard', 'ladders', 'have', 'found', 'a', 'phase', 'exhibiting', 'stripes', 'at', 'intermediate', 'doping', 'such', 'behavior', 'can', 'be', 'viewed', 'as', 'generalized', 'friedel', 'oscillations', 'with', 'wavelength', 'equal', 'to', 'the', 'inverse', 'hole', 'density', 'induced', 'by', 'the', 'open', 'boundary', 'conditions', 'so', 'far', 'this', 'phase', 'has', 'not', 'been', 'understood', 'using', 'the', 'conventional', 'weak', 'coupling', 'bosonization', 'approach', 'based', 'on', 'studies', 'from', 'a', 'general', 'bosonization', 'proof', 'finite', 'size', 'spectrum', 'an', 'improved', 'analysis', 'of', 'weak', 'coupling', 'renormalization', 'group', 'equations', 'and', 'the', 'decoupled', '2leg', 'ladders', 'limit', 'we', 'here', 'find', 'new', 'types', 'of', 'phases', 'of', '4leg', 'ladders', 'which', 'exhibit', 'stripes', 'they', 'also', 'inevitably', 'exhibit', 'bipairing', 'meaning', 'that', 'there', 'is', 'a', 'gap', 'to', 'add', '1', 'or', '2', 'electrons', 'but', 'not', '4', 'and', 'that', 'both', 'single', 'electron', 'and', 'electron', 'pair', 'correlation', 'functions', 'decay', 'exponentially', 'while', 'correlation', 'functions', 'of', 'charge', '4', 'operators', 'exhibit', 'powerlaw', 'decay', 'whether', 'or', 'not', 'bipairing', 'occurs', 'in', 'the', 'stripe', 'phase', 'found', 'in', 'dmrg', 'is', 'an', 'important', 'open', 'question']]
|
[-0.15708462061630862, 0.22631602081744331, -0.07968123742349205, 0.11517467739195714, -0.022765126878455763, -0.20922396978243224, 0.05956604153278374, 0.3889210852824392, -0.2484130246925258, -0.25556264734496514, 0.07811327829446284, -0.31659170108576934, -0.12738384811447995, 0.12880114595144762, 0.069670369623289, -0.00727173978042218, 0.007186928097414033, -0.015638416494813658, -0.154060893644759, -0.2035669914717155, 0.2926695448601799, -0.010655142270749615, 0.29393708228674387, 0.10488025257664342, 0.02162816450901089, 0.024636991790706112, 0.04564484378262874, 0.051279059114805875, -0.1369987930710082, -0.016003527415675983, 0.2490683993489872, -0.03777758000388501, 0.19388930782555572, -0.4314127989113331, -0.20074691536926453, 0.048259847370847576, 0.24948060057696797, 0.12421784551679006, -0.0751383319932727, -0.28504881313401126, 0.0246117997794382, -0.2087379992038252, -0.14602649362547504, -0.09147134364222086, 0.005658131495358483, -0.024329052371678934, -0.24255837524129498, 0.12633795015825589, 0.05417181552057305, 0.06741253635353191, -0.02706481849083737, -0.1098772005050353, -0.03366710675519801, 0.08755738291769258, 0.06040766830556095, 0.05841247708716941, 0.11464491477837005, -0.10125785381232778, -0.10619057433664679, 0.3124286058088464, -0.060321620286953065, -0.17768849835640962, 0.1934007805561827, -0.1720955764289923, -0.1139774869015861, 0.1512038594412227, 0.061051398097920505, 0.07646661535386116, -0.11838185718102802, 0.12679709137507503, -0.05562501807261499, 0.22891150896978235, 0.03722746988097506, 0.0793701077890282, 0.20366965794274883, 0.12942779990694214, 0.07999576834451047, 0.09407298140933797, -0.06126327727876243, -0.07996480419871307, -0.23716842345893382, -0.08463081594166015, -0.1966918139538217, 0.09006214438770492, -0.06513926896319214, -0.23369350459787153, 0.38437211518326114, 0.1125455574515546, 0.1752414988879595, -0.009775231618644489, 0.19324884658619282, 0.1563091651228587, 0.09354401006693802, 0.0720858582505776, 0.2269920567726536, 0.14818424638510952, 0.054664200125262144, -0.25800489808522886, 0.008524539825532796, 0.10737077196639391]
|
706.3728
|
Superconductivity in hcp Sc under pressure - linear response results and
comparison with hcp Fe
|
This paper has been withdrawn due to some errors in the reported discussion,
and needs a thorough revision
|
cond-mat.supr-con
|
this paper has been withdrawn due to some errors in the reported discussion and needs a thorough revision
|
[['this', 'paper', 'has', 'been', 'withdrawn', 'due', 'to', 'some', 'errors', 'in', 'the', 'reported', 'discussion', 'and', 'needs', 'a', 'thorough', 'revision']]
|
[-0.11407952196896076, -0.020469801034778357, -0.08719641767028305, 0.006913102354802605, -0.19375418695724672, -0.0699002492086341, 0.0986712752492167, 0.36670032640298206, -0.1801710766222742, -0.3624929469078779, 0.14966751223093727, -0.3135738737053341, -0.12407112111234003, 0.09956101100477907, -0.29649179009720683, 0.13960856075088182, 0.1042715318294035, -0.033225846062931746, -0.1096491468552914, -0.29811057404408026, 0.26080846455362106, 0.15540199835474292, 0.23482105053133434, 0.20730128563526604, -0.04636024564711584, -0.060667330011104546, -0.17673207110621864, 0.00946089294221666, -0.1782302729681962, 0.07471102804669903, 0.22095464987473357, 0.07499645944012122, 0.46384460147884155, -0.41861967121561366, -0.2524007678342362, 0.1450093812826607, 0.20199677016999987, 0.1807360201039248, -0.13589126125185025, -0.3152063325849465, 0.1228826444906493, -0.28578160278913045, -0.11215116683807638, -0.04080307354322738, 0.09455556080987056, -0.11486786609101626, -0.12761514235494864, -0.01784553611651063, 0.16867377350313795, 0.17031687560180822, 0.03989194054156542, -0.20103819153478575, 0.11436492407746199, 0.11582213567776813, 0.1886035882246991, 0.10657110067808793, 0.03148113232519892, -0.013537049073622458, -0.07741931999205715, 0.4478183471494251, 0.08588931161082453, -0.21168964128527376, 0.13586419303384092, -0.09185907183887644, -0.19173432576159635, 0.12683663416020055, 0.15173063597952327, 0.01587161051833795, -0.27607068196973866, 0.10635760027798824, 0.022009881420267954, 0.1865955133818918, 0.0762061662454572, 0.007379444231951816, 0.1552320887438125, 0.1962885114674767, -0.026638126725123987, 0.14463914677293765, -0.02667340377552642, -0.07081713072127765, -0.28624010272324085, -0.1577525014678637, -0.10358465918236309, 0.050879738526418805, 0.18137160911202146, -0.12030629622232583, 0.41438528895378113, 0.23861144586569732, 0.16717669021131265, -0.06803665434320767, 0.29802348878648544, 0.10350571691136186, 0.0759978565490908, -0.014834775097875131, 0.3220901922662354, 0.13868640946586513, 0.2004785407334566, -0.08970653291584717, 0.2198697753354079, 0.018425350439631276]
|
706.3729
|
Combinatorial and hybrid principles for sigma-directed families of
countable sets modulo finite
|
We consider strong combinatorial principles for sigma-directed families of
countable sets in the ordering by inclusion modulo finite, e.g. P-ideals of
countable sets. We try for principles as strong as possible while remaining
compatible with CH, and we also consider principles compatible with the
existence of nonspecial Aronszajn trees. The main thrust is towards abstract
principles with game theoretic formulations. Some of these principles are
purely combinatorial, while the ultimate principles are primarily combinatorial
but also have aspects of forcing axioms.
|
math.LO
|
we consider strong combinatorial principles for sigmadirected families of countable sets in the ordering by inclusion modulo finite eg pideals of countable sets we try for principles as strong as possible while remaining compatible with ch and we also consider principles compatible with the existence of nonspecial aronszajn trees the main thrust is towards abstract principles with game theoretic formulations some of these principles are purely combinatorial while the ultimate principles are primarily combinatorial but also have aspects of forcing axioms
|
[['we', 'consider', 'strong', 'combinatorial', 'principles', 'for', 'sigmadirected', 'families', 'of', 'countable', 'sets', 'in', 'the', 'ordering', 'by', 'inclusion', 'modulo', 'finite', 'eg', 'pideals', 'of', 'countable', 'sets', 'we', 'try', 'for', 'principles', 'as', 'strong', 'as', 'possible', 'while', 'remaining', 'compatible', 'with', 'ch', 'and', 'we', 'also', 'consider', 'principles', 'compatible', 'with', 'the', 'existence', 'of', 'nonspecial', 'aronszajn', 'trees', 'the', 'main', 'thrust', 'is', 'towards', 'abstract', 'principles', 'with', 'game', 'theoretic', 'formulations', 'some', 'of', 'these', 'principles', 'are', 'purely', 'combinatorial', 'while', 'the', 'ultimate', 'principles', 'are', 'primarily', 'combinatorial', 'but', 'also', 'have', 'aspects', 'of', 'forcing', 'axioms']]
|
[-0.11947842697428976, 0.12742500647005658, -0.04677797120961326, 0.11189782146485178, -0.14520167382319032, -0.12075180255658464, 0.09317844560194508, 0.36690372969081375, -0.3366242324312528, -0.2783321808034807, 0.11436317415396327, -0.26815430332481127, -0.11840302945024127, 0.1604572138361012, -0.11085230034961883, 0.04678941131741912, 0.04646635285498184, 0.04620688308582262, -0.019561334839827284, -0.19722118984942358, 0.43857072958331783, -0.022960113763901186, 0.2168830489354599, 0.047123213298618793, 0.11877974766640016, -0.0023171527276712434, -0.02309327394655549, 0.08741378920428731, -0.1944844181890841, 0.13777698429853277, 0.28354886634114346, 0.17483644083395233, 0.23901792645546388, -0.4451967068246485, -0.16264157930825962, 0.09013140222839551, 0.0361318920390827, 0.08581872388467561, -0.01618384058230821, -0.21272609985353033, 0.14442235400992226, -0.12008345850892825, -0.1472130110429853, -0.09076749238352302, 0.026409163386963398, 0.0763091723891665, -0.20304532937797498, -0.0025349434552840704, 0.15673795106165386, 0.13523958571669129, -0.061206800768289854, -0.19807846200318985, -0.011987184674513561, 0.08488151488572727, 0.0452686532308566, -0.04049477137030206, 0.04816972750618502, -0.049168245763414435, -0.21843855647243743, 0.4336348976250048, 0.007337330553082772, -0.1665859623455707, 0.21276358492028566, -0.09040912866799368, -0.27862273736132515, 0.08231594869981945, 0.07512372599937665, 0.10531995296880695, -0.1125462885003215, 0.13198464287855996, -0.0880152913224366, 0.09008968505364509, 0.09555056291045966, 0.10242762054420179, 0.17578660632357185, 0.12479260433925154, 0.0990554634395435, 0.1459908834486096, 0.06678879320374287, -0.12815286038388832, -0.3728129677704455, -0.09342314880111335, -0.10098336110420433, 0.06496198771716911, -0.10305845024000226, -0.1690770838478649, 0.3165375293465331, 0.10645213562357067, 0.09034120747647076, 0.1434470472431937, 0.26659908345728006, 0.08700087744409195, 0.030571033551507157, 0.012513666775905423, 0.21201157268247406, 0.18765455841109802, 0.0269397083543425, -0.10831198252070649, 0.0777799005089845, 0.1412230765355038]
|
706.373
|
Narrowing Constraints with Type Ia Supernovae: Converging on a
Cosmological Constant
|
We apply a parameterization-independent approach to fitting the dark energy
equation-of-state (EOS). Utilizing the latest type Ia supernova data, combined
with results from the cosmic microwave background and baryon acoustic
oscillations, we find that the dark energy is consistent with a cosmological
constant. We establish independent estimates of the evolution of the dark
energy EOS by diagonalizing the covariance matrix. We find three independent
constraints, which taken together imply that the equation of state is more
negative than -0.2 at the 68% confidence level in the redshift range 0<z<1.8,
independent of the flat universe assumption. Our estimates argue against
previous claims of dark energy ``metamorphosis,'' where the EOS was found to be
strongly varying at low redshifts. Our results are inconsistent with extreme
models of dynamical dark energy, both in the form of ``freezing'' models where
the dark energy EOS begins with a value greater than -0.2 at z > 1.2 and rolls
to a value of -1 today, and ``thawing'' models where the EOS is near -1 at high
redshifts, but rapidly evolves to values greater than -0.85 at z < 0.2.
Finally, we propose a parameterization-independent figure-of-merit, to help
assess the ability of future surveys to constrain dark energy. While previous
figures-of-merit presume specific dark energy parameterizations, we suggest a
binning approach to evaluate dark energy constraints with a minimum number of
assumptions.
|
astro-ph gr-qc hep-th
|
we apply a parameterizationindependent approach to fitting the dark energy equationofstate eos utilizing the latest type ia supernova data combined with results from the cosmic microwave background and baryon acoustic oscillations we find that the dark energy is consistent with a cosmological constant we establish independent estimates of the evolution of the dark energy eos by diagonalizing the covariance matrix we find three independent constraints which taken together imply that the equation of state is more negative than 02 at the 68 confidence level in the redshift range 0z18 independent of the flat universe assumption our estimates argue against previous claims of dark energy metamorphosis where the eos was found to be strongly varying at low redshifts our results are inconsistent with extreme models of dynamical dark energy both in the form of freezing models where the dark energy eos begins with a value greater than 02 at z 12 and rolls to a value of 1 today and thawing models where the eos is near 1 at high redshifts but rapidly evolves to values greater than 085 at z 02 finally we propose a parameterizationindependent figureofmerit to help assess the ability of future surveys to constrain dark energy while previous figuresofmerit presume specific dark energy parameterizations we suggest a binning approach to evaluate dark energy constraints with a minimum number of assumptions
|
[['we', 'apply', 'a', 'parameterizationindependent', 'approach', 'to', 'fitting', 'the', 'dark', 'energy', 'equationofstate', 'eos', 'utilizing', 'the', 'latest', 'type', 'ia', 'supernova', 'data', 'combined', 'with', 'results', 'from', 'the', 'cosmic', 'microwave', 'background', 'and', 'baryon', 'acoustic', 'oscillations', 'we', 'find', 'that', 'the', 'dark', 'energy', 'is', 'consistent', 'with', 'a', 'cosmological', 'constant', 'we', 'establish', 'independent', 'estimates', 'of', 'the', 'evolution', 'of', 'the', 'dark', 'energy', 'eos', 'by', 'diagonalizing', 'the', 'covariance', 'matrix', 'we', 'find', 'three', 'independent', 'constraints', 'which', 'taken', 'together', 'imply', 'that', 'the', 'equation', 'of', 'state', 'is', 'more', 'negative', 'than', '02', 'at', 'the', '68', 'confidence', 'level', 'in', 'the', 'redshift', 'range', '0z18', 'independent', 'of', 'the', 'flat', 'universe', 'assumption', 'our', 'estimates', 'argue', 'against', 'previous', 'claims', 'of', 'dark', 'energy', 'metamorphosis', 'where', 'the', 'eos', 'was', 'found', 'to', 'be', 'strongly', 'varying', 'at', 'low', 'redshifts', 'our', 'results', 'are', 'inconsistent', 'with', 'extreme', 'models', 'of', 'dynamical', 'dark', 'energy', 'both', 'in', 'the', 'form', 'of', 'freezing', 'models', 'where', 'the', 'dark', 'energy', 'eos', 'begins', 'with', 'a', 'value', 'greater', 'than', '02', 'at', 'z', '12', 'and', 'rolls', 'to', 'a', 'value', 'of', '1', 'today', 'and', 'thawing', 'models', 'where', 'the', 'eos', 'is', 'near', '1', 'at', 'high', 'redshifts', 'but', 'rapidly', 'evolves', 'to', 'values', 'greater', 'than', '085', 'at', 'z', '02', 'finally', 'we', 'propose', 'a', 'parameterizationindependent', 'figureofmerit', 'to', 'help', 'assess', 'the', 'ability', 'of', 'future', 'surveys', 'to', 'constrain', 'dark', 'energy', 'while', 'previous', 'figuresofmerit', 'presume', 'specific', 'dark', 'energy', 'parameterizations', 'we', 'suggest', 'a', 'binning', 'approach', 'to', 'evaluate', 'dark', 'energy', 'constraints', 'with', 'a', 'minimum', 'number', 'of', 'assumptions']]
|
[-0.0788547862876757, 0.13737564191476187, -0.10472207366785204, 0.11347930837285028, -0.10915222582724791, -0.12796067702636885, 0.04090636003847149, 0.3272541932322466, -0.18728291347030213, -0.39218865771598016, 0.054363188552881844, -0.29934348784895104, 0.02947636532904157, 0.1766629972706803, 0.027083396627197297, 0.0011814102420017166, 0.03955696696225046, 0.011163248786364089, -0.07518372707729049, -0.25351726796202867, 0.3397735301595689, 0.10202888149704614, 0.25420496431179346, 0.010489303212274205, 0.09563816573354415, -0.07471454822648825, -0.05115181986581196, -0.024065763619596097, -0.23323072262613675, 0.049316552345937285, 0.21350305474365583, 0.10003236775800443, 0.23679594103014096, -0.36420704987831415, -0.2568613748515914, 0.15897490163757041, 0.13171122966503554, 0.11571157007711008, -0.032663706502022584, -0.2505060140847821, 0.07775798390966057, -0.1859787325120785, -0.14059715526686473, -0.011569280450401658, -0.026485191414725374, 0.02054229780835819, -0.26798957856371997, 0.17984176752083428, -0.05153208341917806, -0.043528422677296806, -0.14776764164826917, -0.1699277907387692, -0.046231858772807756, -0.0262395415508019, 0.0631707525886172, 0.05236944135037695, 0.1385861750951418, -0.18781428559843996, -0.02293063317933543, 0.38415918694385753, -0.11898696547954883, -0.12487926214129072, 0.16411026956471192, -0.16309143136128446, -0.15135523538655518, 0.12530609071360563, 0.1308306276628917, 0.041937135299667715, -0.10809802268420092, 0.06162298523162132, 0.04800040849632668, 0.23252185874364592, 0.031535327796485615, 0.01267709270141495, 0.2812659091781825, 0.16860327145127071, 0.05525729102717543, 0.03263178316357715, -0.10537305636416104, -0.04528051446276632, -0.30710394188592377, -0.08961484171873467, -0.16688363402235237, 0.06515051805816421, -0.15453583289298958, -0.09593188862570308, 0.3600130501658317, 0.16023650606994952, 0.2246717068493705, 0.08464209266821854, 0.2868156170938164, 0.09990628727563572, 0.023212309980722653, 0.10164929499257017, 0.3086000296266072, 0.11231654499424622, 0.09528300245186652, -0.19300190067125103, 0.005368440498767251, -0.03884527888360687]
|
706.3731
|
Calculation of the axial charge in the epsilon and epsilon' regimes of
HBChPT
|
The axial charge g_A is calculated in the epsilon regime of Heavy Baryon
Chiral Perturbation Theory to order epsilon^3. To perform this calculation, we
develop a technique to compute baryon properties in the epsilon regime of
Chiral Perturbation Theory. This technique includes contributions from pion
zero momentum modes and can be used at arbitrary order, diagram by diagram, in
the $\epsilon$ regime to calculate any matrix element. Also, a calculation of
g_A in the epsilon' regime to order epsilon'^3 is performed. A discussion of
the domain of applicability for both the epsilon and epsilon' regimes is also
included.
|
hep-lat
|
the axial charge g_a is calculated in the epsilon regime of heavy baryon chiral perturbation theory to order epsilon3 to perform this calculation we develop a technique to compute baryon properties in the epsilon regime of chiral perturbation theory this technique includes contributions from pion zero momentum modes and can be used at arbitrary order diagram by diagram in the epsilon regime to calculate any matrix element also a calculation of g_a in the epsilon regime to order epsilon3 is performed a discussion of the domain of applicability for both the epsilon and epsilon regimes is also included
|
[['the', 'axial', 'charge', 'g_a', 'is', 'calculated', 'in', 'the', 'epsilon', 'regime', 'of', 'heavy', 'baryon', 'chiral', 'perturbation', 'theory', 'to', 'order', 'epsilon3', 'to', 'perform', 'this', 'calculation', 'we', 'develop', 'a', 'technique', 'to', 'compute', 'baryon', 'properties', 'in', 'the', 'epsilon', 'regime', 'of', 'chiral', 'perturbation', 'theory', 'this', 'technique', 'includes', 'contributions', 'from', 'pion', 'zero', 'momentum', 'modes', 'and', 'can', 'be', 'used', 'at', 'arbitrary', 'order', 'diagram', 'by', 'diagram', 'in', 'the', 'epsilon', 'regime', 'to', 'calculate', 'any', 'matrix', 'element', 'also', 'a', 'calculation', 'of', 'g_a', 'in', 'the', 'epsilon', 'regime', 'to', 'order', 'epsilon3', 'is', 'performed', 'a', 'discussion', 'of', 'the', 'domain', 'of', 'applicability', 'for', 'both', 'the', 'epsilon', 'and', 'epsilon', 'regimes', 'is', 'also', 'included']]
|
[-0.15932654038698849, 0.17424106348438986, -0.08355667092837393, 0.05910172622902699, -0.030287619509106994, -0.0873602081745939, 0.11543569930268413, 0.3112391069987599, -0.21501705402090232, -0.25647863725257314, 0.025379568861075202, -0.2947193743394954, -0.0885171260143041, 0.10325173782754918, 0.04988376362895479, 0.036543818537564, -0.018715042540119315, 0.060203733207771976, -0.06992879041413567, -0.17084036029077002, 0.28043572784030846, 0.0011221498098908638, 0.22164479030144155, 0.09928562457920337, 0.042329604704199095, -0.02081452219328862, 0.005001196314637758, 0.03186803819535642, -0.21438655177397387, 0.026592069108286227, 0.2565037345475688, -0.017965645928468024, 0.22194472267482507, -0.36045624500102535, -0.1795482271046815, 0.06504293750705463, 0.18324035199891245, 0.1721597703705941, 0.010937002144174233, -0.2070844620751331, 0.1539819408113099, -0.21217014534132822, -0.22291363567132882, -0.16911911365946716, 0.023296257366939466, -0.06220281720921701, -0.37444690502799893, 0.09763505350149769, 3.0918027825501504e-05, -0.016240213826602817, 0.008647932927599368, -0.13763364166857636, 0.04712384672863979, 0.125917164423522, 0.07809750362517959, 0.11138880823510794, 0.12775900426358744, -0.13425495233671852, -0.06752338457130352, 0.40638730767164, -0.11151165784959093, -0.1944431661799246, 0.06392591098817635, -0.20017507048418784, -0.10535431046476018, 0.12488716948606378, 0.15880921110510826, 0.163446360130198, -0.08621039215655883, 0.1833992414164585, 0.05928925461877061, 0.20156903075035282, 0.04968961525936516, 0.018382966898533762, 0.1224868955370989, 0.12386438206351381, 0.01511802911112199, 0.10470206762678275, -0.08113505977932933, -0.0705012699056949, -0.37713772041381016, -0.07893357007783286, -0.1948291808936973, 0.0049466936592468804, -0.12443200629459912, -0.15962287374030876, 0.36578477810764193, 0.1361749259545943, 0.1927441550532774, 0.020448654519432053, 0.3162999247789991, 0.15122495113624906, 0.038566430035161275, 0.04777800076527103, 0.25380773810261137, 0.21868944369798185, 0.10666919260152749, -0.28738284893381427, -0.028171359551880434, 0.14610928773870502]
|
706.3732
|
Toward faithful templates for non-spinning binary black holes using the
effective-one-body approach
|
We present an accurate approximation of the full gravitational radiation
waveforms generated in the merger of non-eccentric systems of two non-spinning
black holes. Utilizing information from recent numerical relativity simulations
and the natural flexibility of the effective-one-body (EOB) model, we extend
the latter so that it can successfully match the numerical relativity waveforms
during the last stages of inspiral, merger and ringdown. By ``successfully''
here, we mean with phase differences < 8% of a gravitational-wave cycle
accumulated by the end of the ringdown phase, maximizing only over time of
arrival and initial phase. We obtain this result by simply adding a
4-post-Newtonian order correction in the EOB radial potential and determining
the (constant) coefficient by imposing high-matching performances with
numerical waveforms of mass ratios m1/m2 = 1, 3/2, 2 and 4, m1 and m2 being the
individual black-hole masses. The final black-hole mass and spin predicted by
the numerical simulations are used to determine the ringdown frequency and
decay time of three quasi-normal-mode damped sinusoids that are attached to the
EOB inspiral-(plunge) waveform at the EOB light-ring. The EOB waveforms might
be tested and further improved in the future by comparison with extremely long
and accurate inspiral numerical-relativity waveforms. They may already be
employed for coherent searches and parameter estimation of gravitational waves
emitted by non-spinning coalescing binary black holes with ground-based
laser-interferometer detectors.
|
gr-qc
|
we present an accurate approximation of the full gravitational radiation waveforms generated in the merger of noneccentric systems of two nonspinning black holes utilizing information from recent numerical relativity simulations and the natural flexibility of the effectiveonebody eob model we extend the latter so that it can successfully match the numerical relativity waveforms during the last stages of inspiral merger and ringdown by successfully here we mean with phase differences 8 of a gravitationalwave cycle accumulated by the end of the ringdown phase maximizing only over time of arrival and initial phase we obtain this result by simply adding a 4postnewtonian order correction in the eob radial potential and determining the constant coefficient by imposing highmatching performances with numerical waveforms of mass ratios m1m2 1 32 2 and 4 m1 and m2 being the individual blackhole masses the final blackhole mass and spin predicted by the numerical simulations are used to determine the ringdown frequency and decay time of three quasinormalmode damped sinusoids that are attached to the eob inspiralplunge waveform at the eob lightring the eob waveforms might be tested and further improved in the future by comparison with extremely long and accurate inspiral numericalrelativity waveforms they may already be employed for coherent searches and parameter estimation of gravitational waves emitted by nonspinning coalescing binary black holes with groundbased laserinterferometer detectors
|
[['we', 'present', 'an', 'accurate', 'approximation', 'of', 'the', 'full', 'gravitational', 'radiation', 'waveforms', 'generated', 'in', 'the', 'merger', 'of', 'noneccentric', 'systems', 'of', 'two', 'nonspinning', 'black', 'holes', 'utilizing', 'information', 'from', 'recent', 'numerical', 'relativity', 'simulations', 'and', 'the', 'natural', 'flexibility', 'of', 'the', 'effectiveonebody', 'eob', 'model', 'we', 'extend', 'the', 'latter', 'so', 'that', 'it', 'can', 'successfully', 'match', 'the', 'numerical', 'relativity', 'waveforms', 'during', 'the', 'last', 'stages', 'of', 'inspiral', 'merger', 'and', 'ringdown', 'by', 'successfully', 'here', 'we', 'mean', 'with', 'phase', 'differences', '8', 'of', 'a', 'gravitationalwave', 'cycle', 'accumulated', 'by', 'the', 'end', 'of', 'the', 'ringdown', 'phase', 'maximizing', 'only', 'over', 'time', 'of', 'arrival', 'and', 'initial', 'phase', 'we', 'obtain', 'this', 'result', 'by', 'simply', 'adding', 'a', '4postnewtonian', 'order', 'correction', 'in', 'the', 'eob', 'radial', 'potential', 'and', 'determining', 'the', 'constant', 'coefficient', 'by', 'imposing', 'highmatching', 'performances', 'with', 'numerical', 'waveforms', 'of', 'mass', 'ratios', 'm1m2', '1', '32', '2', 'and', '4', 'm1', 'and', 'm2', 'being', 'the', 'individual', 'blackhole', 'masses', 'the', 'final', 'blackhole', 'mass', 'and', 'spin', 'predicted', 'by', 'the', 'numerical', 'simulations', 'are', 'used', 'to', 'determine', 'the', 'ringdown', 'frequency', 'and', 'decay', 'time', 'of', 'three', 'quasinormalmode', 'damped', 'sinusoids', 'that', 'are', 'attached', 'to', 'the', 'eob', 'inspiralplunge', 'waveform', 'at', 'the', 'eob', 'lightring', 'the', 'eob', 'waveforms', 'might', 'be', 'tested', 'and', 'further', 'improved', 'in', 'the', 'future', 'by', 'comparison', 'with', 'extremely', 'long', 'and', 'accurate', 'inspiral', 'numericalrelativity', 'waveforms', 'they', 'may', 'already', 'be', 'employed', 'for', 'coherent', 'searches', 'and', 'parameter', 'estimation', 'of', 'gravitational', 'waves', 'emitted', 'by', 'nonspinning', 'coalescing', 'binary', 'black', 'holes', 'with', 'groundbased', 'laserinterferometer', 'detectors']]
|
[-0.14071682961657644, 0.13674862376389105, -0.041031876993788914, 0.06846396765415028, -0.05100173763930797, -0.08892199550755323, -0.008211297324900939, 0.34195170121860097, -0.11762963156639175, -0.33430216301613574, 0.08696848048712127, -0.2901502187871797, -0.11874093241693283, 0.24988788989457217, 0.0009954430120573802, 0.10916802102530544, 0.14290299179065186, -0.023283008732621305, -0.13157717641707595, -0.22192714089654725, 0.2757589985807003, 0.11097952654923905, 0.1102361979867882, -0.0877515217188788, 0.08555415526445193, 0.011432835952093063, -0.0580982723995641, -0.04198927960824221, -0.17077988855962759, 0.028464550560932944, 0.27308610718993637, 0.14569174792040113, 0.1748712632106617, -0.4211392588871108, -0.20953603952869096, 0.0666357656065057, 0.14010381942776307, 0.179787721473258, -0.05543159164826648, -0.29992557469469666, 0.07882793321808673, -0.3111413190464108, -0.10257854711645367, -0.035270809077403764, 0.06399564663879573, 0.055051672242751176, -0.26301102864090353, 0.10316485408984591, 0.04978875747395002, -0.09180547809651629, -0.05908228251209948, -0.0857429694872487, -0.03623391125584021, 0.12412236518522894, 0.09176884918653576, 0.07133399294213053, 0.144558583968319, -0.046507511667864904, -0.11740182317814536, 0.3547232894226909, -0.07723017500618219, -0.17999757693403146, 0.16063677092103965, -0.2303632475287569, -0.0621075771918351, 0.17295149033360013, 0.16865910469681364, 0.14871908969679762, -0.14508123928839764, 0.012264909825171344, 0.14312859304799613, 0.23609032023285345, 0.14507199915718627, -0.011815358335363933, 0.3462079161502929, 0.14548778467684645, -0.045907061866653914, 0.07947031169209037, -0.12559324137824165, -0.03465675147969953, -0.25839933018062516, -0.04286018952777588, -0.1823428049440157, 0.05884570265717974, -0.18090078519923158, -0.09182822939209555, 0.4070657946592705, 0.12979927924302914, 0.13810006291182203, 0.09172159759010273, 0.34928222643175105, 0.09641685649006501, 0.0008291860190431841, 0.05649315577254377, 0.38794636437246066, 0.11319986593655565, 0.07365975833487358, -0.24729996663200754, -0.01614140974389474, 0.05416179896300574]
|
706.3733
|
Interplay between lattice-scale physics and the quantum Hall effect in
graphene
|
Graphene's honeycomb lattice structure underlies much of the remarkable
physics inherent in this material, most strikingly through the formation of two
``flavors'' of Dirac cones for each spin. In the quantum Hall regime, the
resulting flavor degree of freedom leads to an interesting problem when a
Landau level is partially occupied. Namely, while Zeeman splitting clearly
favors polarizing spins along the field, precisely how the states for each
flavor are occupied can become quite delicate. Here we focus on clean graphene
sheets in the regime of quantum Hall ferromagnetism, and discuss how subtler
lattice-scale physics, arising either from interactions or disorder, resolves
this ambiguity to measurable consequence. Interestingly, such lattice-scale
physics favors microscopic symmetry-breaking order coexisting with the usual
liquid-like quantum Hall physics emerging on long length scales. The current
experimental situation is briefly reviewed in light of our discussion.
|
cond-mat.mes-hall
|
graphenes honeycomb lattice structure underlies much of the remarkable physics inherent in this material most strikingly through the formation of two flavors of dirac cones for each spin in the quantum hall regime the resulting flavor degree of freedom leads to an interesting problem when a landau level is partially occupied namely while zeeman splitting clearly favors polarizing spins along the field precisely how the states for each flavor are occupied can become quite delicate here we focus on clean graphene sheets in the regime of quantum hall ferromagnetism and discuss how subtler latticescale physics arising either from interactions or disorder resolves this ambiguity to measurable consequence interestingly such latticescale physics favors microscopic symmetrybreaking order coexisting with the usual liquidlike quantum hall physics emerging on long length scales the current experimental situation is briefly reviewed in light of our discussion
|
[['graphenes', 'honeycomb', 'lattice', 'structure', 'underlies', 'much', 'of', 'the', 'remarkable', 'physics', 'inherent', 'in', 'this', 'material', 'most', 'strikingly', 'through', 'the', 'formation', 'of', 'two', 'flavors', 'of', 'dirac', 'cones', 'for', 'each', 'spin', 'in', 'the', 'quantum', 'hall', 'regime', 'the', 'resulting', 'flavor', 'degree', 'of', 'freedom', 'leads', 'to', 'an', 'interesting', 'problem', 'when', 'a', 'landau', 'level', 'is', 'partially', 'occupied', 'namely', 'while', 'zeeman', 'splitting', 'clearly', 'favors', 'polarizing', 'spins', 'along', 'the', 'field', 'precisely', 'how', 'the', 'states', 'for', 'each', 'flavor', 'are', 'occupied', 'can', 'become', 'quite', 'delicate', 'here', 'we', 'focus', 'on', 'clean', 'graphene', 'sheets', 'in', 'the', 'regime', 'of', 'quantum', 'hall', 'ferromagnetism', 'and', 'discuss', 'how', 'subtler', 'latticescale', 'physics', 'arising', 'either', 'from', 'interactions', 'or', 'disorder', 'resolves', 'this', 'ambiguity', 'to', 'measurable', 'consequence', 'interestingly', 'such', 'latticescale', 'physics', 'favors', 'microscopic', 'symmetrybreaking', 'order', 'coexisting', 'with', 'the', 'usual', 'liquidlike', 'quantum', 'hall', 'physics', 'emerging', 'on', 'long', 'length', 'scales', 'the', 'current', 'experimental', 'situation', 'is', 'briefly', 'reviewed', 'in', 'light', 'of', 'our', 'discussion']]
|
[-0.17374831903725863, 0.277151888129239, -0.04193916804631174, 0.07907422047075151, -0.06227079413032958, -0.18380933906384078, 0.040169159895906754, 0.32500772045126985, -0.302058638762849, -0.25374001910510874, 0.007549701596976125, -0.29031305382959544, -0.1455585541070572, 0.14118845445336775, 0.007047351473011077, -0.023027668706241195, 0.004609252667121057, -0.03720741814468056, -0.07584591475648007, -0.2132331608387176, 0.3373268860823633, 0.015489510623904476, 0.307284255714954, 0.11239356521650085, 0.056453515807100174, 0.034687001301374816, 0.06749885681097761, 0.04211465997089233, -0.12412885217428474, 0.056008777263923545, 0.2462212992532711, -0.06121526936601315, 0.19705704538755525, -0.4499815428629518, -0.18100895175344445, 0.006151648926814752, 0.1553096448071301, 0.18623271880372028, -0.06262047882025529, -0.27669729671574067, -0.013075739381435726, -0.1260964685844166, -0.15273398525813328, -0.074512889262821, -0.02078696456987278, -0.08666614204620211, -0.19047194253528557, 0.12246680943145682, 0.06181746594208692, 0.06663205395868448, -0.008766183667051206, -0.15986465918498913, -0.044242562616377004, 0.07055085539988275, 0.0854053955026237, 0.021795519615365525, 0.13063850145720476, -0.19275397975330374, -0.17369252787570336, 0.43301453675209944, 0.007290942693362013, -0.15210422025993467, 0.22470338044222443, -0.22328304032395993, -0.13875989221768187, 0.10599431317698743, 0.0985597924362602, 0.038369415470931145, -0.08491467845752985, 0.1261916229563732, -0.04335711456702224, 0.15650317887276677, 0.041580728384932236, 0.13030115840291337, 0.3020343350778733, 0.20721583352424205, 0.08715709859305727, 0.11602716011527393, -0.08081637989130935, -0.15206013856222853, -0.2593741706572473, -0.11652399629487523, -0.1921584066968145, 0.12068446585908532, -0.04938947647533496, -0.16102791280552212, 0.4341145920533953, 0.15687528349475802, 0.17945381624823703, -0.08044404559768736, 0.2446707777712228, 0.08352724656163316, 0.04130749998481146, 0.007647994603030383, 0.24367316729913, 0.14916349804428006, 0.0836262842690173, -0.2844660158185954, 0.03910616119392216, 0.029144656211220924]
|
706.3734
|
Higher Rank TQFT Representations of SL(2,Z) are Reducible
|
In this article we give examples which show that the TQFT representations of
the mapping class groups derived from quantum SU(N) for N>2 are generically
decomposable. One general decomposition of the representations is induced by
the symmetry which exchanges SU(N) representation labels by their conjugates.
The respective summands of a given parity are typically still reducible into
many further components.
Specifically, we give an explicit basis for an irreducible direct summand in
the SL(2,Z) representation obtained from quantum PSU(3) when the order of the
root of unity is a prime r=2 mod 3. We show that this summand is isomorphic to
the respective PSU(2) representation.
|
math.GT math.QA
|
in this article we give examples which show that the tqft representations of the mapping class groups derived from quantum sun for n2 are generically decomposable one general decomposition of the representations is induced by the symmetry which exchanges sun representation labels by their conjugates the respective summands of a given parity are typically still reducible into many further components specifically we give an explicit basis for an irreducible direct summand in the sl2z representation obtained from quantum psu3 when the order of the root of unity is a prime r2 mod 3 we show that this summand is isomorphic to the respective psu2 representation
|
[['in', 'this', 'article', 'we', 'give', 'examples', 'which', 'show', 'that', 'the', 'tqft', 'representations', 'of', 'the', 'mapping', 'class', 'groups', 'derived', 'from', 'quantum', 'sun', 'for', 'n2', 'are', 'generically', 'decomposable', 'one', 'general', 'decomposition', 'of', 'the', 'representations', 'is', 'induced', 'by', 'the', 'symmetry', 'which', 'exchanges', 'sun', 'representation', 'labels', 'by', 'their', 'conjugates', 'the', 'respective', 'summands', 'of', 'a', 'given', 'parity', 'are', 'typically', 'still', 'reducible', 'into', 'many', 'further', 'components', 'specifically', 'we', 'give', 'an', 'explicit', 'basis', 'for', 'an', 'irreducible', 'direct', 'summand', 'in', 'the', 'sl2z', 'representation', 'obtained', 'from', 'quantum', 'psu3', 'when', 'the', 'order', 'of', 'the', 'root', 'of', 'unity', 'is', 'a', 'prime', 'r2', 'mod', '3', 'we', 'show', 'that', 'this', 'summand', 'is', 'isomorphic', 'to', 'the', 'respective', 'psu2', 'representation']]
|
[-0.1347409223492902, 0.13791572593422294, -0.07799305160929529, 0.0415486709898687, -0.08778103315629639, -0.11519460938870907, -0.02571296708013576, 0.341395740934576, -0.3345085632127638, -0.23159870765028664, 0.0945755503534411, -0.26432085211406675, -0.18757247681228015, 0.1456891422679361, -0.06638454852733187, -0.0435933531597794, 0.06876813485779656, 0.1506183898398796, -0.09851794719893056, -0.2787865301092657, 0.3528693100939003, -0.048052072178017206, 0.231141012475396, 0.01854415858262935, 0.0995756590138906, 0.009445907628665177, -0.016655067635628466, -0.05147395720884491, -0.11135466614933438, 0.16150402334852304, 0.3011366899367064, 0.09808906066106059, 0.16881731320553137, -0.39265216670285624, -0.13379959676128167, 0.1835883716121316, 0.16343299160675648, 0.06384982495308997, -0.02770372262546936, -0.28468182942238995, 0.11917982172991078, -0.2032875968501545, -0.076655387529172, -0.10280996467022654, 0.056422203832950726, -0.05146371342617875, -0.2617907008389011, 0.0077310489611521075, 0.11885555789530582, 0.10957169847992751, -0.07308523334638896, -0.15055659526059081, -0.03170929193639985, 0.1394505157673288, 0.02613440996188169, 0.024563504356102876, 0.06319283619366335, -0.1665575894115206, -0.1211126595478093, 0.40065105692841685, 0.0026185948103934955, -0.24164427608215752, 0.1582823123921676, -0.14101590857339594, -0.17766802844394428, 0.15079314075858116, 0.06373685117712459, 0.10986214419916415, -0.04687789407440645, 0.14387726998673037, -0.12697688997454512, 0.11002842566813342, 0.056264666347907714, 0.006359115993501081, 0.175239510981975, 0.02571612132865434, 0.06873096629764265, 0.14859376524915346, 0.008621131213238606, -0.027369308567498453, -0.36177095430544937, -0.2023272507582218, -0.17633000917087954, 0.12217114266688721, -0.10441045526078177, -0.11842193594426274, 0.41113418580677646, 0.09557085924965437, 0.18747349587143758, 0.11834099157399927, 0.2672048672639693, 0.13339172087020976, 0.07749101372498374, 0.04744046386062669, 0.15307306359038472, 0.1740222112320435, -0.07341081854750743, -0.1482658378350047, -0.03393666681502229, 0.19168695203888303]
|
706.3735
|
Multi-bit information storage by multisite phosphorylation
|
Cells store information in DNA and in stable programs of gene expression,
which thereby implement forms of long-term cellular memory. Cells must also
possess short-term forms of information storage, implemented
post-translationally, to transduce and interpret external signals. CaMKII, for
instance, is thought to implement a one-bit (bistable) short-term memory
required for learning at post-synaptic densities. Here we show by mathematical
analysis that multisite protein phosphorylation, which is ubiquitous in all
eukaryotic signalling pathways, exhibits multistability for which the maximal
number of steady states increases with the number of sites. If there are n
sites, the maximal information storage capacity is at least log_2 (n+2)/2 bits
when n is even and log_2 (n+1)/2 bits when n is odd. Furthermore, when
substrate is in excess, enzyme saturation together with an alternating low/high
pattern in the site-specific relative catalytic efficiencies, enriches for
multistability. That is, within physiologically plausible ranges for
parameters, multistability becomes more likely than monostability. We discuss
the experimental challenges in pursuing these predictions and in determining
the biological role of short-term information storage.
|
q-bio.MN
|
cells store information in dna and in stable programs of gene expression which thereby implement forms of longterm cellular memory cells must also possess shortterm forms of information storage implemented posttranslationally to transduce and interpret external signals camkii for instance is thought to implement a onebit bistable shortterm memory required for learning at postsynaptic densities here we show by mathematical analysis that multisite protein phosphorylation which is ubiquitous in all eukaryotic signalling pathways exhibits multistability for which the maximal number of steady states increases with the number of sites if there are n sites the maximal information storage capacity is at least log_2 n22 bits when n is even and log_2 n12 bits when n is odd furthermore when substrate is in excess enzyme saturation together with an alternating lowhigh pattern in the sitespecific relative catalytic efficiencies enriches for multistability that is within physiologically plausible ranges for parameters multistability becomes more likely than monostability we discuss the experimental challenges in pursuing these predictions and in determining the biological role of shortterm information storage
|
[['cells', 'store', 'information', 'in', 'dna', 'and', 'in', 'stable', 'programs', 'of', 'gene', 'expression', 'which', 'thereby', 'implement', 'forms', 'of', 'longterm', 'cellular', 'memory', 'cells', 'must', 'also', 'possess', 'shortterm', 'forms', 'of', 'information', 'storage', 'implemented', 'posttranslationally', 'to', 'transduce', 'and', 'interpret', 'external', 'signals', 'camkii', 'for', 'instance', 'is', 'thought', 'to', 'implement', 'a', 'onebit', 'bistable', 'shortterm', 'memory', 'required', 'for', 'learning', 'at', 'postsynaptic', 'densities', 'here', 'we', 'show', 'by', 'mathematical', 'analysis', 'that', 'multisite', 'protein', 'phosphorylation', 'which', 'is', 'ubiquitous', 'in', 'all', 'eukaryotic', 'signalling', 'pathways', 'exhibits', 'multistability', 'for', 'which', 'the', 'maximal', 'number', 'of', 'steady', 'states', 'increases', 'with', 'the', 'number', 'of', 'sites', 'if', 'there', 'are', 'n', 'sites', 'the', 'maximal', 'information', 'storage', 'capacity', 'is', 'at', 'least', 'log_2', 'n22', 'bits', 'when', 'n', 'is', 'even', 'and', 'log_2', 'n12', 'bits', 'when', 'n', 'is', 'odd', 'furthermore', 'when', 'substrate', 'is', 'in', 'excess', 'enzyme', 'saturation', 'together', 'with', 'an', 'alternating', 'lowhigh', 'pattern', 'in', 'the', 'sitespecific', 'relative', 'catalytic', 'efficiencies', 'enriches', 'for', 'multistability', 'that', 'is', 'within', 'physiologically', 'plausible', 'ranges', 'for', 'parameters', 'multistability', 'becomes', 'more', 'likely', 'than', 'monostability', 'we', 'discuss', 'the', 'experimental', 'challenges', 'in', 'pursuing', 'these', 'predictions', 'and', 'in', 'determining', 'the', 'biological', 'role', 'of', 'shortterm', 'information', 'storage']]
|
[-0.16109756742814743, 0.20105976965946262, 0.04200967389153521, 0.07508733527831776, -0.022386127590629773, -0.23344761992648588, 0.09602103025970087, 0.38311183337940474, -0.25861510040098534, -0.28074050398618844, 0.07122553127139505, -0.2805766416518448, -0.18748332115059793, 0.17839362812524587, -0.07825424192295641, -0.010038952510050266, 0.04324001745225218, 0.07633888691184622, 0.0544995644506312, -0.2331456415452106, 0.19119392275592215, 0.07019330917674553, 0.2861423400833643, 0.027117643458398618, 0.09043372239725062, -0.04971003295810667, 0.03198498804283711, -0.05483178267083158, -0.09802637127743875, 0.11918734248294872, 0.34108015052931157, 0.13700495992727965, 0.27004702759615945, -0.5085556708879209, -0.23352704512633685, 0.12383152725917927, 0.17110303178095834, 0.12667630407676597, -0.024427623015366134, -0.15819344781016167, 0.11940308036605661, -0.11475143363064079, -0.08882844447012926, -0.10667039707001578, 0.10136088211865923, 0.03764575033723188, -0.30780340721184724, 0.07540129417216411, 0.048310234883170634, 0.08726298950634079, -0.07015285918467565, -0.09649305005767786, -0.07067055922914081, 0.13044799740592453, 0.004492900402936546, -0.0067746799743352085, 0.1892439742637206, -0.14161581975660917, -0.11898801480608352, 0.3127758985484891, -0.005240894705100884, -0.17573323058545848, 0.1494935860835834, -0.12820887817285223, -0.1647780005064069, 0.16036489597828574, 0.1298822870443042, 0.05752047582534869, -0.14565821808372217, 0.033100822751378, 0.0018132395747607584, 0.2330293813478094, 0.12474005311361455, 0.1154448418902244, 0.17980888893967764, 0.21863226871062716, 0.06430100490382168, 0.16487509946371132, -0.08114164259427394, -0.13253133106072343, -0.22789776203393494, -0.14927823100282106, -0.14774857315630519, 0.0584740366543121, -0.12838135551993676, -0.12277828930807165, 0.3383020350112004, 0.09156247739803929, 0.17038573678905908, 0.0670807895518441, 0.26799452940884955, 0.03982237230641821, 0.10334781743316895, 0.09443592688040485, 0.13565493318537583, 0.10725970332230834, 0.09373825176947378, -0.2633458696106567, 0.14583060447923366, 0.008034607302330198]
|
706.3736
|
World-line Quantisation of a Reciprocally Invariant System
|
We present the world-line quantisation of a system invariant under the
symmetries of reciprocal relativity (pseudo-unitary transformations on ``phase
space coordinates" $(x^\mu(\tau),p^\mu(\tau))$ which preserve the Minkowski
metric and the symplectic form, and global shifts in these coordinates,
together with coordinate dependent transformations of an additional compact
phase coordinate, $\theta(\tau)$). The action is that of free motion over the
corresponding Weyl-Heisenberg group. Imposition of the first class constraint,
the generator of local time reparametrisations, on physical states enforces
identification of the world-line cosmological constant with a fixed value of
the quadratic Casimir of the quaplectic symmetry group $Q(D-1,1)\cong
U(D-1,1)\ltimes H(D)$, the semi-direct product of the pseudo-unitary group with
the Weyl-Heisenberg group (the central extension of the global translation
group, with central extension associated to the phase variable $\theta(\tau)$).
The spacetime spectrum of physical states is identified. Even though for an
appropriate range of values the restriction enforced by the cosmological
constant projects out negative norm states from the physical spectrum, leaving
over spin zero states only, the mass-squared spectrum is continuous over the
entire real line and thus includes a tachyonic branch as well.
|
hep-th math-ph math.MP
|
we present the worldline quantisation of a system invariant under the symmetries of reciprocal relativity pseudounitary transformations on phase space coordinates xmutaupmutau which preserve the minkowski metric and the symplectic form and global shifts in these coordinates together with coordinate dependent transformations of an additional compact phase coordinate thetatau the action is that of free motion over the corresponding weylheisenberg group imposition of the first class constraint the generator of local time reparametrisations on physical states enforces identification of the worldline cosmological constant with a fixed value of the quadratic casimir of the quaplectic symmetry group qd11cong ud11ltimes hd the semidirect product of the pseudounitary group with the weylheisenberg group the central extension of the global translation group with central extension associated to the phase variable thetatau the spacetime spectrum of physical states is identified even though for an appropriate range of values the restriction enforced by the cosmological constant projects out negative norm states from the physical spectrum leaving over spin zero states only the masssquared spectrum is continuous over the entire real line and thus includes a tachyonic branch as well
|
[['we', 'present', 'the', 'worldline', 'quantisation', 'of', 'a', 'system', 'invariant', 'under', 'the', 'symmetries', 'of', 'reciprocal', 'relativity', 'pseudounitary', 'transformations', 'on', 'phase', 'space', 'coordinates', 'xmutaupmutau', 'which', 'preserve', 'the', 'minkowski', 'metric', 'and', 'the', 'symplectic', 'form', 'and', 'global', 'shifts', 'in', 'these', 'coordinates', 'together', 'with', 'coordinate', 'dependent', 'transformations', 'of', 'an', 'additional', 'compact', 'phase', 'coordinate', 'thetatau', 'the', 'action', 'is', 'that', 'of', 'free', 'motion', 'over', 'the', 'corresponding', 'weylheisenberg', 'group', 'imposition', 'of', 'the', 'first', 'class', 'constraint', 'the', 'generator', 'of', 'local', 'time', 'reparametrisations', 'on', 'physical', 'states', 'enforces', 'identification', 'of', 'the', 'worldline', 'cosmological', 'constant', 'with', 'a', 'fixed', 'value', 'of', 'the', 'quadratic', 'casimir', 'of', 'the', 'quaplectic', 'symmetry', 'group', 'qd11cong', 'ud11ltimes', 'hd', 'the', 'semidirect', 'product', 'of', 'the', 'pseudounitary', 'group', 'with', 'the', 'weylheisenberg', 'group', 'the', 'central', 'extension', 'of', 'the', 'global', 'translation', 'group', 'with', 'central', 'extension', 'associated', 'to', 'the', 'phase', 'variable', 'thetatau', 'the', 'spacetime', 'spectrum', 'of', 'physical', 'states', 'is', 'identified', 'even', 'though', 'for', 'an', 'appropriate', 'range', 'of', 'values', 'the', 'restriction', 'enforced', 'by', 'the', 'cosmological', 'constant', 'projects', 'out', 'negative', 'norm', 'states', 'from', 'the', 'physical', 'spectrum', 'leaving', 'over', 'spin', 'zero', 'states', 'only', 'the', 'masssquared', 'spectrum', 'is', 'continuous', 'over', 'the', 'entire', 'real', 'line', 'and', 'thus', 'includes', 'a', 'tachyonic', 'branch', 'as', 'well']]
|
[-0.1949616955676475, 0.1347487688855744, -0.0931348312418848, 0.01523026762277866, -0.10595153373283693, -0.09488230396072542, 0.012941737293770444, 0.3409039079009714, -0.2786425588214796, -0.24849438029419443, 0.11228101018506659, -0.2323308468135542, -0.0900780744434402, 0.13274951951380548, -0.03247746432137639, 0.03163103060219658, 0.016084316846076918, 0.11344800390141845, -0.15312055839803174, -0.18971761543428597, 0.38643673571690335, 0.04899949034124446, 0.25700251469336577, -0.05014790394688129, 0.15178347907845952, 0.0440905352198524, -0.033545858710588024, -0.03418655394103024, -0.06691745676425599, 0.06085413725989449, 0.19255512726217425, 0.0758546200026784, 0.1905190087932906, -0.3572642289468883, -0.20340634794520765, 0.13323395041223388, 0.11014536979696687, 0.07273956365797503, -0.027627900493846343, -0.33876890259893744, 0.02358010463486816, -0.16508059652376525, -0.15371460925726552, -0.06890135457708016, 0.022434503127503412, -0.04847207315156871, -0.2219222835655319, 0.07101668698411415, 0.039169795866457316, 0.09208893910175263, -0.12699186841192442, -0.08436716530685359, -0.0814931764821496, 0.11511845100773811, 0.07612104052495648, 0.041257329709182736, 0.14646377984249662, -0.09386202560701308, -0.08996690626844098, 0.42996339570189823, -0.07530465942037463, -0.24990263182862385, 0.1317188070382007, -0.16413862599637463, -0.14948684796847028, 0.12351762156610965, 0.11147208228465377, 0.1289662659381563, -0.09002364084108956, 0.1763857751307546, -0.05489428334332243, 0.1426481491724789, 0.05951105619848357, 0.048678336818520414, 0.18677192594980893, 0.05331723250880546, 0.12435256516529694, 0.09256371130448812, -0.020007873529909105, -0.14033423449100105, -0.41055471479747047, -0.16872244883021703, -0.14960971178341262, 0.07063916118427924, -0.13811076531297586, -0.16704751850058996, 0.41927382576945316, 0.05474729627545132, 0.18220419803238863, 0.06079491398325866, 0.21549663969508095, 0.11129660149789077, 0.12238104198148797, 0.06392403696949839, 0.2008451768535309, 0.1450216922006315, 0.028931396184150943, -0.25526057942458247, -0.025897007505799638, 0.12167072385372646]
|
706.3737
|
Quantum Hall plateau transition in the lowest Landau level of disordered
graphene
|
We investigate, analytically and numerically, the effects of disorder on the
density of states and on the localization properties of the relativistic two
dimensional fermions in the lowest Landau level. Employing a supersymmetric
technique, we calculate the exact density of states for the Cauchy (Lorentzian)
distribution for various types of disorders. We use a numerical technique to
establish the localization-delocalization (LD) transition in the lowest Landau
level. For some types of disorder the LD transition is shown to belong to a
different universality class, as compared to the corresponding nonrelativistic
problem. The results are relevant to the integer quantum Hall plateau
transitions observed in graphene.
|
cond-mat.mes-hall cond-mat.str-el
|
we investigate analytically and numerically the effects of disorder on the density of states and on the localization properties of the relativistic two dimensional fermions in the lowest landau level employing a supersymmetric technique we calculate the exact density of states for the cauchy lorentzian distribution for various types of disorders we use a numerical technique to establish the localizationdelocalization ld transition in the lowest landau level for some types of disorder the ld transition is shown to belong to a different universality class as compared to the corresponding nonrelativistic problem the results are relevant to the integer quantum hall plateau transitions observed in graphene
|
[['we', 'investigate', 'analytically', 'and', 'numerically', 'the', 'effects', 'of', 'disorder', 'on', 'the', 'density', 'of', 'states', 'and', 'on', 'the', 'localization', 'properties', 'of', 'the', 'relativistic', 'two', 'dimensional', 'fermions', 'in', 'the', 'lowest', 'landau', 'level', 'employing', 'a', 'supersymmetric', 'technique', 'we', 'calculate', 'the', 'exact', 'density', 'of', 'states', 'for', 'the', 'cauchy', 'lorentzian', 'distribution', 'for', 'various', 'types', 'of', 'disorders', 'we', 'use', 'a', 'numerical', 'technique', 'to', 'establish', 'the', 'localizationdelocalization', 'ld', 'transition', 'in', 'the', 'lowest', 'landau', 'level', 'for', 'some', 'types', 'of', 'disorder', 'the', 'ld', 'transition', 'is', 'shown', 'to', 'belong', 'to', 'a', 'different', 'universality', 'class', 'as', 'compared', 'to', 'the', 'corresponding', 'nonrelativistic', 'problem', 'the', 'results', 'are', 'relevant', 'to', 'the', 'integer', 'quantum', 'hall', 'plateau', 'transitions', 'observed', 'in', 'graphene']]
|
[-0.11865098666111451, 0.16745587208507848, -0.054645635490305725, 0.12672601114803303, 0.033877113838458345, -0.13208282604547483, 0.05282113520827677, 0.3357789548557429, -0.21305702550425415, -0.25280253377166534, 0.03736420729796269, -0.2849820452819889, -0.15572263713305196, 0.13161926734305562, 0.03126336173819644, 0.10338188383196081, -0.02336440952716484, 0.013540149169663588, -0.12664949463769085, -0.19074111203884794, 0.3516958106220478, -0.0071744472791795575, 0.32058636661441553, 0.07334059170402941, 0.03979652649944737, -0.014430218336305449, 0.055986652771631874, 0.035037785121017975, -0.16885212430220453, 0.07195149012397797, 0.23900132478170452, -0.016542025327327705, 0.2246714724227786, -0.3850420292289484, -0.2074748661679526, 0.039742271766243946, 0.11081750290690079, 0.1765608355048157, 0.005608772785801973, -0.31107228653771535, 0.07442064052447676, -0.15441760646977595, -0.1685047866865283, -0.06526659100892998, 0.013943421432659739, -0.027433304242523653, -0.25640818329439274, 0.1127590157889894, 0.01041834226232909, 0.026850250496395996, -0.08962100376153276, -0.13318050300392012, -0.032075277195932964, 0.13109369109429064, 0.04174834982435901, -0.04234268221993088, 0.08211482017788858, -0.1702580465101554, -0.15308415677753232, 0.39415399268092144, -0.06071758451206344, -0.20122772595800814, 0.21481315213299934, -0.1908262337779715, -0.15618755191653258, 0.13785118653572032, 0.15430391116866043, 0.10258716889435336, -0.0915708789912363, 0.09908141734943327, -0.005346817405717004, 0.10687533110114081, 0.047999169310510514, 0.05564587157929227, 0.19604025091975927, 0.13336726804485632, 0.026097707423780647, 0.1886823199356773, -0.12637705241906502, -0.11234978350056779, -0.30219967475249654, -0.1688001057609827, -0.21055144418385766, 0.06430043362613236, -0.049868701677492244, -0.20488669551282546, 0.44954361943971544, 0.17783467674439418, 0.18503515847204696, 0.05854235833200316, 0.2095951278560928, 0.19754384194966407, 0.02455410004726478, 0.02014794998048317, 0.2306948669667777, 0.165223845990286, 0.05242307920541082, -0.29880992895701813, -0.010331707128456661, 0.10058385771920993]
|
706.3738
|
Equivariant Littlewood-Richardson Skew Tableaux
|
We give a positive equivariant Littlewood-Richardson rule also discovered
independently by Molev. Our proof generalizes a proof by Stembridge of the
ordinary Littlewood-Richardson rule. We describe a weight-preserving bijection
between our indexing tableaux and the Knutson-Tao puzzles.
|
math.AG math.CO
|
we give a positive equivariant littlewoodrichardson rule also discovered independently by molev our proof generalizes a proof by stembridge of the ordinary littlewoodrichardson rule we describe a weightpreserving bijection between our indexing tableaux and the knutsontao puzzles
|
[['we', 'give', 'a', 'positive', 'equivariant', 'littlewoodrichardson', 'rule', 'also', 'discovered', 'independently', 'by', 'molev', 'our', 'proof', 'generalizes', 'a', 'proof', 'by', 'stembridge', 'of', 'the', 'ordinary', 'littlewoodrichardson', 'rule', 'we', 'describe', 'a', 'weightpreserving', 'bijection', 'between', 'our', 'indexing', 'tableaux', 'and', 'the', 'knutsontao', 'puzzles']]
|
[-0.10667352825151505, 0.05604311242397573, -0.1673242928510582, 0.11178243734143875, -0.2077717335038894, -0.2068547706774159, 0.18732139853936797, 0.2578510964616529, -0.3574980922622254, -0.26984169332285385, 0.03428830215204004, -0.2172014832093909, -0.21420654830699032, 0.13985827298381845, -0.1931310040070801, -0.07972461559079788, 0.05977019028285065, -0.06989743580689302, -0.057830450678797996, -0.31152509058105154, 0.3220571586736352, -0.013722607916271364, 0.2075352142187389, 0.06721621072171508, 0.1409193940611707, 0.05377637124242815, -0.13941858757400927, -0.06271773143797307, -0.19474264356383197, 0.1519370644378501, 0.28294583742280266, 0.11878869954395939, 0.1485819876244342, -0.2915938935947378, 0.021968056334535014, 0.11770135249841858, 0.1683610230558426, 0.0696653799229377, -0.07602671002717437, -0.29581331650449616, 0.03214323757266676, -0.18402551889822288, -0.15124021991583947, -0.12379441566362574, 0.0776165152044111, 0.06390017638536724, -0.2485896745646322, 0.0111613505121912, 0.2384042757991198, 0.10115225492296992, -0.007451273828140787, -0.2404390770212017, 0.058488205943659353, -0.0014069025102700736, -0.05388959580277269, 0.02023859426215593, 0.019385769082283653, -0.03958711420764794, -0.28217480608539003, 0.30754719407775916, 0.014620012340585803, -0.1979640040647339, 0.07005030671260445, -0.12110827397555113, -0.20551370456814766, 0.09830343212328248, -0.06673488020896912, 0.16493107143135086, -0.017147809549429884, 0.08733952125830173, -0.31222297226053636, 0.048896018277249625, 0.20788499460605955, -0.09459420404321439, 0.2209387416825504, 0.03799890465027577, -0.028860124885230452, 0.2127113833117324, 0.08318996238144669, -0.061276527083906775, -0.3163927962147706, -0.19687858495760607, -0.11583602820472741, 0.09187147104357546, -0.15137233659334015, -0.18357475575160337, 0.34603853327398365, 0.08333871740143041, 0.20143589971436038, 0.21436878540427298, 0.17256793140660268, 0.0323951522051986, 0.08702630949886264, -0.05238632792355241, 0.1247875919641071, 0.2552538927065561, 0.07414097497491418, -0.14242730083493074, 0.04752133689770425, 0.35995025771695216]
|
706.3739
|
Gorenstein cohomology in abelian categories
|
We investigate relative cohomology functors on subcategories of abelian
categories via Auslander-Buchweitz approximations and the resulting strict
resolutions. We verify that certain comparison maps between these functors are
isomorphisms and introduce a notion of perfection for this context. Our main
theorem is a balance result for relative cohomology that simultaneously
recovers theorems of Holm and the current authors as special cases.
|
math.KT math.AC
|
we investigate relative cohomology functors on subcategories of abelian categories via auslanderbuchweitz approximations and the resulting strict resolutions we verify that certain comparison maps between these functors are isomorphisms and introduce a notion of perfection for this context our main theorem is a balance result for relative cohomology that simultaneously recovers theorems of holm and the current authors as special cases
|
[['we', 'investigate', 'relative', 'cohomology', 'functors', 'on', 'subcategories', 'of', 'abelian', 'categories', 'via', 'auslanderbuchweitz', 'approximations', 'and', 'the', 'resulting', 'strict', 'resolutions', 'we', 'verify', 'that', 'certain', 'comparison', 'maps', 'between', 'these', 'functors', 'are', 'isomorphisms', 'and', 'introduce', 'a', 'notion', 'of', 'perfection', 'for', 'this', 'context', 'our', 'main', 'theorem', 'is', 'a', 'balance', 'result', 'for', 'relative', 'cohomology', 'that', 'simultaneously', 'recovers', 'theorems', 'of', 'holm', 'and', 'the', 'current', 'authors', 'as', 'special', 'cases']]
|
[-0.13745145939412665, -0.028908630161256086, -0.07932062420352805, 0.1427632127506811, -0.03825975450702378, -0.08896304842573209, 0.027934061424409757, 0.3577345798982949, -0.35872545704764663, -0.2607006029393829, 0.09882777346084352, -0.1902723577461343, -0.13268896399951371, 0.1810241599842051, -0.23128492180563387, -0.0748289407185111, 0.08402047212403572, 0.002118379060850769, -0.08893529397099599, -0.2526292970888775, 0.46300137730040514, -0.001724532400792251, 0.29276171958715214, 0.07789241537818166, 0.11661105500686852, -0.020280591360117752, -0.06367190634129477, 0.0015476094770851664, -0.18657877284877927, 0.14090419052642023, 0.3397579798322232, 0.0472436852402008, 0.19538347874997092, -0.3530355064144938, -0.07614099864893761, 0.160946285612614, 0.04356005739756539, 0.07313733954425351, -0.003475128629122723, -0.2949468714078186, 0.15683279901200936, -0.21064512507959468, -0.0689756640836169, -0.14815532390913758, 0.020509916205020226, 0.0973599456159062, -0.228767769090587, 0.025491321326775444, 0.1443358018975724, 0.12337814433286425, -0.11036732995913165, -0.05334703734175104, -0.07054089831157787, 0.12018003859786225, 0.01151318620264408, -0.03783417360276961, 0.11849178161594223, -0.11176178797881012, -0.16283342361328054, 0.3646994610546065, -0.04041922825281737, -0.20047573494862336, 0.21594925831953735, -0.09837989657201239, -0.18521085870833914, 0.04515225549617813, 0.010167970612156586, 0.17624109754430467, -0.027693728885811862, 0.14543651511270522, -0.1545214055136579, 0.06822353680847121, 0.18702822109134715, 0.0285025474874944, 0.12375958079136297, 0.0656756703688412, 0.048958274587362884, 0.16237674738646898, 0.002723749593419374, -0.08539361137225003, -0.3770528177990288, -0.20241632907208604, -0.038834491927848484, 0.06811926463145579, -0.10206611157460788, -0.11013759883334402, 0.40243429834114725, 0.1649288048120368, 0.15202316517376754, 0.1979177235091319, 0.2725336249978816, 0.06006146256705044, 0.04432737489887437, -0.026817764117397735, 0.19076638517626485, 0.2989924842278, 0.0037913428482095725, -0.06584563780362244, -0.0016594347391338622, 0.2398489155485982]
|
706.374
|
Randomized series and Geometry of Banach spaces
|
We study some properties of the randomized series and their applications to
the geometric structure of Banach spaces. For $n\ge 2$ and $1<p<\infty$, it is
shown that $\ell_\infty^n$ is representable in a Banach space $X$ if and only
if it is representable in the Lebesgue-Bochner $L_p(X)$. New criteria for
various convexity properties in Banach spaces are also studied. It is proved
that a Banach lattice $E$ is uniformly monotone if and only if its
$p$-convexification $E^{(p)}$ is uniformly convex and that a K\"othe function
space $E$ is upper locally uniformly monotone if and only if its
$p$-convexification $E^{(p)}$ is midpoint locally uniformly convex.
|
math.FA
|
we study some properties of the randomized series and their applications to the geometric structure of banach spaces for nge 2 and 1pinfty it is shown that ell_inftyn is representable in a banach space x if and only if it is representable in the lebesguebochner l_px new criteria for various convexity properties in banach spaces are also studied it is proved that a banach lattice e is uniformly monotone if and only if its pconvexification ep is uniformly convex and that a kothe function space e is upper locally uniformly monotone if and only if its pconvexification ep is midpoint locally uniformly convex
|
[['we', 'study', 'some', 'properties', 'of', 'the', 'randomized', 'series', 'and', 'their', 'applications', 'to', 'the', 'geometric', 'structure', 'of', 'banach', 'spaces', 'for', 'nge', '2', 'and', '1pinfty', 'it', 'is', 'shown', 'that', 'ell_inftyn', 'is', 'representable', 'in', 'a', 'banach', 'space', 'x', 'if', 'and', 'only', 'if', 'it', 'is', 'representable', 'in', 'the', 'lebesguebochner', 'l_px', 'new', 'criteria', 'for', 'various', 'convexity', 'properties', 'in', 'banach', 'spaces', 'are', 'also', 'studied', 'it', 'is', 'proved', 'that', 'a', 'banach', 'lattice', 'e', 'is', 'uniformly', 'monotone', 'if', 'and', 'only', 'if', 'its', 'pconvexification', 'ep', 'is', 'uniformly', 'convex', 'and', 'that', 'a', 'kothe', 'function', 'space', 'e', 'is', 'upper', 'locally', 'uniformly', 'monotone', 'if', 'and', 'only', 'if', 'its', 'pconvexification', 'ep', 'is', 'midpoint', 'locally', 'uniformly', 'convex']]
|
[-0.10225169017500622, 0.15662278341000327, -0.09237585977955472, 0.10946681146685144, -0.08604381145854102, -0.14677324145571283, -0.007647455019857919, 0.48472356671780936, -0.3899061086006684, -0.072049103506684, 0.16489117247822446, -0.2820476593016324, -0.14730641508640924, 0.20894118480495003, -0.11593495038255017, 0.029382837962792577, 0.05733693961865536, 0.07482332671245578, -0.0948028826814071, -0.3434522728421864, 0.35785965892569266, -0.07326585053014431, 0.1812957064617462, 0.0690515002588474, 0.1355761924325166, 0.02871164306998253, 0.04164460512560488, 0.06335548662735002, -0.1489851156993519, 0.08869197739675494, 0.2802373400225424, 0.1489218501835176, 0.3407465931567557, -0.29926150238676236, -0.15200540122788142, 0.23488749391261007, 0.0583098132951683, -0.10179237283692502, -0.02667705144037004, -0.23983126661122436, 0.15355419385993835, -0.07992619751851157, -0.09244451508626784, -0.1313959918178544, 0.14384925621792233, 0.06643324562735708, -0.346075689980857, -0.02584415456391917, 0.16360476399117177, 0.015315113549690122, -0.10003651602719311, -0.0934457496122116, -0.1233924496423287, 0.023449975563821817, -0.026070529880868918, 0.14081081076027216, 0.0697499570012609, -0.010971737997883027, -0.059197876012266275, 0.3583259449921327, 0.0009993123591388806, -0.2809875757793094, 0.14966122581079455, -0.24467615265915593, -0.13957128415142397, 0.0869265570406719, 0.08881439497270206, 0.2061187175683456, -0.10883378693983789, 0.27157413217787735, -0.14787352258872039, 0.1493820880555852, 0.05710333974404943, 0.06742206294698143, 0.06875431299725972, 0.11069434316884173, 0.20506309456016758, 0.09209594891249838, 0.05207885931347414, -0.02668638712159441, -0.36845260910173455, -0.1503343218292045, -0.23788667342044634, 0.09090661615280822, -0.09372211845117935, -0.1868787200871906, 0.282930106948139, 0.013949825589794039, 0.1577500604222169, 0.08689299729044116, 0.20843874003350882, 0.08668301912891392, -0.02318058111668146, 0.14436475501976687, 0.19843046945009132, 0.18218847420665962, 0.02557128374603125, -0.08399830647458387, 0.04650171631301689, 0.18432544457200584]
|
706.3741
|
Observational Signatures of High-Energy Emission during the Shallow
Decay Phase of GRB X-Ray Afterglows
|
The widely existing shallow decay phase of the X-ray afterglows of gamma-ray
bursts (GRBs) is generally accepted to be due to long-lasting energy injection.
The outflows carrying the injecting energy, based on the component that is
dominative in energy, fall into two possible types: baryon-dominated and
lepton-dominated ones. The former type of outflow could be ejecta that is
ejected during the prompt phase of a GRB and consists of a series of baryonic
shells with a distribution of Lorentz factors, and the latter type could be an
electron-positron-pair wind that is driven by the post-burst central engine. We
here provide a unified description for the dynamics of fireballs based on these
two types of energy injection, and calculate the corresponding high-energy
photon emission by considering synchrotron radiation and inverse Compton
scattering (including synchrotron self-Compton and combined inverse-Compton) of
electrons. We find that, in the two energy-injection models, there is a plateau
(even a hump) in high-energy light curves during the X-ray shallow decay phase.
In particular, a considerable fraction of the injecting energy in the
lepton-dominated model can be shared by the long-lasting reverse shock since it
is relativistic. Furthermore, almost all of the energy of the reverse shock is
carried by leptons, and thus the inverse-Compton emission is enhanced
dramatically. Therefore, this model predicts more significant high-energy
afterglow emission than the baryon-dominated model. We argue that these
observational signatures would be used to discriminate between different
energy-injection models in the upcoming {\em Gamma-ray Large Area Space
Telescope} (GLAST) era.
|
astro-ph
|
the widely existing shallow decay phase of the xray afterglows of gammaray bursts grbs is generally accepted to be due to longlasting energy injection the outflows carrying the injecting energy based on the component that is dominative in energy fall into two possible types baryondominated and leptondominated ones the former type of outflow could be ejecta that is ejected during the prompt phase of a grb and consists of a series of baryonic shells with a distribution of lorentz factors and the latter type could be an electronpositronpair wind that is driven by the postburst central engine we here provide a unified description for the dynamics of fireballs based on these two types of energy injection and calculate the corresponding highenergy photon emission by considering synchrotron radiation and inverse compton scattering including synchrotron selfcompton and combined inversecompton of electrons we find that in the two energyinjection models there is a plateau even a hump in highenergy light curves during the xray shallow decay phase in particular a considerable fraction of the injecting energy in the leptondominated model can be shared by the longlasting reverse shock since it is relativistic furthermore almost all of the energy of the reverse shock is carried by leptons and thus the inversecompton emission is enhanced dramatically therefore this model predicts more significant highenergy afterglow emission than the baryondominated model we argue that these observational signatures would be used to discriminate between different energyinjection models in the upcoming em gammaray large area space telescope glast era
|
[['the', 'widely', 'existing', 'shallow', 'decay', 'phase', 'of', 'the', 'xray', 'afterglows', 'of', 'gammaray', 'bursts', 'grbs', 'is', 'generally', 'accepted', 'to', 'be', 'due', 'to', 'longlasting', 'energy', 'injection', 'the', 'outflows', 'carrying', 'the', 'injecting', 'energy', 'based', 'on', 'the', 'component', 'that', 'is', 'dominative', 'in', 'energy', 'fall', 'into', 'two', 'possible', 'types', 'baryondominated', 'and', 'leptondominated', 'ones', 'the', 'former', 'type', 'of', 'outflow', 'could', 'be', 'ejecta', 'that', 'is', 'ejected', 'during', 'the', 'prompt', 'phase', 'of', 'a', 'grb', 'and', 'consists', 'of', 'a', 'series', 'of', 'baryonic', 'shells', 'with', 'a', 'distribution', 'of', 'lorentz', 'factors', 'and', 'the', 'latter', 'type', 'could', 'be', 'an', 'electronpositronpair', 'wind', 'that', 'is', 'driven', 'by', 'the', 'postburst', 'central', 'engine', 'we', 'here', 'provide', 'a', 'unified', 'description', 'for', 'the', 'dynamics', 'of', 'fireballs', 'based', 'on', 'these', 'two', 'types', 'of', 'energy', 'injection', 'and', 'calculate', 'the', 'corresponding', 'highenergy', 'photon', 'emission', 'by', 'considering', 'synchrotron', 'radiation', 'and', 'inverse', 'compton', 'scattering', 'including', 'synchrotron', 'selfcompton', 'and', 'combined', 'inversecompton', 'of', 'electrons', 'we', 'find', 'that', 'in', 'the', 'two', 'energyinjection', 'models', 'there', 'is', 'a', 'plateau', 'even', 'a', 'hump', 'in', 'highenergy', 'light', 'curves', 'during', 'the', 'xray', 'shallow', 'decay', 'phase', 'in', 'particular', 'a', 'considerable', 'fraction', 'of', 'the', 'injecting', 'energy', 'in', 'the', 'leptondominated', 'model', 'can', 'be', 'shared', 'by', 'the', 'longlasting', 'reverse', 'shock', 'since', 'it', 'is', 'relativistic', 'furthermore', 'almost', 'all', 'of', 'the', 'energy', 'of', 'the', 'reverse', 'shock', 'is', 'carried', 'by', 'leptons', 'and', 'thus', 'the', 'inversecompton', 'emission', 'is', 'enhanced', 'dramatically', 'therefore', 'this', 'model', 'predicts', 'more', 'significant', 'highenergy', 'afterglow', 'emission', 'than', 'the', 'baryondominated', 'model', 'we', 'argue', 'that', 'these', 'observational', 'signatures', 'would', 'be', 'used', 'to', 'discriminate', 'between', 'different', 'energyinjection', 'models', 'in', 'the', 'upcoming', 'em', 'gammaray', 'large', 'area', 'space', 'telescope', 'glast', 'era']]
|
[-0.057673884581308815, 0.21330086293729256, -0.08456739141047001, 0.18218810137314723, -0.08930556801892817, -0.10581080572493375, 0.019803313363343476, 0.4198063223361969, -0.2425862345714122, -0.2939523715823889, 0.03872495466563851, -0.2946747909137048, -0.0024295058995485305, 0.25712737647164613, 0.025693972317501902, -0.04753155241906643, 0.06959915573522449, -0.08749379967607092, -0.024008806225145236, -0.1735092388065532, 0.30853047207463535, 0.12048147085495294, 0.23123385683598463, 0.0446253523286432, 0.05706653185002506, -0.04070357833430171, -0.03259724638517946, -0.020268229862791486, -0.054594706055504504, 0.054997927248477935, 0.20479647537416895, 0.12134392802976071, 0.18367767330631612, -0.44552056418638675, -0.2816908473372459, 0.14741688979044557, 0.15317278099711984, 0.03213958328031003, -0.052555681080848446, -0.2518953912053257, 0.022682001600041985, -0.22314945720415563, -0.126868710687384, 0.03281629196833819, 0.01665290052443743, 0.033730551555752754, -0.21363083855807782, 0.11309425719128921, 0.04443939654016867, -0.017609308736398818, -0.09719133602641523, -0.017669042667374017, -0.022993467645253986, 0.02150634513795376, 0.10376365178683773, 0.04051120795495808, 0.1463148520574905, -0.1585076838149689, -0.09529539766139351, 0.4059694633558393, -0.048981114366382826, -0.026452968229539693, 0.1806141131138429, -0.17752385395392775, -0.13193823000509292, 0.22706547831371426, 0.14327076005749403, 0.05805123161431402, -0.14902728402800858, 0.014246121896663681, -0.003555496950633824, 0.1645015602596104, 0.03492473391443491, 0.022832147968932986, 0.28546170591562986, 0.1566341569684446, -0.01837244638428092, 0.1362700567971915, -0.19466501512192189, -0.018591166249709204, -0.31799778831750153, -0.1223350764401257, -0.15705927729653194, 0.10617905024811626, -0.081256516994501, -0.117389885739889, 0.4037690471354872, 0.09198141457606107, 0.1728068706691265, -0.02160039385035634, 0.31090052696317433, 0.12842799096694216, 0.06126221108622849, 0.1456506330277771, 0.3506349040027708, 0.08842934033647179, 0.1135187950427644, -0.21694602467492222, 0.09774892723560333, 0.01943369143642485]
|
706.3742
|
The Bloch-Okounkov correlation functions of negative levels
|
Bloch and Okounkov introduced an $n$-point correlation function on the
fermionic Fock space and found a closed formula in terms of theta functions.
This function affords several distinguished interpretations and in particular
can be formulated as correlation functions on irreducible
$\hat{gl}_\infty$-modules of level one. These correlation functions have been
generalized for irreducible integrable modules of $\hat{gl}_\infty$ and its
classical Lie subalgebras of positive levels by the authors. In this paper we
extend further these results and compute the correlation functions as well as
the $q$-dimensions for modules of $\hat{gl}_\infty$ and its classical
subalgebras at negative levels.
|
math.RT
|
bloch and okounkov introduced an npoint correlation function on the fermionic fock space and found a closed formula in terms of theta functions this function affords several distinguished interpretations and in particular can be formulated as correlation functions on irreducible hatgl_inftymodules of level one these correlation functions have been generalized for irreducible integrable modules of hatgl_infty and its classical lie subalgebras of positive levels by the authors in this paper we extend further these results and compute the correlation functions as well as the qdimensions for modules of hatgl_infty and its classical subalgebras at negative levels
|
[['bloch', 'and', 'okounkov', 'introduced', 'an', 'npoint', 'correlation', 'function', 'on', 'the', 'fermionic', 'fock', 'space', 'and', 'found', 'a', 'closed', 'formula', 'in', 'terms', 'of', 'theta', 'functions', 'this', 'function', 'affords', 'several', 'distinguished', 'interpretations', 'and', 'in', 'particular', 'can', 'be', 'formulated', 'as', 'correlation', 'functions', 'on', 'irreducible', 'hatgl_inftymodules', 'of', 'level', 'one', 'these', 'correlation', 'functions', 'have', 'been', 'generalized', 'for', 'irreducible', 'integrable', 'modules', 'of', 'hatgl_infty', 'and', 'its', 'classical', 'lie', 'subalgebras', 'of', 'positive', 'levels', 'by', 'the', 'authors', 'in', 'this', 'paper', 'we', 'extend', 'further', 'these', 'results', 'and', 'compute', 'the', 'correlation', 'functions', 'as', 'well', 'as', 'the', 'qdimensions', 'for', 'modules', 'of', 'hatgl_infty', 'and', 'its', 'classical', 'subalgebras', 'at', 'negative', 'levels']]
|
[-0.11207105893321255, 0.08954760345260447, -0.0811391295815107, 0.13146413271615823, -0.013606991899269883, -0.08518580201592657, -0.008488650712865574, 0.342380051170626, -0.2841671894014042, -0.2311502524003166, 0.08497363592182557, -0.2579943663490716, -0.20232474498991523, 0.19381270803991826, -0.032966735372219676, 0.050212712817004214, 0.01810423034663883, 0.052971427048486404, -0.15499536538877154, -0.2660393505407277, 0.40429189572766705, 0.01529417955441781, 0.2317505629923475, 0.10380878469716477, 0.15629972754827431, 0.05099310303327217, -0.027454511012120913, -0.010528671335221158, -0.11232757273597031, 0.11930535999076661, 0.3057722264640434, 0.09499529040899247, 0.22665749067660942, -0.37670190011461574, -0.14620842580102705, 0.1457773774301493, 0.18100077898732275, 0.0018114365877643708, 0.03593122031569721, -0.27341566000494266, 0.013343868511779013, -0.2193107860693608, -0.13616691015520563, -0.12058355834495316, 0.05325606948025124, 0.04594530131147113, -0.2392181299967311, 0.07776836267301954, 0.05139537967906724, 0.08853844649368717, -0.10774414116574291, -0.17845353872705533, -0.03267054006166916, 0.13088378666709827, -0.009255944525883082, 0.054228600200017796, 0.07022902991006812, -0.12212205439385387, -0.17494568947492348, 0.30794737528588983, -0.052478817566948874, -0.3059214867891804, 0.17187933814060943, -0.19531431167777027, -0.1415370341830997, 0.05021298696757645, 0.11948909042703529, 0.1094248302741557, -0.09382610243741393, 0.1421135861729522, -0.07823352182223912, 0.03538384921448205, 0.10632725677863565, 0.07581509383375286, 0.17927213473826326, 0.02753439740658367, 0.026558670366773764, 0.17600475371970484, 0.01648859191505659, -0.0407984209790205, -0.335130637511611, -0.18982139400016235, -0.16705031525744227, 0.053466884088852716, -0.07628558361708808, -0.1771675751454407, 0.46179480875231405, 0.06157307871942839, 0.18605875680523534, 0.11774221711581753, 0.20441598879043213, 0.18393800952859843, 0.10994123189800209, -0.0021298886251746004, 0.17156353705782965, 0.18380773260498479, 0.0035891396203829398, -0.15999030510103832, 0.014257100676136312, 0.13795885030100102]
|
706.3743
|
Dynamical Response of Nanomechanical Resonators to Biomolecular
Interactions
|
We studied the dynamical response of a nanomechanical resonator to
biomolecular (e.g. DNA) adsorptions on a resonator's surface by using a
theoretical model, which considers the Hamiltonian H such that the potential
energy consists of elastic bending energy of a resonator and the potential
energy for biomolecular interactions. It was shown that the resonant frequency
shift of a resonator due to biomolecular adsorption depends on not only the
mass of adsorbed biomolecules but also the biomolecular interactions.
Specifically, for dsDNA adsorption on a resonator's surface, the resonant
frequency shift is also dependent on the ionic strength of a solvent, implying
the role of molecular interactions on the dynamic behavior of a resonator. This
indicates that nanomechanical resonators may enable one to quantify the
biomolecular mass, implying the enumeration of biomolecules, as well as gain
insight into intermolecular interactions between adsorbed biomolecules on the
surface.
|
cond-mat.soft q-bio.QM
|
we studied the dynamical response of a nanomechanical resonator to biomolecular eg dna adsorptions on a resonators surface by using a theoretical model which considers the hamiltonian h such that the potential energy consists of elastic bending energy of a resonator and the potential energy for biomolecular interactions it was shown that the resonant frequency shift of a resonator due to biomolecular adsorption depends on not only the mass of adsorbed biomolecules but also the biomolecular interactions specifically for dsdna adsorption on a resonators surface the resonant frequency shift is also dependent on the ionic strength of a solvent implying the role of molecular interactions on the dynamic behavior of a resonator this indicates that nanomechanical resonators may enable one to quantify the biomolecular mass implying the enumeration of biomolecules as well as gain insight into intermolecular interactions between adsorbed biomolecules on the surface
|
[['we', 'studied', 'the', 'dynamical', 'response', 'of', 'a', 'nanomechanical', 'resonator', 'to', 'biomolecular', 'eg', 'dna', 'adsorptions', 'on', 'a', 'resonators', 'surface', 'by', 'using', 'a', 'theoretical', 'model', 'which', 'considers', 'the', 'hamiltonian', 'h', 'such', 'that', 'the', 'potential', 'energy', 'consists', 'of', 'elastic', 'bending', 'energy', 'of', 'a', 'resonator', 'and', 'the', 'potential', 'energy', 'for', 'biomolecular', 'interactions', 'it', 'was', 'shown', 'that', 'the', 'resonant', 'frequency', 'shift', 'of', 'a', 'resonator', 'due', 'to', 'biomolecular', 'adsorption', 'depends', 'on', 'not', 'only', 'the', 'mass', 'of', 'adsorbed', 'biomolecules', 'but', 'also', 'the', 'biomolecular', 'interactions', 'specifically', 'for', 'dsdna', 'adsorption', 'on', 'a', 'resonators', 'surface', 'the', 'resonant', 'frequency', 'shift', 'is', 'also', 'dependent', 'on', 'the', 'ionic', 'strength', 'of', 'a', 'solvent', 'implying', 'the', 'role', 'of', 'molecular', 'interactions', 'on', 'the', 'dynamic', 'behavior', 'of', 'a', 'resonator', 'this', 'indicates', 'that', 'nanomechanical', 'resonators', 'may', 'enable', 'one', 'to', 'quantify', 'the', 'biomolecular', 'mass', 'implying', 'the', 'enumeration', 'of', 'biomolecules', 'as', 'well', 'as', 'gain', 'insight', 'into', 'intermolecular', 'interactions', 'between', 'adsorbed', 'biomolecules', 'on', 'the', 'surface']]
|
[-0.15237953547249264, 0.17136370695273703, -0.04161174446441388, 0.014756351316464134, -0.03050910989339981, -0.1552256667063274, 0.06108448749485736, 0.38128650343666476, -0.23602595215197653, -0.28095747822792166, -0.03028593292563326, -0.269872268791207, -0.1760497010093079, 0.21908141081318414, 0.02999103730932499, 0.03197462341955139, 0.07714751922887647, 0.02495989975027947, 0.032456377881721385, -0.12091802132959452, 0.25861459232530454, 0.08878028267968653, 0.26917965798121357, 0.17103934573404128, 0.10802927421496457, 0.0013845789815402692, 0.08560948905425095, -0.001558404519326157, -0.17025472315188178, 0.1534626874037915, 0.235629846489044, -0.04727023510753901, 0.26976305135758594, -0.46265339410294676, -0.2527634730342672, 0.06123399775242433, 0.15076798918370413, 0.160820611030633, -0.035170055212802254, -0.23499490730238096, -0.01850244155179502, -0.11779808766247395, -0.06395596905106989, -0.06971955224192546, 0.019156679931458913, 0.09169487242373482, -0.21049854631160592, 0.07407531943358157, 0.05648400515828042, 0.07693827235683177, -0.09154861843287815, -0.0764215177397192, -0.07596799005275695, 0.07916241129108433, 0.007538575301522441, -0.02461619996110029, 0.3070275739236321, -0.10781238027427914, -0.054271368058430705, 0.4379306358831754, -0.04873572586398546, -0.19734547522643375, 0.22914760288484912, -0.09432620421608186, -0.08594041640430482, 0.1750403369854515, 0.16403518647550502, 0.056295385856982544, -0.1559123901647076, 0.062487558519529154, 0.03644038595747487, 0.26120477844637613, 0.1285332260821532, 0.05790096792366563, 0.2425614507293277, 0.23774082937355465, 0.0571463489646299, 0.15513014239776465, -0.09065042231506798, -0.061703092189014166, -0.19823749282699688, -0.16200452279170147, -0.23915604036301374, 0.08137067022562405, -0.08461715352667751, -0.22531056195596952, 0.4136236885096878, 0.05763070611687403, 0.17805599883366893, -0.01938769265204125, 0.27084887132190893, 0.04420043335590486, 0.09448503402786122, -0.06823004767001192, 0.28464879237839746, 0.16984821752541596, 0.06376788300177497, -0.362758880144813, 0.053992901304607384, 0.015347085590797683]
|
706.3744
|
The Imprint of Cosmic Reionization on Galaxy Clustering
|
We consider the effect of reionization on the clustering properties of galaxy
samples at intermediate redshifts (z~0.3-5.5). Current models for the
reionization of intergalactic hydrogen predict that overdense regions will be
reionized early, thus delaying the build up of stellar mass in the progenitors
of massive lower-redshift galaxies. As a result, the stellar populations
observed in intermediate redshift galaxies are somewhat younger and hence
brighter in overdense regions of the Universe. Galaxy surveys would therefore
be sensitive to galaxies with a somewhat lower dark matter mass in overdense
regions. The corresponding increase in the observed number density of galaxies
can be parameterized as a galaxy bias due to reionization. We model this
process using merger trees combined with a stellar synthesis code. Our model
demonstrates that reionization has a significant effect on the clustering
properties of galaxy samples that are selected based on their star-formation
properties. The bias correction in Lyman-break galaxies (including those in
proposed baryonic oscillation surveys at z<1) is at the level of 10-20% for a
halo mass of 10^12 solar masses, leading to corrections factors of 1.5-2 in the
halo mass inferred from measurements of clustering length. The reionization of
helium could also lead to a sharp increase in the amplitude of the galaxy
correlation function at z~3. We find that the reionization bias is
approximately independent of scale and halo mass. However since the traditional
galaxy bias is mass dependent, the reionization bias becomes relatively more
important for lower mass systems. The correction to the bias due to
reionization is very small in surveys of luminous red galaxies at z<1.
|
astro-ph
|
we consider the effect of reionization on the clustering properties of galaxy samples at intermediate redshifts z0355 current models for the reionization of intergalactic hydrogen predict that overdense regions will be reionized early thus delaying the build up of stellar mass in the progenitors of massive lowerredshift galaxies as a result the stellar populations observed in intermediate redshift galaxies are somewhat younger and hence brighter in overdense regions of the universe galaxy surveys would therefore be sensitive to galaxies with a somewhat lower dark matter mass in overdense regions the corresponding increase in the observed number density of galaxies can be parameterized as a galaxy bias due to reionization we model this process using merger trees combined with a stellar synthesis code our model demonstrates that reionization has a significant effect on the clustering properties of galaxy samples that are selected based on their starformation properties the bias correction in lymanbreak galaxies including those in proposed baryonic oscillation surveys at z1 is at the level of 1020 for a halo mass of 1012 solar masses leading to corrections factors of 152 in the halo mass inferred from measurements of clustering length the reionization of helium could also lead to a sharp increase in the amplitude of the galaxy correlation function at z3 we find that the reionization bias is approximately independent of scale and halo mass however since the traditional galaxy bias is mass dependent the reionization bias becomes relatively more important for lower mass systems the correction to the bias due to reionization is very small in surveys of luminous red galaxies at z1
|
[['we', 'consider', 'the', 'effect', 'of', 'reionization', 'on', 'the', 'clustering', 'properties', 'of', 'galaxy', 'samples', 'at', 'intermediate', 'redshifts', 'z0355', 'current', 'models', 'for', 'the', 'reionization', 'of', 'intergalactic', 'hydrogen', 'predict', 'that', 'overdense', 'regions', 'will', 'be', 'reionized', 'early', 'thus', 'delaying', 'the', 'build', 'up', 'of', 'stellar', 'mass', 'in', 'the', 'progenitors', 'of', 'massive', 'lowerredshift', 'galaxies', 'as', 'a', 'result', 'the', 'stellar', 'populations', 'observed', 'in', 'intermediate', 'redshift', 'galaxies', 'are', 'somewhat', 'younger', 'and', 'hence', 'brighter', 'in', 'overdense', 'regions', 'of', 'the', 'universe', 'galaxy', 'surveys', 'would', 'therefore', 'be', 'sensitive', 'to', 'galaxies', 'with', 'a', 'somewhat', 'lower', 'dark', 'matter', 'mass', 'in', 'overdense', 'regions', 'the', 'corresponding', 'increase', 'in', 'the', 'observed', 'number', 'density', 'of', 'galaxies', 'can', 'be', 'parameterized', 'as', 'a', 'galaxy', 'bias', 'due', 'to', 'reionization', 'we', 'model', 'this', 'process', 'using', 'merger', 'trees', 'combined', 'with', 'a', 'stellar', 'synthesis', 'code', 'our', 'model', 'demonstrates', 'that', 'reionization', 'has', 'a', 'significant', 'effect', 'on', 'the', 'clustering', 'properties', 'of', 'galaxy', 'samples', 'that', 'are', 'selected', 'based', 'on', 'their', 'starformation', 'properties', 'the', 'bias', 'correction', 'in', 'lymanbreak', 'galaxies', 'including', 'those', 'in', 'proposed', 'baryonic', 'oscillation', 'surveys', 'at', 'z1', 'is', 'at', 'the', 'level', 'of', '1020', 'for', 'a', 'halo', 'mass', 'of', '1012', 'solar', 'masses', 'leading', 'to', 'corrections', 'factors', 'of', '152', 'in', 'the', 'halo', 'mass', 'inferred', 'from', 'measurements', 'of', 'clustering', 'length', 'the', 'reionization', 'of', 'helium', 'could', 'also', 'lead', 'to', 'a', 'sharp', 'increase', 'in', 'the', 'amplitude', 'of', 'the', 'galaxy', 'correlation', 'function', 'at', 'z3', 'we', 'find', 'that', 'the', 'reionization', 'bias', 'is', 'approximately', 'independent', 'of', 'scale', 'and', 'halo', 'mass', 'however', 'since', 'the', 'traditional', 'galaxy', 'bias', 'is', 'mass', 'dependent', 'the', 'reionization', 'bias', 'becomes', 'relatively', 'more', 'important', 'for', 'lower', 'mass', 'systems', 'the', 'correction', 'to', 'the', 'bias', 'due', 'to', 'reionization', 'is', 'very', 'small', 'in', 'surveys', 'of', 'luminous', 'red', 'galaxies', 'at', 'z1']]
|
[-0.042135162266442254, 0.14297835973124937, -0.0801755626435448, 0.1560196950350735, -0.09658218066165732, -0.018399384393970566, 0.02478087905513927, 0.41690932794925617, -0.10725891779205113, -0.36854180958383065, 0.0187261793996158, -0.28899482300392154, 0.0023041001528106403, 0.19613323187413148, 0.0016893251396884973, -0.04397223619338492, 0.026524436739044067, -0.0882223135629443, -0.04966650820802677, -0.353265368051132, 0.32085971640789823, 0.12644412118243054, 0.1747591590233655, -0.030709197416647592, 0.05889298735807339, -0.1331363080711471, -0.10940687225912839, -0.02567493626459812, -0.16565236065126196, -0.02677428646535246, 0.2674549235113056, 0.12553658805344722, 0.2620041417495954, -0.3369040068796356, -0.19464122643606088, 0.1145454935847352, 0.23848330415785313, 0.12340463736979997, -0.11769038719235554, -0.2518423922098891, 0.06539334548781908, -0.17365539084791884, -0.1280328268414561, 0.10495017863683063, 0.004407200826487194, 0.004519059650412986, -0.23919326684148418, 0.22889014337620625, -0.009549464905197083, 0.023150944165095236, -0.03899542861230051, -0.09301695519499129, -0.08156884122449397, 0.06326443879229235, 0.015131337078139151, 0.07296504315386163, 0.2583319064512828, -0.22251037298966284, 0.022018034960307308, 0.41795396120428585, -0.06964648074724457, 0.00572285472034392, 0.19066898655375664, -0.22277962605144377, -0.20691616074922917, 0.11286256244233245, 0.2006689781379519, 0.05888142648384956, -0.1416013401467353, 0.02236789023586563, 0.030179792664333065, 0.23087270912417973, 0.03582898558075116, 0.049024234630258325, 0.33455760447858746, 0.12977919055000794, 0.09452000674729899, 0.05551768348210096, -0.15488169352598066, 0.033253171800452314, -0.2056846311703945, -0.055570505376002104, -0.13767806310418315, 0.10778705993663718, -0.17765583579283417, -0.15193076123956195, 0.36733321425995336, 0.16696207714796235, 0.2608831881212113, 0.11667991963468287, 0.32749022567066166, 0.09303075953115088, 0.14615496614538698, 0.0545895958793787, 0.3033376019218739, 0.17914575851428902, 0.03597069884100082, -0.2385829292355938, 0.1013145652889789, -0.016847455054768503]
|
706.3745
|
Gale duality for complete intersections
|
We show that every complete intersection of Laurent polynomials in an
algebraic torus is isomorphic to a complete intersection of master functions in
the complement of a hyperplane arrangement, and vice versa. We call this
association Gale duality because the exponents of the monomials in the
polynomials annihilate the weights of the master functions. We use Gale duality
to give a Kouchnirenko theorem for the number of solutions to a system of
master functions and to compute some topological invariants of generic master
function complete intersections.
|
math.AG math.AC
|
we show that every complete intersection of laurent polynomials in an algebraic torus is isomorphic to a complete intersection of master functions in the complement of a hyperplane arrangement and vice versa we call this association gale duality because the exponents of the monomials in the polynomials annihilate the weights of the master functions we use gale duality to give a kouchnirenko theorem for the number of solutions to a system of master functions and to compute some topological invariants of generic master function complete intersections
|
[['we', 'show', 'that', 'every', 'complete', 'intersection', 'of', 'laurent', 'polynomials', 'in', 'an', 'algebraic', 'torus', 'is', 'isomorphic', 'to', 'a', 'complete', 'intersection', 'of', 'master', 'functions', 'in', 'the', 'complement', 'of', 'a', 'hyperplane', 'arrangement', 'and', 'vice', 'versa', 'we', 'call', 'this', 'association', 'gale', 'duality', 'because', 'the', 'exponents', 'of', 'the', 'monomials', 'in', 'the', 'polynomials', 'annihilate', 'the', 'weights', 'of', 'the', 'master', 'functions', 'we', 'use', 'gale', 'duality', 'to', 'give', 'a', 'kouchnirenko', 'theorem', 'for', 'the', 'number', 'of', 'solutions', 'to', 'a', 'system', 'of', 'master', 'functions', 'and', 'to', 'compute', 'some', 'topological', 'invariants', 'of', 'generic', 'master', 'function', 'complete', 'intersections']]
|
[-0.2089789160960462, 0.031925364729283694, -0.15223474144870633, 0.09666241853847168, -0.1068384105686185, -0.11539499435660451, 0.08363444138274984, 0.2682798860424068, -0.3294628453982431, -0.1548005327863922, 0.07633087101939329, -0.2622265686595076, -0.1946456666905866, 0.16119238461346128, -0.13665926494354078, -0.007153046685595845, 0.041375459231392936, 0.04191226133031684, -0.108789665504023, -0.2993513008059804, 0.35237846159657765, -0.06073595182753579, 0.20557016524118046, 0.07804816566017825, 0.11398933238727528, 0.040758715823379366, 0.0046849538149788626, -0.03672563816355758, -0.16675573270160468, 0.12033955287188292, 0.2712977316046437, 0.173194499967923, 0.1896429570448628, -0.39855600328578583, -0.06620508849317598, 0.18989983147963188, 0.1529392108434898, 0.044531630547067456, 0.017685565669739316, -0.2155839708568745, 0.064714745309767, -0.14739702971175658, -0.2325867559046073, -0.08133405280234508, 0.05384916732585881, 0.06715794254180997, -0.2675251781637239, -0.020850294475378686, 0.0533762376885428, 0.10375336039984642, -0.03972437039970658, -0.07048761778846817, -0.07049082746447692, 0.07277284891799439, -0.07794320259817204, 0.0492860093593684, 0.06958994842716493, -0.15044629234593188, -0.17073125017503665, 0.33121732063050013, -0.005614861226329299, -0.2649665257140864, 0.14736861541737303, -0.1789137246195487, -0.1777690883054463, 0.13281415171141542, 0.11450150989261347, 0.1594562333180071, -0.09392116336845034, 0.12103478340188388, -0.12164302321887294, 0.049604557034949405, 0.11083386008909275, 0.01129828973640796, 0.16042752662500323, 0.02921710011744222, 0.06374588673717754, 0.23239497408314153, 0.059201059624725993, -0.07807755711499255, -0.3660418396858975, -0.22419979852667554, -0.16569191608902847, 0.09475279408290463, -0.1327605473448192, -0.2042328308574682, 0.442206877218776, 0.0832583736628294, 0.20430916569433932, 0.1127879425993617, 0.22897354091874994, 0.13084277336290756, 0.04864820414547657, 0.07061453102438082, 0.1395101415302718, 0.196109926319941, 0.021877509824725864, -0.15647930060080145, -0.025089034594075625, 0.2400171966616844]
|
706.3746
|
Nonrelativistic conformal field theories
|
We study representations of the Schr\"odinger algebra in terms of operators
in nonrelativistic conformal field theories. We prove a correspondence between
primary operators and eigenstates of few-body systems in a harmonic potential.
Using the correspondence we compute analytically the energy of fermions at
unitarity in a harmonic potential near two and four spatial dimensions. We also
compute the energy of anyons in a harmonic potential near the bosonic and
fermionic limits.
|
hep-th cond-mat.other hep-ph
|
we study representations of the schrodinger algebra in terms of operators in nonrelativistic conformal field theories we prove a correspondence between primary operators and eigenstates of fewbody systems in a harmonic potential using the correspondence we compute analytically the energy of fermions at unitarity in a harmonic potential near two and four spatial dimensions we also compute the energy of anyons in a harmonic potential near the bosonic and fermionic limits
|
[['we', 'study', 'representations', 'of', 'the', 'schrodinger', 'algebra', 'in', 'terms', 'of', 'operators', 'in', 'nonrelativistic', 'conformal', 'field', 'theories', 'we', 'prove', 'a', 'correspondence', 'between', 'primary', 'operators', 'and', 'eigenstates', 'of', 'fewbody', 'systems', 'in', 'a', 'harmonic', 'potential', 'using', 'the', 'correspondence', 'we', 'compute', 'analytically', 'the', 'energy', 'of', 'fermions', 'at', 'unitarity', 'in', 'a', 'harmonic', 'potential', 'near', 'two', 'and', 'four', 'spatial', 'dimensions', 'we', 'also', 'compute', 'the', 'energy', 'of', 'anyons', 'in', 'a', 'harmonic', 'potential', 'near', 'the', 'bosonic', 'and', 'fermionic', 'limits']]
|
[-0.16472333697208635, 0.16513547007466706, -0.07119635065597757, 0.0900473114706471, 0.033048207091141334, -0.12442823850982626, 0.016590297930467297, 0.3279373529301563, -0.20552862383110423, -0.2032575897947667, 0.018220300928846946, -0.3232080326530374, -0.16099818582764605, 0.14723033133999142, 0.02619364527119717, 0.072684163861403, 0.01957782768500103, 0.10738503421381326, -0.14288657977127692, -0.1921096978787805, 0.37265139309243417, -0.009185065554691032, 0.21659552814884925, 0.13978815073488463, 0.08603004985292192, 0.02038695146395287, 0.03027586833062306, -0.05372649465989269, -0.107100154843811, 0.1604006644076025, 0.23068609405768065, -0.0005256536885650015, 0.19086117046544146, -0.4434662549428537, -0.1783830986528749, 0.15275281943170957, 0.18639957967778326, 0.12418425851829455, -0.0191495734280054, -0.2881047205710915, -0.016920084894542962, -0.18831669293921177, -0.20921684284760078, -0.11249540184795016, 0.003580532438436549, -0.01135960620709918, -0.24363022601612333, 0.10487165842426639, 0.024382319117725735, 0.10398067230962112, -0.13151080923689476, -0.02070469518100292, -0.03414167823847121, 0.08020541588710227, -0.002610217364889022, -0.028655868525367598, 0.07301927378899614, -0.21628447664035877, -0.14726193323337905, 0.3799275911714829, -0.11111272753439319, -0.25867693246880047, 0.1982879494382462, -0.1899973704007415, -0.15605009294731517, 0.021305887054809382, 0.16800076674512573, 0.10090073734574334, -0.1523725639005572, 0.2141045171113252, -0.024777205857697507, 0.08514346525197665, 0.11724315653227164, 0.06831267224231237, 0.25990094317936563, 0.050556631050479243, 0.05389816386126716, 0.18107576248511462, -0.04055609260226639, -0.13629383832531075, -0.3602903945056695, -0.19445473376766476, -0.20799675209670734, 0.03104814717506754, -0.10001758602714252, -0.13205901152965888, 0.46672209331267317, 0.14036541056559376, 0.17639196399127094, 0.047560972027139554, 0.22198862912999073, 0.19950576016390828, 0.06553423402070159, 0.05427496256569112, 0.24613272328533128, 0.19308466692520698, 0.06918671363013679, -0.24916268300107666, -0.23527440508093003, 0.1782475315480375]
|
706.3747
|
Superconductors described with CSM.(a new paper, 2008-10-16)
|
The properties of the known superconductors can be explained with the
correlations dominated superconducting mechanism (CSM). The correlations have
the spin correlation, the charge correlation and the spin-charge correlation,
and their strengths can be described by the related correlation lengths in
their correlation functions. Our evaluation from many superconductors is that
superconductivities occur if both the spin correlation and the charge
correlation are stronger, and the calculation of a Hubbard model showed that
the spin-charge correlation may govern superconductivities1. Afterwards, this
mechanism has led a model which includes various superconductivities and
magnetisms, and the relation between superconductivities and magnetisms can be
understood on this model2 (these results have been shown by calculations). This
mechanism is very practical, for example, to turn a material into a
superconductor or increase the Tc of a superconductor, what we will do is to
increase the spin-charge correlation. In this letter, we first describe the
relations between the spin-charge correlation, the spin correlation and the
charge correlation, take these relations as the basis of constructing a new
phase diagram, and then classify the known superconductors into various
sections in this phase diagram. This letter also gives a new explanation about
the pressure effect on Tc, the isotope effect on Tc and the pairing symmetry
with the CSM.
|
physics.gen-ph
|
the properties of the known superconductors can be explained with the correlations dominated superconducting mechanism csm the correlations have the spin correlation the charge correlation and the spincharge correlation and their strengths can be described by the related correlation lengths in their correlation functions our evaluation from many superconductors is that superconductivities occur if both the spin correlation and the charge correlation are stronger and the calculation of a hubbard model showed that the spincharge correlation may govern superconductivities1 afterwards this mechanism has led a model which includes various superconductivities and magnetisms and the relation between superconductivities and magnetisms can be understood on this model2 these results have been shown by calculations this mechanism is very practical for example to turn a material into a superconductor or increase the tc of a superconductor what we will do is to increase the spincharge correlation in this letter we first describe the relations between the spincharge correlation the spin correlation and the charge correlation take these relations as the basis of constructing a new phase diagram and then classify the known superconductors into various sections in this phase diagram this letter also gives a new explanation about the pressure effect on tc the isotope effect on tc and the pairing symmetry with the csm
|
[['the', 'properties', 'of', 'the', 'known', 'superconductors', 'can', 'be', 'explained', 'with', 'the', 'correlations', 'dominated', 'superconducting', 'mechanism', 'csm', 'the', 'correlations', 'have', 'the', 'spin', 'correlation', 'the', 'charge', 'correlation', 'and', 'the', 'spincharge', 'correlation', 'and', 'their', 'strengths', 'can', 'be', 'described', 'by', 'the', 'related', 'correlation', 'lengths', 'in', 'their', 'correlation', 'functions', 'our', 'evaluation', 'from', 'many', 'superconductors', 'is', 'that', 'superconductivities', 'occur', 'if', 'both', 'the', 'spin', 'correlation', 'and', 'the', 'charge', 'correlation', 'are', 'stronger', 'and', 'the', 'calculation', 'of', 'a', 'hubbard', 'model', 'showed', 'that', 'the', 'spincharge', 'correlation', 'may', 'govern', 'superconductivities1', 'afterwards', 'this', 'mechanism', 'has', 'led', 'a', 'model', 'which', 'includes', 'various', 'superconductivities', 'and', 'magnetisms', 'and', 'the', 'relation', 'between', 'superconductivities', 'and', 'magnetisms', 'can', 'be', 'understood', 'on', 'this', 'model2', 'these', 'results', 'have', 'been', 'shown', 'by', 'calculations', 'this', 'mechanism', 'is', 'very', 'practical', 'for', 'example', 'to', 'turn', 'a', 'material', 'into', 'a', 'superconductor', 'or', 'increase', 'the', 'tc', 'of', 'a', 'superconductor', 'what', 'we', 'will', 'do', 'is', 'to', 'increase', 'the', 'spincharge', 'correlation', 'in', 'this', 'letter', 'we', 'first', 'describe', 'the', 'relations', 'between', 'the', 'spincharge', 'correlation', 'the', 'spin', 'correlation', 'and', 'the', 'charge', 'correlation', 'take', 'these', 'relations', 'as', 'the', 'basis', 'of', 'constructing', 'a', 'new', 'phase', 'diagram', 'and', 'then', 'classify', 'the', 'known', 'superconductors', 'into', 'various', 'sections', 'in', 'this', 'phase', 'diagram', 'this', 'letter', 'also', 'gives', 'a', 'new', 'explanation', 'about', 'the', 'pressure', 'effect', 'on', 'tc', 'the', 'isotope', 'effect', 'on', 'tc', 'and', 'the', 'pairing', 'symmetry', 'with', 'the', 'csm']]
|
[-0.1602350632903956, 0.1813313871670638, -0.10881275140296368, 0.1269114870226046, -0.043848390050973934, -0.11595453983349328, 0.058964803285225874, 0.37974205916809245, -0.24133292938719428, -0.28881038270308085, 0.009213538999863463, -0.30891672375069057, -0.1686196092006384, 0.1619620910954388, 0.05593443818178505, -0.012235370824351836, -0.05183977593107246, -0.011299428234309381, -0.15616778426878683, -0.2082240047326126, 0.33082006818292686, 0.029207005381796033, 0.29847215167886765, 0.14171143693483096, 0.03514689196704476, -0.018508270292397218, 0.03152626225949923, 0.04990072274951361, -0.11166174950165579, 0.0657554671148465, 0.23579551712433275, 0.018027377037896433, 0.1740838267544717, -0.41027484866856684, -0.21679127075095878, 0.06912162659085086, 0.15860419878868554, 0.12640579077646896, -0.046105580124673015, -0.2604732602079933, 0.02646919920151144, -0.21738940560793002, -0.07086022517983735, -0.09506778708787114, 0.012487629613887642, 0.002118650881211622, -0.2460307954563384, 0.09072654126794077, 0.09644497418362356, 0.05161316497209322, -0.05000243910866397, -0.11016312520509648, -0.03785534745514817, 0.08554462974524717, 0.0701742619033285, 0.060978199167715574, 0.08293126115047977, -0.12398777966347846, -0.0933428817854585, 0.3381360648817855, -0.012203966686722792, -0.14037038643636976, 0.18539747109159968, -0.14591128063074785, -0.09379611614406312, 0.1012287951180473, 0.11962208147789682, 0.05713547489239494, -0.17063628826500027, 0.0386560348395859, -0.05242514297679526, 0.18653309380114785, 0.007867148938319553, 0.10559438298328369, 0.26335953281954, 0.1579183299145198, -0.01327421619933125, 0.12829226728195492, -0.10943069234346944, -0.06161536836237492, -0.2731558694956621, -0.18008073584410533, -0.1763380805176122, 0.02921473186008491, -0.06544643297713687, -0.13305865357543334, 0.4128953120251897, 0.1749113467372998, 0.213985553477925, -0.009730349544775606, 0.2029408258010779, 0.1441052865073685, 0.11898398080576428, 0.0074853925188888585, 0.27603495903688335, 0.16307157461456426, 0.10839253561836071, -0.2895588798865552, 0.12143376787188706, 0.05873197575554393]
|
706.3748
|
On Monge-Ampere equations with homogeneous right hand side
|
We study the regularity and behavior at the origin of solutions to the
two-dimensional degenerate Monge-Ampere equation with homogeneous right hand
side of degree alpha, alpha>-2. We show that when alpha > 0, solutions admit
only two possible behaviors near the origin, radial and non-radial. We also
show that the radial behavior is unstable. For alpha<0 we prove that solutions
admit only the radial behavior near the origin.
|
math.AP
|
we study the regularity and behavior at the origin of solutions to the twodimensional degenerate mongeampere equation with homogeneous right hand side of degree alpha alpha2 we show that when alpha 0 solutions admit only two possible behaviors near the origin radial and nonradial we also show that the radial behavior is unstable for alpha0 we prove that solutions admit only the radial behavior near the origin
|
[['we', 'study', 'the', 'regularity', 'and', 'behavior', 'at', 'the', 'origin', 'of', 'solutions', 'to', 'the', 'twodimensional', 'degenerate', 'mongeampere', 'equation', 'with', 'homogeneous', 'right', 'hand', 'side', 'of', 'degree', 'alpha', 'alpha2', 'we', 'show', 'that', 'when', 'alpha', '0', 'solutions', 'admit', 'only', 'two', 'possible', 'behaviors', 'near', 'the', 'origin', 'radial', 'and', 'nonradial', 'we', 'also', 'show', 'that', 'the', 'radial', 'behavior', 'is', 'unstable', 'for', 'alpha0', 'we', 'prove', 'that', 'solutions', 'admit', 'only', 'the', 'radial', 'behavior', 'near', 'the', 'origin']]
|
[-0.17331233364877416, 0.08882364810013504, -0.08812427374103399, 0.06444757504896052, -0.11642210422876055, -0.19452178717326762, -0.014455005512642326, 0.3579074848832479, -0.2813753292047933, -0.15635037021850473, 0.12532923773709517, -0.34991346724998595, -0.16543394507868076, 0.1696185295803667, 0.031651826672700806, 0.007523100100346466, 0.04388425793887964, 0.07193156277566258, -0.06043517662285229, -0.19291728075399106, 0.39085046657875405, -0.06426945713751797, 0.19921569036903666, 0.03687056768407573, 0.07901901325016324, -0.09720124701149206, 0.08431466905149951, 0.026370891564483964, -0.26515617934496527, 0.01484743056040424, 0.15917147053822653, 0.04732329207611507, 0.2472597128753342, -0.3686371910205083, -0.18828984108100186, 0.15856926321093714, 0.19452665787913018, 0.056674807499260155, -0.044059718557226873, -0.21373595361278128, 0.14737551798348997, -0.04581642981272003, -0.3395098165970351, -0.07372936566096189, 0.05459475628128136, 0.07342152599134107, -0.25310547624839774, 0.13725299269626431, 0.10859935669534242, 0.01814348359050146, -0.1660083790601634, -0.10102140012461303, -0.07464191051366836, 0.08877126015453432, 0.1181819630307215, -0.040155103760284944, 0.026783545327775958, -0.15209191742895253, -0.056297228039145025, 0.32951852437386764, -0.1127106299582146, -0.23374338309044268, 0.19844302011014364, -0.2574628916110343, -0.146554851515302, 0.1178562699525214, 0.10866398971055204, 0.1745232085335944, -0.055773714846808035, 0.1451908069673175, -0.037068204745761495, 0.17707873605636518, 0.1381670118121903, 0.039704303695027955, 0.15758400504936032, 0.06804183184919851, 0.128107125356571, 0.06563814073356229, -0.08439848744379941, -0.08631749876597618, -0.3364637986367652, -0.1267013217308628, -0.10266011729558457, 0.11925592597720817, -0.11531938905019744, -0.18568558897823095, 0.34614084580384974, 0.11744264798211072, 0.1918462465114113, 0.06292957134211241, 0.2082042196598738, 0.14720564015181875, -0.04844438744736696, 0.1618320391211075, 0.24346862583240467, 0.06834224230651535, 0.10553144343864562, -0.27868932819883546, 0.040507405037199386, 0.097037127477798]
|
706.3749
|
Quantum Operation Time Reversal
|
The dynamics of an open quantum system can be described by a quantum
operation, a linear, complete positive map of operators. Here, I exhibit a
compact expression for the time reversal of a quantum operation, which is
closely analogous to the time reversal of a classical Markov transition matrix.
Since open quantum dynamics are stochastic, and not, in general, deterministic,
the time reversal is not, in general, an inversion of the dynamics. Rather, the
system relaxes towards equilibrium in both the forward and reverse time
directions. The probability of a quantum trajectory and the conjugate, time
reversed trajectory are related by the heat exchanged with the environment.
|
quant-ph cond-mat.stat-mech
|
the dynamics of an open quantum system can be described by a quantum operation a linear complete positive map of operators here i exhibit a compact expression for the time reversal of a quantum operation which is closely analogous to the time reversal of a classical markov transition matrix since open quantum dynamics are stochastic and not in general deterministic the time reversal is not in general an inversion of the dynamics rather the system relaxes towards equilibrium in both the forward and reverse time directions the probability of a quantum trajectory and the conjugate time reversed trajectory are related by the heat exchanged with the environment
|
[['the', 'dynamics', 'of', 'an', 'open', 'quantum', 'system', 'can', 'be', 'described', 'by', 'a', 'quantum', 'operation', 'a', 'linear', 'complete', 'positive', 'map', 'of', 'operators', 'here', 'i', 'exhibit', 'a', 'compact', 'expression', 'for', 'the', 'time', 'reversal', 'of', 'a', 'quantum', 'operation', 'which', 'is', 'closely', 'analogous', 'to', 'the', 'time', 'reversal', 'of', 'a', 'classical', 'markov', 'transition', 'matrix', 'since', 'open', 'quantum', 'dynamics', 'are', 'stochastic', 'and', 'not', 'in', 'general', 'deterministic', 'the', 'time', 'reversal', 'is', 'not', 'in', 'general', 'an', 'inversion', 'of', 'the', 'dynamics', 'rather', 'the', 'system', 'relaxes', 'towards', 'equilibrium', 'in', 'both', 'the', 'forward', 'and', 'reverse', 'time', 'directions', 'the', 'probability', 'of', 'a', 'quantum', 'trajectory', 'and', 'the', 'conjugate', 'time', 'reversed', 'trajectory', 'are', 'related', 'by', 'the', 'heat', 'exchanged', 'with', 'the', 'environment']]
|
[-0.15847754735221095, 0.2005992908594873, -0.10325429393683025, 0.04775198821139426, -0.02491882262603493, -0.16370781799169065, 0.04848020579274222, 0.35071442141763376, -0.33722274875807984, -0.2200397431554499, 0.13591858606010884, -0.21519161760807037, -0.12718577353527474, 0.20575142124337015, -0.02783847893050028, 0.08575815567964357, 0.028432064289314166, 0.06435452507391015, -0.07868041397533684, -0.18578864431234998, 0.2800811376840433, 0.05466074420674486, 0.26041271129762317, 0.003743502824941528, 0.1099839311780704, 0.0029140683804925916, 0.010798599318575079, 0.02453723511980655, -0.06067371995092553, 0.050717084529313526, 0.22888609982818087, 0.09901500720461116, 0.2505253187911672, -0.4661136997567716, -0.18747651027123852, 0.07963274495032067, 0.096958262645411, 0.1446349423359122, -0.06360627313048761, -0.3025657894246489, 0.030270546178603284, -0.09524453040125354, -0.1336169389553072, -0.041964301275890147, 0.03755077875924306, 0.0067775949409283765, -0.2331695160241014, 0.07298676827139108, 0.1282905011533577, 0.04800779651850462, -0.02667582839309612, 0.004193007454241269, 0.006148076981793497, 0.14526358618679516, -0.02997699197573222, 0.05231504406993251, 0.12463419860072225, -0.105824214493351, -0.18499414092277952, 0.3673431592096931, -0.07077664262658664, -0.22530483155920406, 0.1491499488877359, -0.15487225714061303, -0.10812131278695557, 0.12763143732934912, 0.13661708786352494, 0.13793157201225512, -0.18294170807838162, 0.1211962196873267, -0.016373482184641273, 0.1376792759847801, 0.004111841817116626, 0.017479523991356456, 0.1994149899806514, 0.12366611549682985, 0.1316278658232817, 0.15204190450533353, -0.035301490573682516, -0.23096674756869395, -0.320767518307004, -0.22693857124997913, -0.19335752487112987, 0.11066975887613502, -0.06339290110129432, -0.15310368570281524, 0.4206141983115367, 0.08885126585025498, 0.2077849140699744, 0.04762077359286807, 0.27799456929091676, 0.21388584689376441, 0.024390252159090242, 0.10750712337250883, 0.17550876808883709, 0.13329343268404079, 0.13503056674516786, -0.29376332066674654, 0.10970490479354407, 0.03848107939881978]
|
706.375
|
Pruning Processes and a New Characterization of Convex Geometries
|
We provide a new characterization of convex geometries via a multivariate
version of an identity that was originally proved by Maneva, Mossel and
Wainwright for certain combinatorial objects arising in the context of the
k-SAT problem. We thus highlight the connection between various
characterizations of convex geometries and a family of removal processes
studied in the literature on random structures.
|
math.CO cs.DM math.PR
|
we provide a new characterization of convex geometries via a multivariate version of an identity that was originally proved by maneva mossel and wainwright for certain combinatorial objects arising in the context of the ksat problem we thus highlight the connection between various characterizations of convex geometries and a family of removal processes studied in the literature on random structures
|
[['we', 'provide', 'a', 'new', 'characterization', 'of', 'convex', 'geometries', 'via', 'a', 'multivariate', 'version', 'of', 'an', 'identity', 'that', 'was', 'originally', 'proved', 'by', 'maneva', 'mossel', 'and', 'wainwright', 'for', 'certain', 'combinatorial', 'objects', 'arising', 'in', 'the', 'context', 'of', 'the', 'ksat', 'problem', 'we', 'thus', 'highlight', 'the', 'connection', 'between', 'various', 'characterizations', 'of', 'convex', 'geometries', 'and', 'a', 'family', 'of', 'removal', 'processes', 'studied', 'in', 'the', 'literature', 'on', 'random', 'structures']]
|
[-0.0991236952599138, 0.037385925427709785, -0.07783497381024063, 0.09195961127212891, -0.06313119384770592, -0.09867388131873062, 0.047301279458527766, 0.34261501729488375, -0.29060626834010084, -0.2771137789512674, 0.13441693516991413, -0.22755391085520388, -0.2183070029442509, 0.22719836101556817, -0.14439968148556848, 0.044777521910145876, 0.014634251284102598, -0.04723605532538689, -0.07647166147156288, -0.23876842089618247, 0.3430699062223236, 0.02788470620289445, 0.22316135223954917, 0.06524481338759264, 0.0908439768323054, 0.07686335171262423, -0.05162858162075281, 0.07447840296663344, -0.17315079378956094, 0.15157791661525455, 0.23246426872598627, 0.17890991257348407, 0.2722383772455942, -0.3897646551951766, -0.21166528245278945, 0.11828047532277802, 0.06433608887794738, 0.07595315170474351, -0.09962945615067535, -0.28493127872546514, 0.07088907967942457, -0.11699072668561712, -0.11662611417317142, -0.05208190344274044, 0.027507608849555255, 0.04025371043438402, -0.2571373871838053, 0.03065369923133403, 0.1422660506563261, 0.07085539875552058, -0.0652809264914443, -0.12665276365199438, 0.04867544863179016, 0.06233406406051169, -0.005165634055932363, -0.021839920400331416, 0.037944448196018735, -0.11498690099300196, -0.20264722416953493, 0.3337736873140481, 0.019327163750616213, -0.21441199138450126, 0.20172747482235234, -0.08210354935533057, -0.19458249281936635, 0.09931579934588323, 0.1729287877989312, 0.1758179477105538, -0.2038452888838947, 0.148463954681453, -0.12631903810737033, 0.0333138486991326, 0.1439786144066602, 0.016769180392536023, 0.13777940939956654, 0.10519647697607676, 0.0919643521308899, 0.25044932602904735, -0.029559772675080847, -0.11239351557645326, -0.2602969262593736, -0.1509638644910107, -0.16582678067109857, 0.04299849091330543, -0.1138409946768661, -0.19444924335305888, 0.3636000987996037, 0.05313224025691549, 0.21465409194740157, 0.07570887897163629, 0.18802219829522074, 0.05463018462372323, 0.002310607279650867, 0.030649013025686143, 0.180758384296981, 0.23092254316822317, 0.057220604790685074, -0.1340473454600821, 0.08616805845716348, 0.1496812766805912]
|
706.3751
|
The AdS/CFT Correspondence: Classical, Quantum, and Thermodynamical
Aspects
|
Certain aspects of the AdS/CFT correspondence are studied in detail. We
investigate the one-loop mass shift to certain two-impurity string states in
light-cone string field theory on a plane wave background. We find that there
exist logarithmic divergences in the sums over intermediate mode numbers which
cancel between the cubic Hamiltonian and quartic "contact term". We argue that
generically, every order in intermediate state impurities contributes to the
mass shift at leading perturbative order. The same mass shift is also computed
using an improved 3-string vertex proposed by Dobashi and Yoneya. The result is
found to agree with gauge theory at leading order and is close but not quite in
agreement at subleading order. We extend the analysis to include discrete
light-cone quantization, considering states with up to three units of p+. We
study the (apparently) first-order phase transition in the weakly coupled
plane-wave matrix model at finite temperature. We analyze the effect of
interactions by computing the relevant parts of the effective potential for the
Polyakov loop operator to three loop order. We show that the phase transition
is indeed of first order. We also compute the 2-loop correction to the Hagedorn
temperature. Finally, correlation functions of 1/4 BPS Wilson loops with the
infinite family of 1/2 BPS chiral primary operators are computed in N=4 super
Yang-Mills theory by summing planar ladder diagrams. The correlation functions
are also computed in the strong-coupling limit using string theory; the result
is found to agree with the extrapolation of the planar ladders. The result is
related to similar correlators of 1/2 BPS loops by a simple re-scaling of the
coupling constant, discovered by Drukker for the case of the 1/4 BPS loop VEV.
|
hep-th
|
certain aspects of the adscft correspondence are studied in detail we investigate the oneloop mass shift to certain twoimpurity string states in lightcone string field theory on a plane wave background we find that there exist logarithmic divergences in the sums over intermediate mode numbers which cancel between the cubic hamiltonian and quartic contact term we argue that generically every order in intermediate state impurities contributes to the mass shift at leading perturbative order the same mass shift is also computed using an improved 3string vertex proposed by dobashi and yoneya the result is found to agree with gauge theory at leading order and is close but not quite in agreement at subleading order we extend the analysis to include discrete lightcone quantization considering states with up to three units of p we study the apparently firstorder phase transition in the weakly coupled planewave matrix model at finite temperature we analyze the effect of interactions by computing the relevant parts of the effective potential for the polyakov loop operator to three loop order we show that the phase transition is indeed of first order we also compute the 2loop correction to the hagedorn temperature finally correlation functions of 14 bps wilson loops with the infinite family of 12 bps chiral primary operators are computed in n4 super yangmills theory by summing planar ladder diagrams the correlation functions are also computed in the strongcoupling limit using string theory the result is found to agree with the extrapolation of the planar ladders the result is related to similar correlators of 12 bps loops by a simple rescaling of the coupling constant discovered by drukker for the case of the 14 bps loop vev
|
[['certain', 'aspects', 'of', 'the', 'adscft', 'correspondence', 'are', 'studied', 'in', 'detail', 'we', 'investigate', 'the', 'oneloop', 'mass', 'shift', 'to', 'certain', 'twoimpurity', 'string', 'states', 'in', 'lightcone', 'string', 'field', 'theory', 'on', 'a', 'plane', 'wave', 'background', 'we', 'find', 'that', 'there', 'exist', 'logarithmic', 'divergences', 'in', 'the', 'sums', 'over', 'intermediate', 'mode', 'numbers', 'which', 'cancel', 'between', 'the', 'cubic', 'hamiltonian', 'and', 'quartic', 'contact', 'term', 'we', 'argue', 'that', 'generically', 'every', 'order', 'in', 'intermediate', 'state', 'impurities', 'contributes', 'to', 'the', 'mass', 'shift', 'at', 'leading', 'perturbative', 'order', 'the', 'same', 'mass', 'shift', 'is', 'also', 'computed', 'using', 'an', 'improved', '3string', 'vertex', 'proposed', 'by', 'dobashi', 'and', 'yoneya', 'the', 'result', 'is', 'found', 'to', 'agree', 'with', 'gauge', 'theory', 'at', 'leading', 'order', 'and', 'is', 'close', 'but', 'not', 'quite', 'in', 'agreement', 'at', 'subleading', 'order', 'we', 'extend', 'the', 'analysis', 'to', 'include', 'discrete', 'lightcone', 'quantization', 'considering', 'states', 'with', 'up', 'to', 'three', 'units', 'of', 'p', 'we', 'study', 'the', 'apparently', 'firstorder', 'phase', 'transition', 'in', 'the', 'weakly', 'coupled', 'planewave', 'matrix', 'model', 'at', 'finite', 'temperature', 'we', 'analyze', 'the', 'effect', 'of', 'interactions', 'by', 'computing', 'the', 'relevant', 'parts', 'of', 'the', 'effective', 'potential', 'for', 'the', 'polyakov', 'loop', 'operator', 'to', 'three', 'loop', 'order', 'we', 'show', 'that', 'the', 'phase', 'transition', 'is', 'indeed', 'of', 'first', 'order', 'we', 'also', 'compute', 'the', '2loop', 'correction', 'to', 'the', 'hagedorn', 'temperature', 'finally', 'correlation', 'functions', 'of', '14', 'bps', 'wilson', 'loops', 'with', 'the', 'infinite', 'family', 'of', '12', 'bps', 'chiral', 'primary', 'operators', 'are', 'computed', 'in', 'n4', 'super', 'yangmills', 'theory', 'by', 'summing', 'planar', 'ladder', 'diagrams', 'the', 'correlation', 'functions', 'are', 'also', 'computed', 'in', 'the', 'strongcoupling', 'limit', 'using', 'string', 'theory', 'the', 'result', 'is', 'found', 'to', 'agree', 'with', 'the', 'extrapolation', 'of', 'the', 'planar', 'ladders', 'the', 'result', 'is', 'related', 'to', 'similar', 'correlators', 'of', '12', 'bps', 'loops', 'by', 'a', 'simple', 'rescaling', 'of', 'the', 'coupling', 'constant', 'discovered', 'by', 'drukker', 'for', 'the', 'case', 'of', 'the', '14', 'bps', 'loop', 'vev']]
|
[-0.1517911458870263, 0.1989746623643961, -0.05599180429812155, 0.11308237756560889, -0.020510093467808993, -0.11034155028340008, 0.03755646137007196, 0.3466762316945408, -0.19613896398139852, -0.2736226513965188, 0.05710158168970208, -0.3216586201451719, -0.1473427570208774, 0.11458825048092487, 0.01026601187435777, 0.045104191661812364, 0.0031671609529959305, 0.08326542344376711, -0.1185074471045352, -0.246248464672161, 0.34899747451833846, 0.0022748830973536574, 0.24010004356636533, 0.09358513953130958, 0.059311108124841534, 0.003839661308198369, -0.00902260905464313, 0.02851755069236138, -0.11863503216339139, 0.07302191105721119, 0.22542530339477318, -0.010314487181104986, 0.13949706281003144, -0.39922142777972375, -0.17507957665282967, 0.07066897050909964, 0.17400173458985851, 0.13682268796713157, 0.011756345756917393, -0.2290285102033522, 0.06644735899421253, -0.1833030872080209, -0.17115846119164158, -0.09664077406050638, -0.0036555393179047053, -0.06832739959687127, -0.25242530174187516, 0.08349961849702854, 0.0034309531786545578, 0.019090953234782708, -0.018670528711351966, -0.09927124267061507, -0.04715091193460726, 0.12235958252900413, 0.06607105267758015, 0.08798211203871428, 0.08529552363220969, -0.14940047729926717, -0.13478008029342164, 0.3418349497991065, -0.09212525744369486, -0.15148819799318777, 0.1206611851828971, -0.1953379186926343, -0.1527031457517296, 0.13437519832896214, 0.0941170468078261, 0.11943013010937388, -0.12798903189998653, 0.1533564921162906, -0.004438399019532621, 0.14192326233190086, 0.11982274915790185, 0.014204425979837001, 0.19901409303835993, 0.06846223594787132, 0.021944021598236368, 0.167627164919395, -0.04423979882308881, -0.16449541053568412, -0.3742497930353108, -0.07189024522168828, -0.13378641951536077, 0.033621967001610235, -0.12111583405250193, -0.1895080034338337, 0.3756043296590048, 0.13260885254879082, 0.20601116708910142, 0.07676779137234137, 0.21793588114544815, 0.17806648493133254, 0.1102261990732846, 0.06776531802440461, 0.2620354473008774, 0.17751585490103544, 0.07528818397056186, -0.27917003046334554, -0.06608134364858935, 0.16603627459595113]
|
706.3752
|
Secure Nested Codes for Type II Wiretap Channels
|
This paper considers the problem of secure coding design for a type II
wiretap channel, where the main channel is noiseless and the eavesdropper
channel is a general binary-input symmetric-output memoryless channel. The
proposed secure error-correcting code has a nested code structure. Two secure
nested coding schemes are studied for a type II Gaussian wiretap channel. The
nesting is based on cosets of a good code sequence for the first scheme and on
cosets of the dual of a good code sequence for the second scheme. In each case,
the corresponding achievable rate-equivocation pair is derived based on the
threshold behavior of good code sequences. The two secure coding schemes
together establish an achievable rate-equivocation region, which almost covers
the secrecy capacity-equivocation region in this case study. The proposed
secure coding scheme is extended to a type II binary symmetric wiretap channel.
A new achievable perfect secrecy rate, which improves upon the previously
reported result by Thangaraj et al., is derived for this channel.
|
cs.IT cs.CR math.IT
|
this paper considers the problem of secure coding design for a type ii wiretap channel where the main channel is noiseless and the eavesdropper channel is a general binaryinput symmetricoutput memoryless channel the proposed secure errorcorrecting code has a nested code structure two secure nested coding schemes are studied for a type ii gaussian wiretap channel the nesting is based on cosets of a good code sequence for the first scheme and on cosets of the dual of a good code sequence for the second scheme in each case the corresponding achievable rateequivocation pair is derived based on the threshold behavior of good code sequences the two secure coding schemes together establish an achievable rateequivocation region which almost covers the secrecy capacityequivocation region in this case study the proposed secure coding scheme is extended to a type ii binary symmetric wiretap channel a new achievable perfect secrecy rate which improves upon the previously reported result by thangaraj et al is derived for this channel
|
[['this', 'paper', 'considers', 'the', 'problem', 'of', 'secure', 'coding', 'design', 'for', 'a', 'type', 'ii', 'wiretap', 'channel', 'where', 'the', 'main', 'channel', 'is', 'noiseless', 'and', 'the', 'eavesdropper', 'channel', 'is', 'a', 'general', 'binaryinput', 'symmetricoutput', 'memoryless', 'channel', 'the', 'proposed', 'secure', 'errorcorrecting', 'code', 'has', 'a', 'nested', 'code', 'structure', 'two', 'secure', 'nested', 'coding', 'schemes', 'are', 'studied', 'for', 'a', 'type', 'ii', 'gaussian', 'wiretap', 'channel', 'the', 'nesting', 'is', 'based', 'on', 'cosets', 'of', 'a', 'good', 'code', 'sequence', 'for', 'the', 'first', 'scheme', 'and', 'on', 'cosets', 'of', 'the', 'dual', 'of', 'a', 'good', 'code', 'sequence', 'for', 'the', 'second', 'scheme', 'in', 'each', 'case', 'the', 'corresponding', 'achievable', 'rateequivocation', 'pair', 'is', 'derived', 'based', 'on', 'the', 'threshold', 'behavior', 'of', 'good', 'code', 'sequences', 'the', 'two', 'secure', 'coding', 'schemes', 'together', 'establish', 'an', 'achievable', 'rateequivocation', 'region', 'which', 'almost', 'covers', 'the', 'secrecy', 'capacityequivocation', 'region', 'in', 'this', 'case', 'study', 'the', 'proposed', 'secure', 'coding', 'scheme', 'is', 'extended', 'to', 'a', 'type', 'ii', 'binary', 'symmetric', 'wiretap', 'channel', 'a', 'new', 'achievable', 'perfect', 'secrecy', 'rate', 'which', 'improves', 'upon', 'the', 'previously', 'reported', 'result', 'by', 'thangaraj', 'et', 'al', 'is', 'derived', 'for', 'this', 'channel']]
|
[-0.2578062230344016, -0.025164426410012947, -0.02548449159674118, 0.06286359982539334, -0.008398963925514393, -0.32556519326839617, 0.14235614294091958, 0.3631413118582379, -0.2775332965356715, -0.1910259063738438, 0.11598336899315972, -0.17925236664392466, -0.1042794322786407, 0.18089502390496937, -0.15072595682659365, 0.08726583154474962, 0.03229498635246161, 0.05464938354101375, -0.04844637127147496, -0.3192429262401959, 0.3772373124899948, 0.15314605836670822, 0.3596951556649128, -0.008843777778392738, 0.06704094950566811, 0.02608853236035061, -0.051460942399168125, -0.11080256264736774, -0.1824382931619677, 0.07981589229911726, 0.28595670808586604, 0.15602643127935978, 0.20586597628211545, -0.28137120139710836, -0.2838297426997701, 0.04593648284422291, 0.1639054935265538, 0.14749891631179518, -0.09175749215157417, -0.2551206123216672, 0.13045099337922375, -0.2520918742984968, 0.011561717185266088, 0.10379146423442231, -0.07973697255336983, 0.020370454044635493, -0.42367301657803047, 0.015957066984961462, 0.06425617660390087, 0.034595096895208385, -0.014300008047303539, -0.12330165267936269, 0.057281555379369506, 0.14392718475060595, -0.06946592528710108, 0.04604567262698308, 0.029823461736043905, -0.05825513749143417, -0.1345752252800036, 0.31296974163433894, -0.025147662275225108, -0.22056520698260676, 0.10700783817107544, -0.054564668162743, -0.08163307768227018, 0.20362089585192913, 0.19871581181243886, 0.12005891239247714, -0.17149162098538256, 0.07342908259744019, -0.13264711878256746, 0.20839500114924497, 0.06299323264218044, 0.15097108741178022, 0.10628926843701879, 0.1470401218143846, 0.0648017060754398, 0.20788333972950288, -0.09896016934246647, -0.17082435748521296, -0.31031492277637035, -0.1425305061503685, -0.2033977253545373, -0.03084342127045948, -0.09587009583633432, -0.09798760996685803, 0.3423215512543971, 0.05842977282848278, 0.08332562034855386, 0.11157325676505231, 0.35228869079275094, 0.03350952427628581, 0.017223873667767488, 0.1913289660473634, 0.21708047083733273, 0.20184346926584268, 0.0207254580319202, -0.17147189799065565, 0.10115891766443026, 0.08073876965848123]
|
706.3753
|
Multiple Access Channels with Generalized Feedback and Confidential
Messages
|
This paper considers the problem of secret communication over a multiple
access channel with generalized feedback. Two trusted users send independent
confidential messages to an intended receiver, in the presence of a passive
eavesdropper. In this setting, an active cooperation between two trusted users
is enabled through using channel feedback in order to improve the communication
efficiency. Based on rate-splitting and decode-and-forward strategies,
achievable secrecy rate regions are derived for both discrete memoryless and
Gaussian channels. Results show that channel feedback improves the achievable
secrecy rates.
|
cs.IT math.IT
|
this paper considers the problem of secret communication over a multiple access channel with generalized feedback two trusted users send independent confidential messages to an intended receiver in the presence of a passive eavesdropper in this setting an active cooperation between two trusted users is enabled through using channel feedback in order to improve the communication efficiency based on ratesplitting and decodeandforward strategies achievable secrecy rate regions are derived for both discrete memoryless and gaussian channels results show that channel feedback improves the achievable secrecy rates
|
[['this', 'paper', 'considers', 'the', 'problem', 'of', 'secret', 'communication', 'over', 'a', 'multiple', 'access', 'channel', 'with', 'generalized', 'feedback', 'two', 'trusted', 'users', 'send', 'independent', 'confidential', 'messages', 'to', 'an', 'intended', 'receiver', 'in', 'the', 'presence', 'of', 'a', 'passive', 'eavesdropper', 'in', 'this', 'setting', 'an', 'active', 'cooperation', 'between', 'two', 'trusted', 'users', 'is', 'enabled', 'through', 'using', 'channel', 'feedback', 'in', 'order', 'to', 'improve', 'the', 'communication', 'efficiency', 'based', 'on', 'ratesplitting', 'and', 'decodeandforward', 'strategies', 'achievable', 'secrecy', 'rate', 'regions', 'are', 'derived', 'for', 'both', 'discrete', 'memoryless', 'and', 'gaussian', 'channels', 'results', 'show', 'that', 'channel', 'feedback', 'improves', 'the', 'achievable', 'secrecy', 'rates']]
|
[-0.3077637311937504, -0.01074751308099854, -0.008980624843388796, 0.0020546752534438533, -0.07697945441725816, -0.354797073239244, 0.2118625500263798, 0.39405625590751336, -0.2931676998864426, -0.2296128980598824, 0.064429450099259, -0.2494917576266236, -0.10015341343877968, 0.14762312233404712, -0.16260534769660512, 0.03466553688265903, -0.01571701131598634, 0.06516407021093941, 0.02843563603291418, -0.34760794253900734, 0.3372438734635537, 0.14717357434998374, 0.3519497885000567, 0.01965154094491587, 0.08826359657592378, 0.05227336703344833, -0.08480951331859064, -0.14365291396876104, -0.10443243953349612, 0.04367451279066763, 0.37180971429780735, 0.18646652333031957, 0.2914465747470426, -0.39180984120642726, -0.28497712156020627, 0.092534305062145, 0.21173335188934797, 0.08182272114682683, -0.1006700872554617, -0.3203464722677762, 0.09983064839616418, -0.2965276157591752, 0.06590948010210035, 0.09869280348120388, -0.17335113636109717, 0.02958570713013445, -0.4419503147215691, 0.017497492258350344, -0.003219703580577706, 0.04685884044873853, -0.029391695853582648, -0.051090904636048644, 0.06679624250851744, 0.2668859679793376, -0.014754767345567776, -0.05049915173697437, 0.13018664087407117, -0.10660421350689302, -0.1751325685790805, 0.2806987256504769, -0.01574421990906473, -0.26329414780403293, 0.1560928916198548, -0.07791768128138989, -0.05575481468681679, 0.1889272330458774, 0.2923556735717453, 0.058401046559041325, -0.21600473923392075, -0.02076356331641829, -0.03492510076179061, 0.24547714034236187, 0.0774236187761173, 0.18800406855920893, 0.1065684647061104, 0.11646690693965485, 0.13356425742033956, 0.15848072438749897, -0.07096983849065551, -0.18644151797241987, -0.22989398823187382, -0.11936386289118334, -0.20919257058047278, -0.012544654556116912, -0.09834866793684087, 0.03760244893884763, 0.28279591474931165, 0.1270912057763442, 0.07634850097603577, 0.12958683504528085, 0.46660067522248555, 0.018538414262408435, -0.004895895849480186, 0.21130266469946607, 0.22221811078922, 0.14707684368544885, 0.09973225964985918, -0.2009134656833593, 0.13380561196678425, -0.03624807391586432]
|
706.3754
|
Binary Stars as the Source of the Far-UV Excess in Elliptical Galaxies
|
The discovery of an excess of light in the far-ultraviolet (UV) spectrum in
elliptical galaxies was a major surprise in 1969. While it is now clear that
this UV excess is caused by an old population of hot helium-burning stars
without large hydrogen-rich envelopes rather than young stars, their origin has
remained a mystery. Here we show that these stars most likely lost their
envelopes because of binary interactions, similar to the hot subdwarf
population in our own Galaxy. This has major implications for understanding the
evolution of the UV excess and of elliptical galaxies in general. In
particular, it implies that the UV excess is not a sign of age, as had been
postulated previously, and predicts that it should not be strongly dependent on
the metallicity of the population.
|
astro-ph
|
the discovery of an excess of light in the farultraviolet uv spectrum in elliptical galaxies was a major surprise in 1969 while it is now clear that this uv excess is caused by an old population of hot heliumburning stars without large hydrogenrich envelopes rather than young stars their origin has remained a mystery here we show that these stars most likely lost their envelopes because of binary interactions similar to the hot subdwarf population in our own galaxy this has major implications for understanding the evolution of the uv excess and of elliptical galaxies in general in particular it implies that the uv excess is not a sign of age as had been postulated previously and predicts that it should not be strongly dependent on the metallicity of the population
|
[['the', 'discovery', 'of', 'an', 'excess', 'of', 'light', 'in', 'the', 'farultraviolet', 'uv', 'spectrum', 'in', 'elliptical', 'galaxies', 'was', 'a', 'major', 'surprise', 'in', '1969', 'while', 'it', 'is', 'now', 'clear', 'that', 'this', 'uv', 'excess', 'is', 'caused', 'by', 'an', 'old', 'population', 'of', 'hot', 'heliumburning', 'stars', 'without', 'large', 'hydrogenrich', 'envelopes', 'rather', 'than', 'young', 'stars', 'their', 'origin', 'has', 'remained', 'a', 'mystery', 'here', 'we', 'show', 'that', 'these', 'stars', 'most', 'likely', 'lost', 'their', 'envelopes', 'because', 'of', 'binary', 'interactions', 'similar', 'to', 'the', 'hot', 'subdwarf', 'population', 'in', 'our', 'own', 'galaxy', 'this', 'has', 'major', 'implications', 'for', 'understanding', 'the', 'evolution', 'of', 'the', 'uv', 'excess', 'and', 'of', 'elliptical', 'galaxies', 'in', 'general', 'in', 'particular', 'it', 'implies', 'that', 'the', 'uv', 'excess', 'is', 'not', 'a', 'sign', 'of', 'age', 'as', 'had', 'been', 'postulated', 'previously', 'and', 'predicts', 'that', 'it', 'should', 'not', 'be', 'strongly', 'dependent', 'on', 'the', 'metallicity', 'of', 'the', 'population']]
|
[-0.029350888016029395, 0.15172172696636244, -0.1126820886572503, 0.1250406639581148, -0.12565952746325548, -0.04533591886399357, 0.06563360435276769, 0.4377249906706901, -0.15541966565780677, -0.333589208106162, 0.06487119584059954, -0.2863915286192187, -0.09895865302817285, 0.17659250752047728, -0.13826516260506713, -0.05662486398190914, 0.06296556576631451, -0.026533489613189496, 0.004678338310212068, -0.28644959378511226, 0.32064582604047565, 0.0796675582146201, 0.14197626931393761, 0.009941056566241816, 0.01807200477124398, -0.08400421131949673, -0.059645468045651684, -0.03453476816941877, -0.07372704321515874, 0.03229501726859398, 0.20778167505130057, 0.14874322067071746, 0.2722006890823254, -0.36073962759709993, -0.26388747477548496, 0.13202261577630486, 0.223347240895431, 0.05949066603335886, -0.13295570568746767, -0.20019229858818655, 0.07277105147559337, -0.17620279154391916, -0.18554749928827163, 0.07863946445286274, 0.09701315892277328, -0.03088090286584827, -0.16185444975911661, 0.12104728787991695, 0.10809887601560308, 0.08723004251178212, -0.09836236642894002, -0.12482568288829803, -0.08229835271188378, 0.08788072807627254, 0.08468839706931235, 0.05229947696802498, 0.12585622717747252, -0.17968471656830712, -0.01707414480082634, 0.40687182695668844, -0.09182984602714458, 0.013227023454454109, 0.27411801822995413, -0.22993980415026793, -0.1684574686943461, 0.14262969076690327, 0.10686542977888194, 0.13517499568637545, -0.22677265345794326, 0.03836208277378402, -0.06792021018118803, 0.1885917374423442, 0.04785457727826335, 0.08431767377318576, 0.34931245514454734, 0.13529558819789753, 0.012101464627580789, 0.06720224216861209, -0.1368116456215476, -0.057269729887142434, -0.20565840856435189, -0.13568345631494094, -0.14686020392434004, 0.10710148379683872, -0.05882088583694124, -0.16228325170898483, 0.33571628592766195, 0.11739919088311664, 0.20247308950416232, -0.005059829664253096, 0.26804597418442483, 0.10712197366462067, 0.1491966708918735, 0.12720121465666034, 0.3410953254446046, 0.16658281487455406, 0.06901229117669962, -0.2383807657378946, 0.15183220506567535, -0.055302440929084394]
|
706.3755
|
Two-Pulse Propagation in Media with Quantum-Mixed Ground States
|
We examine fully coherent two-pulse propagation in a lambda-type medium,
under two-photon resonance conditions and including inhomogeneous broadening.
We examine both the effects of short pulse preparation and the effects of
medium preparation. We contrast cases in which the two pulses have matched
envelopes or not, and contrast cases in which ground state coherence is present
or not. We find that an extended interpretation of the Area Theorem for
single-pulse self-induced transparency (SIT) is able to unify two-pulse
propagation scenarios, including some aspects of electromagnetically-induced
transparency (EIT) and stimulated Raman scattering (SRS). We present numerical
solutions of both three-level and adiabatically reduced two-level density
matrix equations and Maxwell's equations, and show that many features of the
solutions are quickly interpreted with the aid of analytic solutions that we
also provide for restricted cases of pulse shapes and preparation of the
medium. In the limit of large one-photon detuning, we show that the two-level
equations commonly used are not reliable for pulse Areas in the 2$\pi$ range,
which allows puzzling features of previous numerical work to be understood.
|
quant-ph nlin.PS
|
we examine fully coherent twopulse propagation in a lambdatype medium under twophoton resonance conditions and including inhomogeneous broadening we examine both the effects of short pulse preparation and the effects of medium preparation we contrast cases in which the two pulses have matched envelopes or not and contrast cases in which ground state coherence is present or not we find that an extended interpretation of the area theorem for singlepulse selfinduced transparency sit is able to unify twopulse propagation scenarios including some aspects of electromagneticallyinduced transparency eit and stimulated raman scattering srs we present numerical solutions of both threelevel and adiabatically reduced twolevel density matrix equations and maxwells equations and show that many features of the solutions are quickly interpreted with the aid of analytic solutions that we also provide for restricted cases of pulse shapes and preparation of the medium in the limit of large onephoton detuning we show that the twolevel equations commonly used are not reliable for pulse areas in the 2pi range which allows puzzling features of previous numerical work to be understood
|
[['we', 'examine', 'fully', 'coherent', 'twopulse', 'propagation', 'in', 'a', 'lambdatype', 'medium', 'under', 'twophoton', 'resonance', 'conditions', 'and', 'including', 'inhomogeneous', 'broadening', 'we', 'examine', 'both', 'the', 'effects', 'of', 'short', 'pulse', 'preparation', 'and', 'the', 'effects', 'of', 'medium', 'preparation', 'we', 'contrast', 'cases', 'in', 'which', 'the', 'two', 'pulses', 'have', 'matched', 'envelopes', 'or', 'not', 'and', 'contrast', 'cases', 'in', 'which', 'ground', 'state', 'coherence', 'is', 'present', 'or', 'not', 'we', 'find', 'that', 'an', 'extended', 'interpretation', 'of', 'the', 'area', 'theorem', 'for', 'singlepulse', 'selfinduced', 'transparency', 'sit', 'is', 'able', 'to', 'unify', 'twopulse', 'propagation', 'scenarios', 'including', 'some', 'aspects', 'of', 'electromagneticallyinduced', 'transparency', 'eit', 'and', 'stimulated', 'raman', 'scattering', 'srs', 'we', 'present', 'numerical', 'solutions', 'of', 'both', 'threelevel', 'and', 'adiabatically', 'reduced', 'twolevel', 'density', 'matrix', 'equations', 'and', 'maxwells', 'equations', 'and', 'show', 'that', 'many', 'features', 'of', 'the', 'solutions', 'are', 'quickly', 'interpreted', 'with', 'the', 'aid', 'of', 'analytic', 'solutions', 'that', 'we', 'also', 'provide', 'for', 'restricted', 'cases', 'of', 'pulse', 'shapes', 'and', 'preparation', 'of', 'the', 'medium', 'in', 'the', 'limit', 'of', 'large', 'onephoton', 'detuning', 'we', 'show', 'that', 'the', 'twolevel', 'equations', 'commonly', 'used', 'are', 'not', 'reliable', 'for', 'pulse', 'areas', 'in', 'the', '2pi', 'range', 'which', 'allows', 'puzzling', 'features', 'of', 'previous', 'numerical', 'work', 'to', 'be', 'understood']]
|
[-0.11401020375206687, 0.15089896226659916, -0.06822168849156064, 0.07163756757337958, -0.01993034342136155, -0.1186540078271133, 0.022863236200695827, 0.44679768802335035, -0.23216561581623757, -0.2564299131143775, 0.06933686226714234, -0.24200073330760816, -0.127230289542132, 0.21596900998229307, -0.026305538917875897, 0.06292299934962796, 0.06722553863287456, -0.031912563932832004, -0.027368789641344447, -0.17402189994746514, 0.32101922279150136, 0.001356191962094462, 0.29492476268929274, 0.0579257444961991, 0.06900607590895083, 0.01379676834590691, 0.02341243655468195, -0.013774421625544292, -0.11269823893839573, 0.04556850068360609, 0.2766448659559259, 0.08796632234901611, 0.21697657053111552, -0.4827658986346533, -0.24265472227783141, 0.08021255192152188, 0.1829210167889165, 0.18504328250235189, -0.06262825717912766, -0.3187538997591131, 0.004264056214294528, -0.1481943530909254, -0.14790652793605868, -0.10030411582540111, -0.012380783201463647, 0.06699296172003204, -0.26142473379676207, 0.06999818358874858, 0.0627926328353647, 0.020758450120729577, -0.060786452750138685, -0.04785409383607323, 0.05908878107744632, 0.07420000653992812, -0.0012341048680298494, -0.05835437281372941, 0.12141764125034298, -0.15210877678299187, -0.09558119898593569, 0.3854544101661797, -0.10389842141924774, -0.1483426117575017, 0.18078545459393558, -0.15186418717994096, -0.05972599247891435, 0.15358878521638064, 0.13269900665276468, 0.14281343276438824, -0.12916626959860242, 0.025695921070505418, -0.025279605085698435, 0.20657554171495351, 0.1149603068607591, 0.12060285525891067, 0.1289312469942027, 0.12910141631247907, 0.017726088662587087, 0.15554900142682537, -0.08329940670117109, -0.09476508172939263, -0.30077464807526033, -0.10472409884211223, -0.11430331313256491, 0.04028778857481469, -0.03871008832017759, -0.15883772583983544, 0.40050483289790356, 0.17974293021495732, 0.14889339370834562, -0.027200759765376354, 0.29330507708229336, 0.16850911854440084, 0.007198287110965131, 0.05362630042965698, 0.2864194629606357, 0.1693720036491457, 0.09948968930475119, -0.2620894821034481, 0.03404657167019481, -0.012488191077843477]
|
706.3756
|
Choice of Measurement Sets in Qubit Tomography
|
Optimal generalized measurements for state estimation are well understood.
However, practical quantum state tomography is typically performed using a
fixed set of projective measurements and the question of how to choose these
measurements has been largely unexplored in the literature. In this work we
develop theoretical asymptotic bounds for the average fidelity of pure qubit
tomography using measurement sets whose axes correspond to vertices of Platonic
solids. We also present complete simulations of maximum likelihood tomography
for mixed qubit states using the Platonic solid measurements. We show that
overcomplete measurement sets can be used to improve the accuracy of
tomographic reconstructions.
|
quant-ph
|
optimal generalized measurements for state estimation are well understood however practical quantum state tomography is typically performed using a fixed set of projective measurements and the question of how to choose these measurements has been largely unexplored in the literature in this work we develop theoretical asymptotic bounds for the average fidelity of pure qubit tomography using measurement sets whose axes correspond to vertices of platonic solids we also present complete simulations of maximum likelihood tomography for mixed qubit states using the platonic solid measurements we show that overcomplete measurement sets can be used to improve the accuracy of tomographic reconstructions
|
[['optimal', 'generalized', 'measurements', 'for', 'state', 'estimation', 'are', 'well', 'understood', 'however', 'practical', 'quantum', 'state', 'tomography', 'is', 'typically', 'performed', 'using', 'a', 'fixed', 'set', 'of', 'projective', 'measurements', 'and', 'the', 'question', 'of', 'how', 'to', 'choose', 'these', 'measurements', 'has', 'been', 'largely', 'unexplored', 'in', 'the', 'literature', 'in', 'this', 'work', 'we', 'develop', 'theoretical', 'asymptotic', 'bounds', 'for', 'the', 'average', 'fidelity', 'of', 'pure', 'qubit', 'tomography', 'using', 'measurement', 'sets', 'whose', 'axes', 'correspond', 'to', 'vertices', 'of', 'platonic', 'solids', 'we', 'also', 'present', 'complete', 'simulations', 'of', 'maximum', 'likelihood', 'tomography', 'for', 'mixed', 'qubit', 'states', 'using', 'the', 'platonic', 'solid', 'measurements', 'we', 'show', 'that', 'overcomplete', 'measurement', 'sets', 'can', 'be', 'used', 'to', 'improve', 'the', 'accuracy', 'of', 'tomographic', 'reconstructions']]
|
[-0.04926826026161561, 0.11293312927505167, -0.08276072219429113, 0.01798686609916979, -0.025197146988317074, -0.13860618692389368, 0.08169975365157064, 0.4018003466253233, -0.2449762781685458, -0.30983940568190105, 0.13650460470015977, -0.28660593045377497, -0.08260594228153477, 0.20218014401224635, -0.08219140482199665, 0.1659638381443254, 0.107757661659916, 0.0022489101542989805, -0.13874218874094585, -0.25215809016792784, 0.2740430048745273, 0.043418381042723164, 0.30911525821147284, 0.016343621168248723, 0.11880395551774614, 0.020174015732943126, -0.00208438816710864, 0.049236898550228905, -0.18399280492058728, 0.11751627898256359, 0.32022996490480066, 0.16951011661394028, 0.17793733692534341, -0.4378429886027433, -0.204043084239163, 0.14721246193034002, 0.1478848539207518, 0.15137372392755333, -0.017126847455038292, -0.25524122789870984, 0.028970970182061784, -0.11344842371152769, -0.07831077722574373, -0.14974482287422264, -0.019007407285568146, -0.056171582030860874, -0.2687658330536272, 0.1228469016723736, 0.000734368842878923, 0.09000606387669202, -0.049088126852979315, -0.1236323127154224, 0.014627854353609946, 0.13581126939971, -0.07248776807394432, 0.021753361006036843, 0.12931696361963554, -0.07812180264742288, -0.17457572214010328, 0.34087027806678033, -0.019587776208720584, -0.2371043830252446, 0.15014058737877276, -0.15853880758757188, -0.15050227278474682, 0.08891063319094995, 0.19041205903671976, 0.15174100939922108, -0.13309537232646, 0.02931557252189366, -0.0801596602259001, 0.15891262722008004, 0.055342259876761994, 0.07852329411267275, 0.1517120398083093, 0.151357796891491, 0.047770820405924376, 0.16083933123834615, -0.10199762648893612, -0.05081784984299747, -0.289941714633957, -0.13757395978537526, -0.2603636677492189, 0.08495953806334793, -0.056722220734060316, -0.13964063594795506, 0.3784457337443191, 0.1731421597218971, 0.1573865908557678, 0.0039085907824706325, 0.32383345964705884, 0.08559899690856645, -0.005819454076838228, 0.060750818836714814, 0.3063081258188675, 0.1803634871571961, -0.0066079528504374005, -0.19311255284372975, 0.08486114840235302, 0.010301878383051199]
|
706.3757
|
Instability of holographic dark energy models
|
We investigate the difference between holographic dark energy, Chaplygin gas,
and tachyon model with constant potential. For this purpose, we examine their
squared speeds of sound which are evaluated to zeroth order in perturbation
theory and hence depends only on time. We find that the squared speed for
holographic dark energy is always negative when choosing the future event
horizon as the IR cutoff, while those for Chaplygin gas and tachyon are
non-negative. This means that the perfect fluid for holographic dark energy is
classically unstable. Hence the holographic interpretation for Chaplygin gas
and tachyon is problematic.
|
gr-qc astro-ph hep-th
|
we investigate the difference between holographic dark energy chaplygin gas and tachyon model with constant potential for this purpose we examine their squared speeds of sound which are evaluated to zeroth order in perturbation theory and hence depends only on time we find that the squared speed for holographic dark energy is always negative when choosing the future event horizon as the ir cutoff while those for chaplygin gas and tachyon are nonnegative this means that the perfect fluid for holographic dark energy is classically unstable hence the holographic interpretation for chaplygin gas and tachyon is problematic
|
[['we', 'investigate', 'the', 'difference', 'between', 'holographic', 'dark', 'energy', 'chaplygin', 'gas', 'and', 'tachyon', 'model', 'with', 'constant', 'potential', 'for', 'this', 'purpose', 'we', 'examine', 'their', 'squared', 'speeds', 'of', 'sound', 'which', 'are', 'evaluated', 'to', 'zeroth', 'order', 'in', 'perturbation', 'theory', 'and', 'hence', 'depends', 'only', 'on', 'time', 'we', 'find', 'that', 'the', 'squared', 'speed', 'for', 'holographic', 'dark', 'energy', 'is', 'always', 'negative', 'when', 'choosing', 'the', 'future', 'event', 'horizon', 'as', 'the', 'ir', 'cutoff', 'while', 'those', 'for', 'chaplygin', 'gas', 'and', 'tachyon', 'are', 'nonnegative', 'this', 'means', 'that', 'the', 'perfect', 'fluid', 'for', 'holographic', 'dark', 'energy', 'is', 'classically', 'unstable', 'hence', 'the', 'holographic', 'interpretation', 'for', 'chaplygin', 'gas', 'and', 'tachyon', 'is', 'problematic']]
|
[-0.13227644999428728, 0.17207451668788784, -0.12192918333829832, 0.1447089994866305, -0.11292174610203688, -0.1901709321771086, -0.05207354929322166, 0.3377219465820445, -0.21153671584408923, -0.29070347694910526, 0.05078652876875719, -0.26815489973373635, -0.044480011282373486, 0.12643485983651245, -0.013764748877855306, 0.060714997629606235, -0.0420153363867058, 0.07816071397884145, -0.047453300854594434, -0.2807357299151187, 0.36535491943887444, 0.11421299488619738, 0.2671755400591904, 0.10814737611133413, 0.14174893490979737, -0.05259117361916632, -0.0038935470481201544, 0.021622707087969043, -0.215648097890584, 0.029137088324317766, 0.21917152785955324, 0.0970202853672744, 0.21360251951972312, -0.3986493263047995, -0.28535701547624526, 0.17286533220507896, 0.14936741314271523, 0.11464544013112582, -0.04530401117907664, -0.2176160322521458, 0.04978199393102016, -0.20560058203919493, -0.1562035955565492, -0.07368793863726338, 0.009376819591162745, -0.024697354215211666, -0.20880266682235235, 0.19470295819847547, -0.048893051293076105, -0.030863027976460986, -0.1366929655664207, -0.06348399670084112, -0.015817324285270627, -0.006622620076649179, 0.11418859634462014, 0.009762174454661682, 0.1565550263087774, -0.21501824700936062, 0.006640560118500719, 0.3997878764189549, -0.14671173913658778, -0.21875487596334256, 0.16117651927640142, -0.1048871974494385, -0.049781655436669736, 0.07669985461404029, 0.0787834198953411, 0.07064161911971636, -0.12038206190939575, 0.12182824937962763, 0.003971233119055168, 0.16386311013880425, 0.1336875387717077, 0.043424017160900476, 0.32301176391234715, 0.07844313440998037, 0.04140083029981434, 0.13851740334624635, -0.05719765768021576, -0.1694421369592016, -0.37727843201959255, -0.22322490710534693, -0.1718885970215515, 0.006015696361200097, -0.133751734746164, -0.15068947770584798, 0.310221523027291, 0.10268110783828288, 0.17631523203604, 0.07763821921748176, 0.33812270774362013, 0.12826103519182652, -0.025315620211557935, 0.12761068142489673, 0.29420378845492284, 0.06105609235267356, 0.12738593042463295, -0.29031119311286, -0.04619046359217351, 0.09184061083222557]
|
706.3758
|
Diffusion of Macromolecules across the Nuclear Pore Complex
|
Nuclear pore complexes (NPCs) are very selective filters that monitor the
transport between the cytoplasm and the nucleoplasm. Two models have been
suggested for the plug of the NPC. They are (i) it is a reversible hydrogel or
(ii) it is a polymer brush. We propose a mesoscopic model for the transport of
a protein through the plug, that is general enough to cover both. The protein
stretches the plug and creates a local deformation. The bubble so created
(prtoein+deformation) executes random walk in the plug. We find that for faster
relaxation of the gel, the diffusion of the bubble is greater. Further, on
using parameters appropriate for the brush, we find that the diffusion
coefficient is much lower. Hence the gel model seems to be more likely
explanation for the workings of the plug.
|
cond-mat.soft cond-mat.stat-mech physics.bio-ph q-bio.CB
|
nuclear pore complexes npcs are very selective filters that monitor the transport between the cytoplasm and the nucleoplasm two models have been suggested for the plug of the npc they are i it is a reversible hydrogel or ii it is a polymer brush we propose a mesoscopic model for the transport of a protein through the plug that is general enough to cover both the protein stretches the plug and creates a local deformation the bubble so created prtoeindeformation executes random walk in the plug we find that for faster relaxation of the gel the diffusion of the bubble is greater further on using parameters appropriate for the brush we find that the diffusion coefficient is much lower hence the gel model seems to be more likely explanation for the workings of the plug
|
[['nuclear', 'pore', 'complexes', 'npcs', 'are', 'very', 'selective', 'filters', 'that', 'monitor', 'the', 'transport', 'between', 'the', 'cytoplasm', 'and', 'the', 'nucleoplasm', 'two', 'models', 'have', 'been', 'suggested', 'for', 'the', 'plug', 'of', 'the', 'npc', 'they', 'are', 'i', 'it', 'is', 'a', 'reversible', 'hydrogel', 'or', 'ii', 'it', 'is', 'a', 'polymer', 'brush', 'we', 'propose', 'a', 'mesoscopic', 'model', 'for', 'the', 'transport', 'of', 'a', 'protein', 'through', 'the', 'plug', 'that', 'is', 'general', 'enough', 'to', 'cover', 'both', 'the', 'protein', 'stretches', 'the', 'plug', 'and', 'creates', 'a', 'local', 'deformation', 'the', 'bubble', 'so', 'created', 'prtoeindeformation', 'executes', 'random', 'walk', 'in', 'the', 'plug', 'we', 'find', 'that', 'for', 'faster', 'relaxation', 'of', 'the', 'gel', 'the', 'diffusion', 'of', 'the', 'bubble', 'is', 'greater', 'further', 'on', 'using', 'parameters', 'appropriate', 'for', 'the', 'brush', 'we', 'find', 'that', 'the', 'diffusion', 'coefficient', 'is', 'much', 'lower', 'hence', 'the', 'gel', 'model', 'seems', 'to', 'be', 'more', 'likely', 'explanation', 'for', 'the', 'workings', 'of', 'the', 'plug']]
|
[-0.0827556611620821, 0.17068529153831735, -0.12123186807773674, 0.04770098910614876, -0.044834691906042064, -0.16601463951128745, 0.0022450121529678357, 0.4142617930922268, -0.284801286617433, -0.21125187355079758, 0.09246650021158354, -0.24501202832351424, -0.16203069394635064, 0.168102201722465, -0.02697316514077916, -0.011046877686879527, 0.03616038155820179, 0.035152260075086976, 0.014089093143085657, -0.18302611173339076, 0.23584426956080984, 0.07875683219797576, 0.27004036213507626, 0.09456042478681166, 0.10251135043382867, -0.05380916180186419, 0.017604289166351306, 0.03844194887761972, -0.1662148932429854, 0.13031246360224574, 0.17415364460452, 0.06142038948062474, 0.2782157800480056, -0.48174989363873627, -0.25428190766903225, 0.08327711602228123, 0.14891346639244638, 0.15072144972813775, -0.03212062069773066, -0.20946089894191097, 0.09653789085941346, -0.16259082929759439, -0.0791380865527178, -0.048767833073915384, 0.05711606460790247, 0.04138864474649082, -0.2675654083714515, 0.06708927092198004, 0.09014284724036037, 0.02274120831167075, -0.04444235675002156, -0.07460341964928266, -0.02869484257370011, 0.14069012415581453, 0.02834642019623251, 0.008207802910969328, 0.24297152596887256, -0.16222976576258888, -0.019637273534187184, 0.37245759852890814, -0.024507760615852563, -0.19665750627120984, 0.20883022295832357, -0.11484926871941495, -0.07625056244085418, 0.16763854780192697, 0.13925492888796073, 0.10815484471942312, -0.14706942928371144, 0.019330378982356625, -0.0543070324182288, 0.17208013293131796, 0.05495569722921546, -0.05807986345494847, 0.18495419790096052, 0.22019612653625767, 0.09612919837966172, 0.1706983183724319, -0.1400811931899666, -0.11532183289319388, -0.2593490645956637, -0.22359719767527125, -0.1662275965930199, 0.023296991397918604, -0.11178925690747651, -0.19781447967788926, 0.3880335951029365, 0.10719617519096764, 0.19542137044134425, 0.041532775807653126, 0.22979378591138702, 0.05244861825702907, 0.12294934147885486, 0.07451219839016114, 0.23502801856766245, 0.10297644665158952, 0.1029389371840047, -0.23090317437022145, 0.14246712043297602, 0.046038908444331096]
|
706.3759
|
Sharp linear and bilinear restriction estimates for paraboloids in the
cylindrically symmetric case
|
For cylindrically symmetric functions dyadically supported on the paraboloid,
we obtain a family of sharp linear and bilinear adjoint restriction estimates.
As corollaries, we first extend the ranges of exponents for the classical
\textit{linear or bilinear adjoint restriction conjectures} for such functions
and verify the \textit{linear adjoint restriction conjecture} for the
paraboloid. We also interpret the restriction estimates in terms of solutions
to the Schr\"odinger equation and establish the analogous results when the
paraboloid is replaced by the lower third of the sphere.
|
math.CA math.AP
|
for cylindrically symmetric functions dyadically supported on the paraboloid we obtain a family of sharp linear and bilinear adjoint restriction estimates as corollaries we first extend the ranges of exponents for the classical textitlinear or bilinear adjoint restriction conjectures for such functions and verify the textitlinear adjoint restriction conjecture for the paraboloid we also interpret the restriction estimates in terms of solutions to the schrodinger equation and establish the analogous results when the paraboloid is replaced by the lower third of the sphere
|
[['for', 'cylindrically', 'symmetric', 'functions', 'dyadically', 'supported', 'on', 'the', 'paraboloid', 'we', 'obtain', 'a', 'family', 'of', 'sharp', 'linear', 'and', 'bilinear', 'adjoint', 'restriction', 'estimates', 'as', 'corollaries', 'we', 'first', 'extend', 'the', 'ranges', 'of', 'exponents', 'for', 'the', 'classical', 'textitlinear', 'or', 'bilinear', 'adjoint', 'restriction', 'conjectures', 'for', 'such', 'functions', 'and', 'verify', 'the', 'textitlinear', 'adjoint', 'restriction', 'conjecture', 'for', 'the', 'paraboloid', 'we', 'also', 'interpret', 'the', 'restriction', 'estimates', 'in', 'terms', 'of', 'solutions', 'to', 'the', 'schrodinger', 'equation', 'and', 'establish', 'the', 'analogous', 'results', 'when', 'the', 'paraboloid', 'is', 'replaced', 'by', 'the', 'lower', 'third', 'of', 'the', 'sphere']]
|
[-0.09362066709660892, 0.041572678469525406, -0.06271763320967376, 0.10268028294078511, -0.13233320707881666, -0.11266605875241649, 0.006266524501885456, 0.28284731509124705, -0.2716458205986454, -0.19340156559153537, 0.16566138921574836, -0.2611876606284809, -0.1134963475801724, 0.24337008770229857, -0.06621760794758258, 0.10677219635571342, 0.01868605326457196, 0.05735405262963599, -0.15815356878440334, -0.22890255607507495, 0.38585885362811834, -0.08251685283359993, 0.1990745842165078, 0.10051114859195505, 0.07978622565405016, 0.048358939203759096, -0.010359145392360816, -0.08887282642255347, -0.18798049140990858, 0.15579134829521898, 0.16507886406258646, 0.0344381084306592, 0.21882155775485268, -0.40379654645291435, -0.15976383443080247, 0.14898069165871444, 0.12756565796419647, 0.027757375175694387, -0.03790815928754543, -0.3098831151511116, 0.10375609798693514, -0.12135142772963428, -0.2546160694222942, -0.055300215124545325, 0.01037517496306135, 0.07010837304349764, -0.3463038390794073, 0.09156188349406437, 0.13280390485762114, 0.05867468120799546, -0.15769329563860435, -0.11885525073844895, -0.014181812563125628, 0.07190703064047574, 0.033679414403075016, 0.013641428063533842, 0.01666403858058424, -0.11794073987438018, -0.09612898517355144, 0.3419192614144623, -0.10324852913898606, -0.2996251561555518, 0.13283847008708372, -0.16328272077041756, -0.1126150960545897, 0.03825174368558878, 0.11516722303489785, 0.14065998495859375, -0.05924563208424503, 0.16717184085962755, -0.12683525550914143, 0.10442445647526892, 0.1564570159752326, 0.0017045398119343333, 0.08516589600693839, 0.041527170852017424, 0.15128048327583146, 0.19355613533239138, 0.02066575336068061, -0.08999366509582264, -0.3630437547542963, -0.20501480796949445, -0.15228176987673864, 0.05852546853697803, -0.13512231899002505, -0.15509314146117273, 0.34922515888171024, 0.05215685693645311, 0.17709025195575354, 0.14528524113751679, 0.2448050130652376, 0.20791003684631088, 0.03921648262472576, 0.053522317311221576, 0.21781170885471335, 0.22340743291101992, 0.04722037284735994, -0.15933182491662812, -0.020403280596147818, 0.21348543301314474]
|
706.376
|
Correlation between transport properties and lattice effects in the
NdCoO3 based catalysts and sensor materials
|
This study presents correlations between the structural and transport
properties of pure and doped neodymium cobaltate, a compound of great interest
for its foreseen applications as catalyst, sensor and thermoelectric material.
Neutron and x-ray powder diffraction data have been combined to carefully
determine lattice constants and atomic positions and four probe direct current
conductivity and thermoelectric power measurements allowed us to follow the
thermal evolution of the transport properties of these compounds. The dramatic
improvement of the room temperature conductivity of Nd0.8Ca0.2CoO3 with respect
to the pure and the Na-doped compound is explained in terms of a different
spin-state for the Co ions within this structure. The higher conductivity and
the absence of anomalies in the thermal expansion makes the Ca-doped compound
more attractive than the pure NdCoO3 in view of possible applications. The
experimental data and the Co environment analysis here discussed, in particular
bond lengths distortion and bending angles, are fully consistent with a spin
state (low to intermediate) transition in NdCoO3
|
cond-mat.mtrl-sci
|
this study presents correlations between the structural and transport properties of pure and doped neodymium cobaltate a compound of great interest for its foreseen applications as catalyst sensor and thermoelectric material neutron and xray powder diffraction data have been combined to carefully determine lattice constants and atomic positions and four probe direct current conductivity and thermoelectric power measurements allowed us to follow the thermal evolution of the transport properties of these compounds the dramatic improvement of the room temperature conductivity of nd08ca02coo3 with respect to the pure and the nadoped compound is explained in terms of a different spinstate for the co ions within this structure the higher conductivity and the absence of anomalies in the thermal expansion makes the cadoped compound more attractive than the pure ndcoo3 in view of possible applications the experimental data and the co environment analysis here discussed in particular bond lengths distortion and bending angles are fully consistent with a spin state low to intermediate transition in ndcoo3
|
[['this', 'study', 'presents', 'correlations', 'between', 'the', 'structural', 'and', 'transport', 'properties', 'of', 'pure', 'and', 'doped', 'neodymium', 'cobaltate', 'a', 'compound', 'of', 'great', 'interest', 'for', 'its', 'foreseen', 'applications', 'as', 'catalyst', 'sensor', 'and', 'thermoelectric', 'material', 'neutron', 'and', 'xray', 'powder', 'diffraction', 'data', 'have', 'been', 'combined', 'to', 'carefully', 'determine', 'lattice', 'constants', 'and', 'atomic', 'positions', 'and', 'four', 'probe', 'direct', 'current', 'conductivity', 'and', 'thermoelectric', 'power', 'measurements', 'allowed', 'us', 'to', 'follow', 'the', 'thermal', 'evolution', 'of', 'the', 'transport', 'properties', 'of', 'these', 'compounds', 'the', 'dramatic', 'improvement', 'of', 'the', 'room', 'temperature', 'conductivity', 'of', 'nd08ca02coo3', 'with', 'respect', 'to', 'the', 'pure', 'and', 'the', 'nadoped', 'compound', 'is', 'explained', 'in', 'terms', 'of', 'a', 'different', 'spinstate', 'for', 'the', 'co', 'ions', 'within', 'this', 'structure', 'the', 'higher', 'conductivity', 'and', 'the', 'absence', 'of', 'anomalies', 'in', 'the', 'thermal', 'expansion', 'makes', 'the', 'cadoped', 'compound', 'more', 'attractive', 'than', 'the', 'pure', 'ndcoo3', 'in', 'view', 'of', 'possible', 'applications', 'the', 'experimental', 'data', 'and', 'the', 'co', 'environment', 'analysis', 'here', 'discussed', 'in', 'particular', 'bond', 'lengths', 'distortion', 'and', 'bending', 'angles', 'are', 'fully', 'consistent', 'with', 'a', 'spin', 'state', 'low', 'to', 'intermediate', 'transition', 'in', 'ndcoo3']]
|
[-0.10216523362656257, 0.1606121284378149, -0.029374493421951992, -0.004118896197955709, -0.027214668715742896, -0.10274033783501164, 0.10846943332472388, 0.4115011758454468, -0.2731329509120735, -0.28360848709462233, 0.06124919387569755, -0.33994020872766745, -0.06991175365466509, 0.17856544418757933, 0.03698492645262885, 0.05377070784752448, -0.013293333264842907, -0.022283910490248516, -0.12351514419042472, -0.1908403402649919, 0.24644287035262546, 0.11158893762954644, 0.3288963735262684, 0.09522587090574483, 0.056739421944590925, 0.0027489293401378283, 0.041829149047873035, 0.042277540285603044, -0.14101483309005172, 0.10108379723492616, 0.2657929432436662, -0.04127182091947107, 0.13256115025713439, -0.4354487386017297, -0.23365597549525108, 0.03294668770510911, 0.086544913106731, 0.10058834175405712, -0.07061507981691743, -0.21450604207131155, 0.047197906823209866, -0.1619863239411982, -0.12898271104540698, -0.1128326365261437, 0.004449285738989393, 0.009481681142037051, -0.23172918487787073, 0.10259440354713649, 0.04342228478046354, 0.09263903446139779, -0.1253739067285339, -0.17774512180306526, -0.04608355949326239, 0.097602529791097, 0.054266070824128036, 0.0010922914197356063, 0.1626681965719388, -0.12975253633611042, -0.10069606677623269, 0.40941021238563596, -0.05137642566015241, -0.0676332462343289, 0.18729155391211744, -0.20924659495629508, -0.1216030226794783, 0.16455862770053725, 0.1232945621982564, 0.09972105542579608, -0.18487336785100134, 0.03831017579683045, 0.015544917622453863, 0.16294377786830438, 0.05499116631994105, 0.11327818320971561, 0.23140777678732177, 0.198380132552138, 0.008735858845403012, 0.16435239057241713, -0.12476855604649052, -0.055185565644345874, -0.20652829622849822, -0.19333127526254018, -0.165578785003886, 0.06722424892919797, -0.10768935010399343, -0.15873750474489068, 0.3711460348253387, 0.15050050753070424, 0.17715895943551885, -0.06767121406838945, 0.2589126448761614, 0.06853527533648224, 0.06139575431025038, -0.0123861210640543, 0.2631902553268379, 0.1943891622264933, 0.14931166365812099, -0.29253167695776555, 0.12805995826684632, -0.046435786634687226]
|
706.3761
|
Uppers to zero and semistar operations in polynomial rings
|
Given a stable semistar operation of finite type $\star$ on an integral
domain $D$, we show that it is possible to define in a canonical way a stable
semistar operation of finite type $[\star]$ on the polynomial ring $D[X]$, such
that $D$ is a $\star$-quasi-Pr\"ufer domain if and only if each upper to zero
in $D[X]$ is a quasi-$[\star]$-maximal ideal. This result completes the
investigation initiated by Houston-Malik-Mott \cite[Section 2]{hmm} in the star
operation setting. Moreover, we show that $D$ is a Pr\"ufer
$\star$-multiplication (resp., a $\star$-Noetherian; a $\star$-Dedekind) domain
if and only if $D[X]$ is a Pr\"ufer $[\star]$-multiplication (resp., a
$[\star]$-Noetherian; a $[\star]$-Dedekind) domain. As an application of the
techniques introduced here, we obtain a new interpretation of the
Gabriel-Popescu localizing systems of finite type on an integral domain $D$
(Problem 45 of \cite{cg}), in terms of multiplicatively closed sets of the
polynomial ring $D[X]$.
|
math.AC math.AG
|
given a stable semistar operation of finite type star on an integral domain d we show that it is possible to define in a canonical way a stable semistar operation of finite type star on the polynomial ring dx such that d is a starquasiprufer domain if and only if each upper to zero in dx is a quasistarmaximal ideal this result completes the investigation initiated by houstonmalikmott citesection 2hmm in the star operation setting moreover we show that d is a prufer starmultiplication resp a starnoetherian a stardedekind domain if and only if dx is a prufer starmultiplication resp a starnoetherian a stardedekind domain as an application of the techniques introduced here we obtain a new interpretation of the gabrielpopescu localizing systems of finite type on an integral domain d problem 45 of citecg in terms of multiplicatively closed sets of the polynomial ring dx
|
[['given', 'a', 'stable', 'semistar', 'operation', 'of', 'finite', 'type', 'star', 'on', 'an', 'integral', 'domain', 'd', 'we', 'show', 'that', 'it', 'is', 'possible', 'to', 'define', 'in', 'a', 'canonical', 'way', 'a', 'stable', 'semistar', 'operation', 'of', 'finite', 'type', 'star', 'on', 'the', 'polynomial', 'ring', 'dx', 'such', 'that', 'd', 'is', 'a', 'starquasiprufer', 'domain', 'if', 'and', 'only', 'if', 'each', 'upper', 'to', 'zero', 'in', 'dx', 'is', 'a', 'quasistarmaximal', 'ideal', 'this', 'result', 'completes', 'the', 'investigation', 'initiated', 'by', 'houstonmalikmott', 'citesection', '2hmm', 'in', 'the', 'star', 'operation', 'setting', 'moreover', 'we', 'show', 'that', 'd', 'is', 'a', 'prufer', 'starmultiplication', 'resp', 'a', 'starnoetherian', 'a', 'stardedekind', 'domain', 'if', 'and', 'only', 'if', 'dx', 'is', 'a', 'prufer', 'starmultiplication', 'resp', 'a', 'starnoetherian', 'a', 'stardedekind', 'domain', 'as', 'an', 'application', 'of', 'the', 'techniques', 'introduced', 'here', 'we', 'obtain', 'a', 'new', 'interpretation', 'of', 'the', 'gabrielpopescu', 'localizing', 'systems', 'of', 'finite', 'type', 'on', 'an', 'integral', 'domain', 'd', 'problem', '45', 'of', 'citecg', 'in', 'terms', 'of', 'multiplicatively', 'closed', 'sets', 'of', 'the', 'polynomial', 'ring', 'dx']]
|
[-0.18667428285947868, 0.07669916053782799, -0.08942199363040605, 0.020436390173355384, -0.08513646761088499, -0.1356512631555753, 0.04111999305896461, 0.3462637710983732, -0.3346084740079407, -0.1296415747575728, 0.13500630096532404, -0.21963333619226302, -0.11111360138747842, 0.20586904288419255, -0.11537685447505543, -0.047910099835800274, 0.06353144932405225, 0.13181644220437322, -0.06480034849082586, -0.2770954759259309, 0.34112511136169943, -0.06967385468472327, 0.18363285325800202, 0.05673476594965905, 0.12542436476796864, -0.0022425592444571003, 0.0040429257920810155, 0.016362601052969696, -0.1802480381488879, 0.10925415028302399, 0.23324214949139527, 0.13238500599483294, 0.27527272846283657, -0.3525750271842948, -0.151804155004876, 0.17442165800353646, 0.14292098360934427, -0.016958035202696918, -0.012132968883296208, -0.21852909924595484, 0.1714704648074985, -0.1948056438538645, -0.15465442197663443, -0.020525037091491477, 0.14772681736919496, -0.002320284117013216, -0.3275540119402909, -0.007319510801296149, 0.1410726295983685, 0.09360756720894382, -0.0572447557002306, -0.06396085096722735, -0.002538493588300688, 0.03253656329720148, -0.07544845045693883, 0.10674271445854434, 0.05159739160028819, -0.09931198730066951, -0.10824001267485853, 0.3417244353132056, -0.08389883748854378, -0.2227818870052163, 0.16946835432068577, -0.1900188659218007, -0.10662899077869951, 0.08960307466664484, 0.06032780039656375, 0.21834359454390193, -0.11535703686199018, 0.19531566875770556, -0.10312997851121639, 0.14956996387003788, 0.10671111371900355, 0.022865786998798803, 0.12812222125940026, 0.17568674435772533, 0.13721141892061237, 0.1684863166950111, -0.05608852359832132, -5.12009856590469e-05, -0.3679572938675327, -0.16578464139518992, -0.19206713940948247, 0.12203724832839466, -0.05838224288953435, -0.1626439262979797, 0.36190952742472293, 0.02349797989507871, 0.1771664298937789, 0.04377242384112573, 0.23910438371655932, 0.08854870377357917, 0.05669170215260237, 0.07746055247927351, 0.08805250674236699, 0.14798275836510583, 0.043189467659353144, -0.20319189850623454, 0.015393600671086461, 0.13434023273377013]
|
706.3762
|
Dynamics and neutrino signal of black hole formation in non-rotating
failed supernovae. I. EOS dependence
|
We study the black hole formation and the neutrino signal from the
gravitational collapse of a non-rotating massive star of 40 Msun. Adopting two
different sets of realistic equation of state (EOS) of dense matter, we perform
the numerical simulations of general relativistic neutrino-radiation
hydrodynamics under the spherical symmetry. We make comparisons of the core
bounce, the shock propagation, the evolution of nascent proto-neutron star and
the resulting re-collapse to black hole to reveal the influence of EOS. We also
explore the influence of EOS on the neutrino emission during the evolution
toward the black hole formation. We find that the speed of contraction of the
nascent proto-neutron star, whose mass increases fast due to the intense
accretion, is different depending on the EOS and the resulting profiles of
density and temperature differ significantly. The black hole formation occurs
at 0.6-1.3 sec after bounce when the proto-neutron star exceeds its maximum
mass, which is crucially determined by the EOS. We find that the average
energies of neutrinos increase after bounce because of rapid temperature
increase, but at different speeds depending on the EOS. The duration of
neutrino emission up to the black hole formation is found different according
to the different timing of re-collapse. These characteristics of neutrino
signatures are distinguishable from those for ordinary proto-neutron stars in
successful core-collapse supernovae. We discuss that a future detection of
neutrinos from black-hole-forming collapse will contribute to reveal the black
hole formation and to constrain the EOS at high density and temperature.
|
astro-ph hep-ph nucl-th
|
we study the black hole formation and the neutrino signal from the gravitational collapse of a nonrotating massive star of 40 msun adopting two different sets of realistic equation of state eos of dense matter we perform the numerical simulations of general relativistic neutrinoradiation hydrodynamics under the spherical symmetry we make comparisons of the core bounce the shock propagation the evolution of nascent protoneutron star and the resulting recollapse to black hole to reveal the influence of eos we also explore the influence of eos on the neutrino emission during the evolution toward the black hole formation we find that the speed of contraction of the nascent protoneutron star whose mass increases fast due to the intense accretion is different depending on the eos and the resulting profiles of density and temperature differ significantly the black hole formation occurs at 0613 sec after bounce when the protoneutron star exceeds its maximum mass which is crucially determined by the eos we find that the average energies of neutrinos increase after bounce because of rapid temperature increase but at different speeds depending on the eos the duration of neutrino emission up to the black hole formation is found different according to the different timing of recollapse these characteristics of neutrino signatures are distinguishable from those for ordinary protoneutron stars in successful corecollapse supernovae we discuss that a future detection of neutrinos from blackholeforming collapse will contribute to reveal the black hole formation and to constrain the eos at high density and temperature
|
[['we', 'study', 'the', 'black', 'hole', 'formation', 'and', 'the', 'neutrino', 'signal', 'from', 'the', 'gravitational', 'collapse', 'of', 'a', 'nonrotating', 'massive', 'star', 'of', '40', 'msun', 'adopting', 'two', 'different', 'sets', 'of', 'realistic', 'equation', 'of', 'state', 'eos', 'of', 'dense', 'matter', 'we', 'perform', 'the', 'numerical', 'simulations', 'of', 'general', 'relativistic', 'neutrinoradiation', 'hydrodynamics', 'under', 'the', 'spherical', 'symmetry', 'we', 'make', 'comparisons', 'of', 'the', 'core', 'bounce', 'the', 'shock', 'propagation', 'the', 'evolution', 'of', 'nascent', 'protoneutron', 'star', 'and', 'the', 'resulting', 'recollapse', 'to', 'black', 'hole', 'to', 'reveal', 'the', 'influence', 'of', 'eos', 'we', 'also', 'explore', 'the', 'influence', 'of', 'eos', 'on', 'the', 'neutrino', 'emission', 'during', 'the', 'evolution', 'toward', 'the', 'black', 'hole', 'formation', 'we', 'find', 'that', 'the', 'speed', 'of', 'contraction', 'of', 'the', 'nascent', 'protoneutron', 'star', 'whose', 'mass', 'increases', 'fast', 'due', 'to', 'the', 'intense', 'accretion', 'is', 'different', 'depending', 'on', 'the', 'eos', 'and', 'the', 'resulting', 'profiles', 'of', 'density', 'and', 'temperature', 'differ', 'significantly', 'the', 'black', 'hole', 'formation', 'occurs', 'at', '0613', 'sec', 'after', 'bounce', 'when', 'the', 'protoneutron', 'star', 'exceeds', 'its', 'maximum', 'mass', 'which', 'is', 'crucially', 'determined', 'by', 'the', 'eos', 'we', 'find', 'that', 'the', 'average', 'energies', 'of', 'neutrinos', 'increase', 'after', 'bounce', 'because', 'of', 'rapid', 'temperature', 'increase', 'but', 'at', 'different', 'speeds', 'depending', 'on', 'the', 'eos', 'the', 'duration', 'of', 'neutrino', 'emission', 'up', 'to', 'the', 'black', 'hole', 'formation', 'is', 'found', 'different', 'according', 'to', 'the', 'different', 'timing', 'of', 'recollapse', 'these', 'characteristics', 'of', 'neutrino', 'signatures', 'are', 'distinguishable', 'from', 'those', 'for', 'ordinary', 'protoneutron', 'stars', 'in', 'successful', 'corecollapse', 'supernovae', 'we', 'discuss', 'that', 'a', 'future', 'detection', 'of', 'neutrinos', 'from', 'blackholeforming', 'collapse', 'will', 'contribute', 'to', 'reveal', 'the', 'black', 'hole', 'formation', 'and', 'to', 'constrain', 'the', 'eos', 'at', 'high', 'density', 'and', 'temperature']]
|
[-0.098578813851811, 0.1935986549607478, -0.07303513107262552, 0.12373859859397635, -0.08944920916110277, -0.060836999085266144, 0.03922542511904612, 0.32313694326579573, -0.17980158075131475, -0.33418099221587183, 0.06930073501868174, -0.2801464807279408, 0.013303832110017538, 0.18696796375513078, 0.03715241015024367, -0.031078104473883286, 0.08461445625592023, 0.04052315288316458, -0.17785145542165265, -0.23549397463089553, 0.38889212646521626, 0.11135614646598696, 0.21968113603349776, 0.02768461921508424, 0.06707523867860436, -0.09823755590920337, -0.02151237447746098, -0.046164635223598455, -0.19822156561291193, -0.02375360873155296, 0.15616245213337243, 0.18195546148344874, 0.1777872490286827, -0.4538662411049008, -0.2692086378224194, 0.08639882069453597, 0.14303166611818596, 0.14482920986646786, -0.10840990911412518, -0.2554105261489749, 0.06158285945432726, -0.2571386726051569, -0.1490143278092146, 0.024814037300646304, 0.04274557190318592, 0.044963608775287864, -0.2086414709398523, 0.16728450242604595, 0.005237642040476203, -0.0938785204514861, -0.10676871648943052, -0.07494159054709598, -0.0882455966223497, 0.04127459952805657, 0.10488524633646011, 0.03226577887777239, 0.21564694976108148, -0.16905601486191155, -0.009451570261269807, 0.414142138287425, -0.048699744326993824, -0.02612131788802799, 0.19616403006389738, -0.24747877060284373, -0.12144504053762649, 0.17608509289176436, 0.17644721333915367, 0.13789739256724715, -0.09432057296234415, -0.02498865699907765, 0.05229986145440489, 0.1731250958815217, 0.11074174680933356, 0.02434325809008442, 0.3962783409547992, 0.20999648890178652, -0.0010635962784290313, 0.07694426548201591, -0.14005422556493433, -0.0957816727347672, -0.2620241537131369, -0.0833379230517894, -0.11458218824118376, 0.09720778535120189, -0.16669745614158454, -0.14555707613378763, 0.3722663225010037, 0.14019433452747762, 0.1427991676852107, -0.0043032647338695825, 0.2417603384759277, 0.08282003939943389, 0.0005341967639978975, 0.1298985037356615, 0.3503388681299984, 0.16737484504003078, 0.12034185904311016, -0.349187615102157, 0.037249407274648545, 0.031178061567246913]
|
706.3763
|
Suppression of Heating Rates in Cryogenic Surface-Electrode Ion Traps
|
Dense arrays of trapped ions provide one way of scaling up ion trap quantum
information processing. However, miniaturization of ion traps is currently
limited by sharply increasing motional state decoherence at sub-100 um
ion-electrode distances. We characterize heating rates in cryogenically cooled
surface-electrode traps, with characteristic sizes in 75 um to 150 um range.
Upon cooling to 6 K, the measured rates are suppressed by 7 orders of
magnitude, two orders of magnitude below previously published data of similarly
sized traps operated at room temperature. The observed noise depends strongly
on fabrication process, which suggests further improvements are possible.
|
quant-ph
|
dense arrays of trapped ions provide one way of scaling up ion trap quantum information processing however miniaturization of ion traps is currently limited by sharply increasing motional state decoherence at sub100 um ionelectrode distances we characterize heating rates in cryogenically cooled surfaceelectrode traps with characteristic sizes in 75 um to 150 um range upon cooling to 6 k the measured rates are suppressed by 7 orders of magnitude two orders of magnitude below previously published data of similarly sized traps operated at room temperature the observed noise depends strongly on fabrication process which suggests further improvements are possible
|
[['dense', 'arrays', 'of', 'trapped', 'ions', 'provide', 'one', 'way', 'of', 'scaling', 'up', 'ion', 'trap', 'quantum', 'information', 'processing', 'however', 'miniaturization', 'of', 'ion', 'traps', 'is', 'currently', 'limited', 'by', 'sharply', 'increasing', 'motional', 'state', 'decoherence', 'at', 'sub100', 'um', 'ionelectrode', 'distances', 'we', 'characterize', 'heating', 'rates', 'in', 'cryogenically', 'cooled', 'surfaceelectrode', 'traps', 'with', 'characteristic', 'sizes', 'in', '75', 'um', 'to', '150', 'um', 'range', 'upon', 'cooling', 'to', '6', 'k', 'the', 'measured', 'rates', 'are', 'suppressed', 'by', '7', 'orders', 'of', 'magnitude', 'two', 'orders', 'of', 'magnitude', 'below', 'previously', 'published', 'data', 'of', 'similarly', 'sized', 'traps', 'operated', 'at', 'room', 'temperature', 'the', 'observed', 'noise', 'depends', 'strongly', 'on', 'fabrication', 'process', 'which', 'suggests', 'further', 'improvements', 'are', 'possible']]
|
[-0.09186843981627714, 0.2994505606069596, 0.0698699385299338, -0.040087414633113314, 0.061098571283498194, -0.18860291243728364, 0.05386097961801546, 0.43771945489476427, -0.22909081172235687, -0.36268500936678566, 0.068538482303289, -0.3234978081432707, 0.08343657446705331, 0.25648219659548216, 0.0018671694496232602, 0.03099000648738854, 0.002761380471797152, -0.0611867640432643, -0.04387316045720563, -0.2952720017802685, 0.1770358155834291, 0.13045103024253904, 0.3149050266500751, 0.07246643023546596, 0.09042288453877913, -0.09021563507672964, 0.03390900603486131, -0.03484999320253429, -0.17296178898106168, 0.05213422236982921, 0.27558979277165063, -0.016736142925278405, 0.2241656681560356, -0.43807154574026963, -0.2004707186586327, 0.04502774879331654, 0.17805475158842676, 0.12805926566825934, -0.035862736278119485, -0.2206466655585576, 0.022503290414772552, -0.11481889879632026, -0.16613171146618147, -0.036272039112512665, 0.04835634458471428, 0.0367460589270305, -0.219770559490743, 0.09557167712053416, 0.08397636802707131, 0.12243978381909505, -0.05370370158572879, -0.16539177703059682, 0.041618661249451565, 0.005356227747997213, -0.08579133589066462, 0.04215807379623217, 0.3167449997389934, -0.060400688973716414, -0.08834500689379345, 0.3080247985857605, -0.08197516209276562, -0.022382157610146083, 0.23540386165294683, -0.22744117577729578, -0.002410398234114653, 0.2635130048682443, 0.13874137142850698, 0.08145634895378742, -0.1729242154255961, 0.018758384544094273, 0.09463603055161057, 0.23236695524562925, 0.1978835945459779, 0.14162759772370184, 0.23791012867833627, 0.21258040370697137, 0.07399309348230335, 0.1368786760307778, -0.1496101640649328, -0.044035179381178825, -0.2092828865849761, -0.07910701661662321, -0.1707548847577224, 0.06448852153485547, -0.08981234539827013, -0.06393604406691862, 0.3022471579036327, 0.1834582992631829, 0.18362076654842105, -0.01638668086121066, 0.3064084787937728, 0.06738119345685148, 0.15482035873580086, 0.042203212279186705, 0.26069796628158803, 0.14650869851630896, 0.10613442779132964, -0.2596290191833043, 0.013778894142520547, -0.060400690199017074]
|
706.3764
|
Scanning tunneling spectroscopy of inhomogeneous electronic structure in
monolayer and bilayer graphene on SiC
|
We present a scanning tunneling spectroscopy (STS) study of the local
electronic structure of single and bilayer graphene grown epitaxially on a
SiC(0001) surface. Low voltage topographic images reveal fine, atomic-scale
carbon networks, whereas higher bias images are dominated by emergent spatially
inhomogeneous large-scale structure similar to a carbon-rich reconstruction of
SiC(0001). STS spectroscopy shows a ~100meV gap-like feature around zero bias
for both monolayer and bilayer graphene/SiC, as well as significant spatial
inhomogeneity in electronic structure above the gap edge. Nanoscale structure
at the SiC/graphene interface is seen to correlate with observed electronic
spatial inhomogeneity. These results are important for potential devices
involving electronic transport or tunneling in graphene/SiC.
|
cond-mat.str-el
|
we present a scanning tunneling spectroscopy sts study of the local electronic structure of single and bilayer graphene grown epitaxially on a sic0001 surface low voltage topographic images reveal fine atomicscale carbon networks whereas higher bias images are dominated by emergent spatially inhomogeneous largescale structure similar to a carbonrich reconstruction of sic0001 sts spectroscopy shows a 100mev gaplike feature around zero bias for both monolayer and bilayer graphenesic as well as significant spatial inhomogeneity in electronic structure above the gap edge nanoscale structure at the sicgraphene interface is seen to correlate with observed electronic spatial inhomogeneity these results are important for potential devices involving electronic transport or tunneling in graphenesic
|
[['we', 'present', 'a', 'scanning', 'tunneling', 'spectroscopy', 'sts', 'study', 'of', 'the', 'local', 'electronic', 'structure', 'of', 'single', 'and', 'bilayer', 'graphene', 'grown', 'epitaxially', 'on', 'a', 'sic0001', 'surface', 'low', 'voltage', 'topographic', 'images', 'reveal', 'fine', 'atomicscale', 'carbon', 'networks', 'whereas', 'higher', 'bias', 'images', 'are', 'dominated', 'by', 'emergent', 'spatially', 'inhomogeneous', 'largescale', 'structure', 'similar', 'to', 'a', 'carbonrich', 'reconstruction', 'of', 'sic0001', 'sts', 'spectroscopy', 'shows', 'a', '100mev', 'gaplike', 'feature', 'around', 'zero', 'bias', 'for', 'both', 'monolayer', 'and', 'bilayer', 'graphenesic', 'as', 'well', 'as', 'significant', 'spatial', 'inhomogeneity', 'in', 'electronic', 'structure', 'above', 'the', 'gap', 'edge', 'nanoscale', 'structure', 'at', 'the', 'sicgraphene', 'interface', 'is', 'seen', 'to', 'correlate', 'with', 'observed', 'electronic', 'spatial', 'inhomogeneity', 'these', 'results', 'are', 'important', 'for', 'potential', 'devices', 'involving', 'electronic', 'transport', 'or', 'tunneling', 'in', 'graphenesic']]
|
[-0.1707677847282453, 0.1067252008381977, -0.06368861291980879, 0.040555302245246075, -0.02030659105036069, -0.20070219936526634, 0.053134838248264385, 0.48266755982556125, -0.3046452951871536, -0.3667044962333007, -0.025068599972027268, -0.3221024653212887, -0.18001382144549014, 0.15236138659529389, 0.04695785758297213, 0.03321634631032463, 0.01596743789586154, -0.13329549451485614, -0.0673171027648178, -0.15641200627664645, 0.30838427584279665, 0.09407022607840852, 0.3808321151924743, 0.1274773156990043, 0.029564343511380934, -0.021213076157834042, 0.07823490231213244, 0.06632907790216533, -0.1361585997680033, 0.08144922497766939, 0.26596972230313853, -0.16886258649174124, 0.2042130239032717, -0.5101624698801475, -0.27394323389638553, -0.07795813108777193, 0.16374637881632556, 0.15504652779041367, -0.12423660729651932, -0.2829521223987368, 0.08338169094852425, -0.05195262849923562, -0.06494548925058387, -0.08442374695600434, -0.06796577063770118, -0.029116920299235394, -0.16296551341021603, 0.17167675831270487, -0.02694186557147821, 0.145562691077463, -0.12343825568955667, -0.12039326793852854, -0.1679091351720589, 0.060948205153214405, -0.05178859040183439, 0.03421037089375949, 0.24577519998208366, -0.13824136509052054, -0.07954438000663437, 0.3255964919670739, -0.08443591419914313, -0.04223395371174609, 0.17920982581774958, -0.22077758475630122, -0.07917089237069541, 0.1548448699441823, 0.10926646965301849, 0.09734474988230928, -0.1392995507900857, 0.050878545465424065, 0.0025773393900387666, 0.21451026966202666, 0.11539100351404738, 0.14105127994817765, 0.26715750252743337, 0.24642060630298643, 0.07196710528805852, 0.10836947822456502, -0.19529541440583256, 0.0252430001612414, -0.13948045622515068, -0.16696385880297218, -0.20183370877268977, 0.11584634668701752, -0.0643800926900109, -0.25959717721085657, 0.41520985509692265, 0.09613127639855851, 0.22371515965338734, -0.11728009459858929, 0.28591068149967624, 0.0587764735862782, 0.11246568051547828, -0.018358127506111155, 0.17354398715225133, 0.14410190752453425, 0.14435321469791235, -0.25405055215497585, 0.10260799743912437, -0.07107816317584366]
|
706.3765
|
A surprising method for polarising antiprotons
|
We propose a method for polarising antiprotons in a storage ring by means of
a polarised positron beam moving parallel to the antiprotons. If the relative
velocity is adjusted to $v/c \approx 0.002$ the cross section for spin-flip is
as large as about $2 \cdot 10^{13}$ barn as shown by new QED-calculations of
the triple spin-cross sections. Two possibilities for providing a positron
source with sufficient flux density are presented. A polarised positron beam
with a polarisation of 0.70 and a flux density of approximately $1.5 \cdot
10^{10}$/(mm$^2$ s) appears to be feasible by means of a radioactive $^{11}$C
dc-source. A more involved proposal is the production of polarised positrons by
pair production with circularly polarised photons. It yields a polarisation of
0.76 and requires the injection into a small storage ring. Such polariser
sources can be used at low (100 MeV) as well as at high (1 GeV) energy storage
rings providing a time of about one hour for polarisation build-up of about
$10^{10}$ antiprotons to a polarisation of about 0.18. A comparison with other
proposals show a gain in the figure-of-merit by a factor of about ten.
|
physics.acc-ph
|
we propose a method for polarising antiprotons in a storage ring by means of a polarised positron beam moving parallel to the antiprotons if the relative velocity is adjusted to vc approx 0002 the cross section for spinflip is as large as about 2 cdot 1013 barn as shown by new qedcalculations of the triple spincross sections two possibilities for providing a positron source with sufficient flux density are presented a polarised positron beam with a polarisation of 070 and a flux density of approximately 15 cdot 1010mm2 s appears to be feasible by means of a radioactive 11c dcsource a more involved proposal is the production of polarised positrons by pair production with circularly polarised photons it yields a polarisation of 076 and requires the injection into a small storage ring such polariser sources can be used at low 100 mev as well as at high 1 gev energy storage rings providing a time of about one hour for polarisation buildup of about 1010 antiprotons to a polarisation of about 018 a comparison with other proposals show a gain in the figureofmerit by a factor of about ten
|
[['we', 'propose', 'a', 'method', 'for', 'polarising', 'antiprotons', 'in', 'a', 'storage', 'ring', 'by', 'means', 'of', 'a', 'polarised', 'positron', 'beam', 'moving', 'parallel', 'to', 'the', 'antiprotons', 'if', 'the', 'relative', 'velocity', 'is', 'adjusted', 'to', 'vc', 'approx', '0002', 'the', 'cross', 'section', 'for', 'spinflip', 'is', 'as', 'large', 'as', 'about', '2', 'cdot', '1013', 'barn', 'as', 'shown', 'by', 'new', 'qedcalculations', 'of', 'the', 'triple', 'spincross', 'sections', 'two', 'possibilities', 'for', 'providing', 'a', 'positron', 'source', 'with', 'sufficient', 'flux', 'density', 'are', 'presented', 'a', 'polarised', 'positron', 'beam', 'with', 'a', 'polarisation', 'of', '070', 'and', 'a', 'flux', 'density', 'of', 'approximately', '15', 'cdot', '1010mm2', 's', 'appears', 'to', 'be', 'feasible', 'by', 'means', 'of', 'a', 'radioactive', '11c', 'dcsource', 'a', 'more', 'involved', 'proposal', 'is', 'the', 'production', 'of', 'polarised', 'positrons', 'by', 'pair', 'production', 'with', 'circularly', 'polarised', 'photons', 'it', 'yields', 'a', 'polarisation', 'of', '076', 'and', 'requires', 'the', 'injection', 'into', 'a', 'small', 'storage', 'ring', 'such', 'polariser', 'sources', 'can', 'be', 'used', 'at', 'low', '100', 'mev', 'as', 'well', 'as', 'at', 'high', '1', 'gev', 'energy', 'storage', 'rings', 'providing', 'a', 'time', 'of', 'about', 'one', 'hour', 'for', 'polarisation', 'buildup', 'of', 'about', '1010', 'antiprotons', 'to', 'a', 'polarisation', 'of', 'about', '018', 'a', 'comparison', 'with', 'other', 'proposals', 'show', 'a', 'gain', 'in', 'the', 'figureofmerit', 'by', 'a', 'factor', 'of', 'about', 'ten']]
|
[-0.09309057898353786, 0.19992974494659418, -0.041343797048604164, 0.07004644534915586, 0.019505111806918992, -0.13615461394341813, 0.026409245798886576, 0.39880668725314977, -0.23337272852659224, -0.36355128940572407, 0.01977237914563031, -0.3091170802309706, 0.09361583170657223, 0.253454038649294, 0.02506811756741356, 0.026525998777533706, 0.029250482435816447, 0.01801426537536286, -0.03895307409300192, -0.20730165550233545, 0.22262469602597726, 0.12862910529648935, 0.2204022164934793, 0.10299218518256738, 0.144876059592777, 0.002406537188279971, -0.002290814078563975, -0.03187032808216188, -0.06652429384254926, 0.13799191763423183, 0.2339498134782991, 0.09652061049096487, 0.19083049591328646, -0.3736613921519067, -0.16436312175985124, 0.0990411212844019, 0.12178247878957238, 0.05943800610540485, -0.07338742091410126, -0.23677937899703613, 0.10772936510589175, -0.20169916053277415, -0.1461223532105922, -0.02258120374227056, 0.06101232406060287, 0.03497167010917454, -0.2939430015740564, 0.07745781733207656, -0.011894988000976563, 0.050095250495281574, -0.028937166693897263, -0.146936408675754, -0.02516303107872404, -0.015298647121400447, 0.031552828041635256, 0.10882044874534413, 0.1688629989411581, -0.10587333960055902, -0.11294771075450086, 0.3935447778653454, -0.08911367563681828, -0.12612350023024388, 0.09131528044471869, -0.1863677178434021, -0.05897100426734903, 0.23776666229540433, 0.16358106590703608, 0.11723626068214307, -0.1306403474076777, 0.00805016484920162, -0.01626291977858322, 0.22276894925288052, 0.11538598814576462, 0.03990849207180577, 0.25263838704574754, 0.18895140619117867, 0.07892304560754801, 0.10310394602255091, -0.1662782866407085, 0.03080356803194091, -0.32228995190077536, -0.16805368614559238, -0.09673640543242563, 0.16190032687138867, -0.055567466692741006, -0.039904103345218794, 0.36955323268130824, 0.04623949446690244, 0.26581636831869143, -0.02358416330912528, 0.3467962301915159, 0.10202936098086522, 0.06780450993997825, 0.07315366302138647, 0.23462725670778545, 0.17067504671930864, 0.10274616249560102, -0.15417688691585854, 0.026592424057988052, -0.04759538436711237]
|
706.3766
|
Photoproduction of Hadron Pairs at Fixed-Target Experiments
|
We consider the photoproduction of two hadrons in polarized lepton-nucleon
collisions in the framework of perturbative QCD at the next-to-leading order
accuracy. After illustrating how to obtain the experimentally relevant
observables, a phenomenological study of the photoproduction of hadron pairs at
high transverse momenta is presented. We show theoretical predictions for the
relevant cross sections at COMPASS and HERMES kinematics as well as theoretical
uncertainties.
|
hep-ph
|
we consider the photoproduction of two hadrons in polarized leptonnucleon collisions in the framework of perturbative qcd at the nexttoleading order accuracy after illustrating how to obtain the experimentally relevant observables a phenomenological study of the photoproduction of hadron pairs at high transverse momenta is presented we show theoretical predictions for the relevant cross sections at compass and hermes kinematics as well as theoretical uncertainties
|
[['we', 'consider', 'the', 'photoproduction', 'of', 'two', 'hadrons', 'in', 'polarized', 'leptonnucleon', 'collisions', 'in', 'the', 'framework', 'of', 'perturbative', 'qcd', 'at', 'the', 'nexttoleading', 'order', 'accuracy', 'after', 'illustrating', 'how', 'to', 'obtain', 'the', 'experimentally', 'relevant', 'observables', 'a', 'phenomenological', 'study', 'of', 'the', 'photoproduction', 'of', 'hadron', 'pairs', 'at', 'high', 'transverse', 'momenta', 'is', 'presented', 'we', 'show', 'theoretical', 'predictions', 'for', 'the', 'relevant', 'cross', 'sections', 'at', 'compass', 'and', 'hermes', 'kinematics', 'as', 'well', 'as', 'theoretical', 'uncertainties']]
|
[-0.04225985240370322, 0.16648471521643493, -0.13608307731696045, 0.17028342322983708, 0.0011807427920687656, -0.027681224012317564, -0.029125249701050612, 0.3867152382261478, -0.16454650355646244, -0.2193912712713847, -0.08919523052083185, -0.3723653852366484, 0.05747816629277972, 0.16247045532442056, 0.11982619586185767, 0.16745542574387332, 0.09398745900163284, 0.005549322140331452, -0.030032751222069446, -0.22891514179869912, 0.34058294439545045, 0.09514095771771211, 0.2246041300563285, 0.21677007420131794, 0.1072301484644413, 0.08597986677733178, -0.05990108881288996, -0.041659604772352254, -0.16542057798315699, 0.06063047294692996, 0.34427122513835245, 0.01591443529782387, 0.09575104038231075, -0.3647124557827528, -0.09992217173656592, 0.03371591555097928, 0.13696579550607846, 0.17436111658238448, -0.02249285846662063, -0.2691475407148783, 0.07626174276049894, -0.219519578694151, -0.17994871532114654, -0.17307502253410909, -0.019470811183922566, -0.008722633771741619, -0.3132131366650216, 0.05045355792658834, -0.0781005350425123, 0.0836483872997073, 0.005806200765073299, -0.21138801483007577, -0.040140184477114906, 0.046064484470452256, 0.08995096015994652, 0.08193798238196626, 0.14135154697757502, -0.20046562905100962, -0.21293635035220246, 0.42286545757490857, -0.011577065297975564, -0.14622576959216252, 0.108698032466838, -0.2836246272477393, -0.18636691860066584, 0.11997669483893193, 0.28322561727120327, 0.11211041348198285, -0.1876729222587668, 0.07436792757272577, -0.014480258338153362, 0.1147600500486218, 0.07973707279620262, 0.0731284772260831, 0.17607761369301722, 0.24458873567099754, -0.1007742179844242, 0.07394093563063786, -0.10404117484218799, -0.10110317637714056, -0.48478670787925904, -0.058076800502693426, -0.06938365639115755, 0.02896818528847339, -0.045365909859314206, -0.023315532534168317, 0.3592115419701888, 0.1339609896334318, 0.3450087376512014, 0.027815778897358822, 0.3932836748086489, 0.05940579539523102, -0.018113851403960816, 0.04145196925203961, 0.32949969757061737, 0.18969091261522128, 0.15280478563732824, -0.2624691356188403, 0.00892562151958163, 0.04453357056929515]
|
706.3767
|
Evolutionary stage of the spectral variable BD+48 1220=IRAS 05040+4820
|
Based on high-resolution observations (R=60000 and 75000), we have studied
the optical spectral variability of the star BD+48 1220 (IRAS05040+4820). We
have measured the equivalent widths of numerous absorption lines of neutral
atoms and ions at wavelengths from 4500 to 6760 AA, as well as the
corresponding radial velocities. We use model atmospheres to determine
Teff=7900K, log g=0.0, microturbulence velocity xi_t=6.0, and the abundances
for 16 elements. The star's metallicity differs little from the solar value:
[Fe/H]=-0.10 dex. The main peculiarity of the chemical composition of the star
is a large He-excess, derived from the HeI 5876 A absorption, [He/H]=+1.04, and
the equally large O-excess, [O/Fe]=+0.72 dex. The C-excess is small,
[C/Fe]=+0.09 dex, and the ratio [C/O]$\le$ 1. We obtained a revised relation
for the light-metal abundances: [Na/Fe]=+0.87 with [Mg/Fe]=-0.31. The barium
abundance is low, [Ba/Fe]=-0.84. The radial velocity of the star measured from
photospheric absorption lines over three years of observations varies in the
interval V_sun = -(7 - 15) km/s. Time variable differential line shifts have
been revealed. The entire set of available data (the luminosity Mv~-5m,
velocity V_lsr~-20 km/s, metallicity [Fe/H]=-0.10, and peculiarities of the
optical spectrum and chemical composition) confirms the status of BD+48 1220 as
a post-AGB star with He- and O-excesses belonging to the Galactic disk.
|
astro-ph
|
based on highresolution observations r60000 and 75000 we have studied the optical spectral variability of the star bd48 1220 iras050404820 we have measured the equivalent widths of numerous absorption lines of neutral atoms and ions at wavelengths from 4500 to 6760 aa as well as the corresponding radial velocities we use model atmospheres to determine teff7900k log g00 microturbulence velocity xi_t60 and the abundances for 16 elements the stars metallicity differs little from the solar value feh010 dex the main peculiarity of the chemical composition of the star is a large heexcess derived from the hei 5876 a absorption heh104 and the equally large oexcess ofe072 dex the cexcess is small cfe009 dex and the ratio cole 1 we obtained a revised relation for the lightmetal abundances nafe087 with mgfe031 the barium abundance is low bafe084 the radial velocity of the star measured from photospheric absorption lines over three years of observations varies in the interval v_sun 7 15 kms time variable differential line shifts have been revealed the entire set of available data the luminosity mv5m velocity v_lsr20 kms metallicity feh010 and peculiarities of the optical spectrum and chemical composition confirms the status of bd48 1220 as a postagb star with he and oexcesses belonging to the galactic disk
|
[['based', 'on', 'highresolution', 'observations', 'r60000', 'and', '75000', 'we', 'have', 'studied', 'the', 'optical', 'spectral', 'variability', 'of', 'the', 'star', 'bd48', '1220', 'iras050404820', 'we', 'have', 'measured', 'the', 'equivalent', 'widths', 'of', 'numerous', 'absorption', 'lines', 'of', 'neutral', 'atoms', 'and', 'ions', 'at', 'wavelengths', 'from', '4500', 'to', '6760', 'aa', 'as', 'well', 'as', 'the', 'corresponding', 'radial', 'velocities', 'we', 'use', 'model', 'atmospheres', 'to', 'determine', 'teff7900k', 'log', 'g00', 'microturbulence', 'velocity', 'xi_t60', 'and', 'the', 'abundances', 'for', '16', 'elements', 'the', 'stars', 'metallicity', 'differs', 'little', 'from', 'the', 'solar', 'value', 'feh010', 'dex', 'the', 'main', 'peculiarity', 'of', 'the', 'chemical', 'composition', 'of', 'the', 'star', 'is', 'a', 'large', 'heexcess', 'derived', 'from', 'the', 'hei', '5876', 'a', 'absorption', 'heh104', 'and', 'the', 'equally', 'large', 'oexcess', 'ofe072', 'dex', 'the', 'cexcess', 'is', 'small', 'cfe009', 'dex', 'and', 'the', 'ratio', 'cole', '1', 'we', 'obtained', 'a', 'revised', 'relation', 'for', 'the', 'lightmetal', 'abundances', 'nafe087', 'with', 'mgfe031', 'the', 'barium', 'abundance', 'is', 'low', 'bafe084', 'the', 'radial', 'velocity', 'of', 'the', 'star', 'measured', 'from', 'photospheric', 'absorption', 'lines', 'over', 'three', 'years', 'of', 'observations', 'varies', 'in', 'the', 'interval', 'v_sun', '7', '15', 'kms', 'time', 'variable', 'differential', 'line', 'shifts', 'have', 'been', 'revealed', 'the', 'entire', 'set', 'of', 'available', 'data', 'the', 'luminosity', 'mv5m', 'velocity', 'v_lsr20', 'kms', 'metallicity', 'feh010', 'and', 'peculiarities', 'of', 'the', 'optical', 'spectrum', 'and', 'chemical', 'composition', 'confirms', 'the', 'status', 'of', 'bd48', '1220', 'as', 'a', 'postagb', 'star', 'with', 'he', 'and', 'oexcesses', 'belonging', 'to', 'the', 'galactic', 'disk']]
|
[-0.02784768942910887, 0.12046364935364788, -0.008423914743616479, 0.035023532057797034, -0.04885565905412174, -0.0678487173524142, 0.06542762076484603, 0.4435893456296374, -0.18203298700973392, -0.35762586733471835, 0.032528920704862685, -0.32213394428739167, 0.04350598320949454, 0.1779430760058555, -0.03875716210798904, -0.011519138008225127, 0.06503380796129932, -0.03148654007479005, -0.05154072388055889, -0.21406247524161395, 0.2857827524858294, 0.04711720252695765, 0.15785887992266603, 0.0009434141441791629, 0.04112347959805144, -0.13765381200937554, -0.08919426186791195, -0.006234398793215708, -0.17996508798387367, 0.06657976354472339, 0.2004343758841666, 0.14457711515994257, 0.18593618251664643, -0.2798466733620444, -0.2063530679733958, 0.020769539063621778, 0.17284612401999766, 0.047474190661887405, -0.045694010548080165, -0.23264979307956915, 0.02631146893205975, -0.14167041205049222, -0.17100778510575765, 0.10951898922151788, 0.08929598755397213, 0.05997628106464011, -0.22916182027256582, 0.102593621832663, -0.01049981812623931, 0.20463164632080103, -0.12729188212567047, -0.19223070708540035, -0.11915373649875012, 0.09258023530856008, 0.005084522263132385, 0.03025275431840176, 0.13875372602584926, -0.06199840046125852, 0.01515132990850058, 0.4425970454758499, -0.17974108805841146, 0.03688214930055741, 0.19080318628160362, -0.20677372323916643, -0.1560978252067192, 0.1655313588489662, 0.1253771406773012, 0.12972689780751048, -0.141538899144507, 0.02915282497345591, -0.026461802386620548, 0.2323271796097591, 0.09269113769793573, 0.05702222716960629, 0.2466968174558133, 0.07811389326404121, -0.010941224291552013, 0.009514484284712429, -0.2647223031708563, -0.027142994246484402, -0.2146263434769935, -0.13944729465583805, -0.08764003358555783, 0.08661149611968237, -0.14923769506215953, -0.13195479570761867, 0.37226749717471347, 0.11640545124100754, 0.26230485413301113, 0.01605136677972041, 0.2725120216103581, 0.14139851363878128, 0.09809600941177148, 0.10252355597670733, 0.3028254693199415, 0.26300668393741944, 0.16264885991101133, -0.26857412774522044, 0.09216429779189639, 0.015671059480534193]
|
706.3768
|
Dynamic Exploration of Networks: from general principles to the
traceroute process
|
Dynamical processes taking place on real networks define on them evolving
subnetworks whose topology is not necessarily the same of the underlying one.
We investigate the problem of determining the emerging degree distribution,
focusing on a class of tree-like processes, such as those used to explore the
Internet's topology. A general theory based on mean-field arguments is
proposed, both for single-source and multiple-source cases, and applied to the
specific example of the traceroute exploration of networks. Our results provide
a qualitative improvement in the understanding of dynamical sampling and of the
interplay between dynamics and topology in large networks like the Internet.
|
physics.soc-ph cond-mat.dis-nn cs.NI physics.data-an
|
dynamical processes taking place on real networks define on them evolving subnetworks whose topology is not necessarily the same of the underlying one we investigate the problem of determining the emerging degree distribution focusing on a class of treelike processes such as those used to explore the internets topology a general theory based on meanfield arguments is proposed both for singlesource and multiplesource cases and applied to the specific example of the traceroute exploration of networks our results provide a qualitative improvement in the understanding of dynamical sampling and of the interplay between dynamics and topology in large networks like the internet
|
[['dynamical', 'processes', 'taking', 'place', 'on', 'real', 'networks', 'define', 'on', 'them', 'evolving', 'subnetworks', 'whose', 'topology', 'is', 'not', 'necessarily', 'the', 'same', 'of', 'the', 'underlying', 'one', 'we', 'investigate', 'the', 'problem', 'of', 'determining', 'the', 'emerging', 'degree', 'distribution', 'focusing', 'on', 'a', 'class', 'of', 'treelike', 'processes', 'such', 'as', 'those', 'used', 'to', 'explore', 'the', 'internets', 'topology', 'a', 'general', 'theory', 'based', 'on', 'meanfield', 'arguments', 'is', 'proposed', 'both', 'for', 'singlesource', 'and', 'multiplesource', 'cases', 'and', 'applied', 'to', 'the', 'specific', 'example', 'of', 'the', 'traceroute', 'exploration', 'of', 'networks', 'our', 'results', 'provide', 'a', 'qualitative', 'improvement', 'in', 'the', 'understanding', 'of', 'dynamical', 'sampling', 'and', 'of', 'the', 'interplay', 'between', 'dynamics', 'and', 'topology', 'in', 'large', 'networks', 'like', 'the', 'internet']]
|
[-0.14119196623362892, 0.054591750776322154, -0.07338553026099415, 0.1169281916113059, -0.06065526509694025, -0.0970188263214796, 0.06652361256819145, 0.34149826321677834, -0.2791350777580531, -0.3024194493122837, 0.10782602326214022, -0.24070909195214363, -0.22421295999311933, 0.20121880797851904, -0.020833069925406473, 0.02227431033537084, 0.05062508454694562, 0.045239658627086135, -0.031059212923305584, -0.20758894034638525, 0.36320815068286133, 0.03180156687420665, 0.3159064209526953, 0.06409845147829722, 0.08888479567352026, 0.03334208627290768, -0.05329720517529138, 0.041531950937407566, -0.13405232749395438, 0.14991938651370468, 0.2158405661363812, 0.14642589474233852, 0.2575976014794672, -0.4555037817826458, -0.263505923936107, 0.12696304262213992, 0.10297473079031881, 0.08106198143579212, -0.027112691101672894, -0.30222136026942265, 0.07661847804796279, -0.12140382880555561, -0.08916077414965805, -0.06703258303048856, -0.01012773911340856, 0.05963897024847421, -0.24016863634061142, -0.013465882240459049, 0.07694039155681179, 0.05237533750615137, -0.037300035489298514, -0.07693886230859504, -0.026750739743732207, 0.1981373581779646, -0.006277911113940326, 0.0011683411521873639, 0.10996399348711267, -0.1569087066203721, -0.16427964534537465, 0.39227140464765187, -0.010452696110815833, -0.19963821180749172, 0.24651433260170927, -0.10941172357392955, -0.1715894627530931, 0.05274311604101539, 0.2457571877257935, 0.12239949075806447, -0.114739645847722, 0.0668703193865333, -0.027242276771907128, 0.1106953742530416, -0.008861005178415308, 0.046019199650675316, 0.161149189798344, 0.24990189359888582, 0.07451249027337112, 0.1247516323871655, -0.0506509687621991, -0.19335709268902884, -0.24653151528521752, -0.10674396677709677, -0.1704376115938466, 0.06981895687118488, -0.12443894544541013, -0.196096373868047, 0.43432311991266176, 0.14783559455870143, 0.2168983439093127, 0.06270597466979833, 0.26927683227832483, 0.07352273850519137, 0.0482014470879792, 0.07151613697208756, 0.2058913707596195, 0.12271906113178999, 0.10465389552215736, -0.1963734180168888, 0.11548459068780728, 0.06124541921741968]
|
706.3769
|
Molecular gas and star formation in M81
|
We present IRAM 30m observations of the central 1.6 kpc of the spiral M81
galaxy. The molecular gas appears weak and with an unusual excitation physics.
We discuss a possible link between low CO emission and weak FUV surface
brightness.
|
astro-ph
|
we present iram 30m observations of the central 16 kpc of the spiral m81 galaxy the molecular gas appears weak and with an unusual excitation physics we discuss a possible link between low co emission and weak fuv surface brightness
|
[['we', 'present', 'iram', '30m', 'observations', 'of', 'the', 'central', '16', 'kpc', 'of', 'the', 'spiral', 'm81', 'galaxy', 'the', 'molecular', 'gas', 'appears', 'weak', 'and', 'with', 'an', 'unusual', 'excitation', 'physics', 'we', 'discuss', 'a', 'possible', 'link', 'between', 'low', 'co', 'emission', 'and', 'weak', 'fuv', 'surface', 'brightness']]
|
[-0.11950855072500417, 0.027738935072920867, -0.041629669908434155, 0.11436366809066385, -0.1018642779730726, -0.09902478758012875, 0.025726327573647723, 0.4767689922824502, -0.1630769688170403, -0.3132245915941894, 0.009106118360068648, -0.25705047852825375, -0.047127797198481855, 0.10273082182975486, 0.05870350104523823, -0.07489641152787954, -0.02085748845129274, -0.21944508906453847, -0.13235361168772214, -0.18405412901192902, 0.2732469176873565, 0.11519628185778856, 0.15057076432276517, 0.03636914165690541, 0.08886567156296224, -0.1645292400964536, -0.07154313555802219, -0.09187465903814881, -0.21787645046133547, 0.03990872732829302, 0.26862979945726695, 0.05557208184618503, 0.19430966093204916, -0.40254202927462757, -0.16532432402018457, 0.023708743683528155, 0.18291426913347095, 0.050697434414178136, -0.039127013110555706, -0.3112962849001633, 0.010637901048175991, -0.17667432598245797, -0.2648921543266624, 0.13665624003151605, 0.04310645165387541, 0.06121331009780988, -0.15118776126764716, 0.14669755287468433, -0.0485966269072378, 0.16483362833969295, -0.09851826571393758, -0.08971767639741302, -0.09185500429011881, 0.054010291048325595, -0.02521752301545348, 0.13877149800537153, 0.22406228554900737, -0.14500643545761704, -0.00466151621658355, 0.3369545053690672, -0.13984949367004446, 0.1270897910464555, 0.3473905300721526, -0.2590762393549085, -0.24215407213487197, 0.17260940857231616, 0.10038937572389842, 0.04579197553102858, -0.12352213750127702, 0.03198514377363608, -0.0866750713554211, 0.27653884323081, 0.06968036540783942, 0.11888465242845996, 0.38260626448318363, 0.07742869248613715, 0.07838469018461183, 0.16044328771531582, -0.4127184790500905, -0.024351367123017553, -0.2417893694480881, -0.13900986562948675, -0.10923523474484682, 0.13299271090654657, -0.13318937027288485, -0.07865297738462687, 0.2695718938601203, 0.059276834200136366, 0.23918257802724838, 0.009264704678207636, 0.3300169295631349, 0.053621268435381356, 0.05148442963836715, 0.1056183983804658, 0.3021950274705887, 0.26027684221044184, 0.08968597049824893, -0.29259598955977706, 0.006689002935308963, -0.02848815331235528]
|
706.377
|
Motion of a Vector Particle in a Curved Space-time. IV. Asymptotical
shape of caustic
|
The studies of influence of spin on a photon motion in a Schwartzschild
spacetime is continued. In the previous paper [2] the first order correction to
the geodesic motion is reduced to a non-uniform linear ordinary differential
equation and the equation obtained has been solved by the standard method of
integration of the Green function. If each photon draws a world line specified
by this solution then light rays from infinitely distant source form a caustic
which does not appear without the spin-gravity interaction. The goal of the
present work is to obtain explicit form of caustic.
|
gr-qc
|
the studies of influence of spin on a photon motion in a schwartzschild spacetime is continued in the previous paper 2 the first order correction to the geodesic motion is reduced to a nonuniform linear ordinary differential equation and the equation obtained has been solved by the standard method of integration of the green function if each photon draws a world line specified by this solution then light rays from infinitely distant source form a caustic which does not appear without the spingravity interaction the goal of the present work is to obtain explicit form of caustic
|
[['the', 'studies', 'of', 'influence', 'of', 'spin', 'on', 'a', 'photon', 'motion', 'in', 'a', 'schwartzschild', 'spacetime', 'is', 'continued', 'in', 'the', 'previous', 'paper', '2', 'the', 'first', 'order', 'correction', 'to', 'the', 'geodesic', 'motion', 'is', 'reduced', 'to', 'a', 'nonuniform', 'linear', 'ordinary', 'differential', 'equation', 'and', 'the', 'equation', 'obtained', 'has', 'been', 'solved', 'by', 'the', 'standard', 'method', 'of', 'integration', 'of', 'the', 'green', 'function', 'if', 'each', 'photon', 'draws', 'a', 'world', 'line', 'specified', 'by', 'this', 'solution', 'then', 'light', 'rays', 'from', 'infinitely', 'distant', 'source', 'form', 'a', 'caustic', 'which', 'does', 'not', 'appear', 'without', 'the', 'spingravity', 'interaction', 'the', 'goal', 'of', 'the', 'present', 'work', 'is', 'to', 'obtain', 'explicit', 'form', 'of', 'caustic']]
|
[-0.13298175637082188, 0.07071108085861832, -0.11480807042056598, 0.04844926122201549, -0.12002096902915113, -0.08519284734886486, 0.015125049036908318, 0.32487280182924466, -0.24811215916187646, -0.2983022697135499, 0.07303141699575809, -0.2821356308089627, -0.113658537970587, 0.19155649181224943, -0.03701037985570345, 0.056406794504752174, 0.05142442718359459, 0.06558146918211709, -0.07043052783965603, -0.22702583414502442, 0.3357655297695976, 0.008022301254275534, 0.21188634114109517, 0.03364010172483233, 0.1515203146407976, 0.022634303758938594, -0.042834752031659575, 0.015041864265870187, -0.1109336202138478, 0.13170766919736088, 0.20070942580644713, 0.07798542204485803, 0.24370798289046153, -0.40132413253418564, -0.22022708550518014, 0.10691646926258642, 0.1756839453537958, 0.13602365752485263, -0.0551190259878418, -0.2768334391498074, 0.0581350436808599, -0.15949603659820924, -0.18849056502132072, 0.017452589032173005, 0.026587688392892328, 0.031894526506783726, -0.22816081315797476, 0.058225178217380935, 0.07981973171195726, -0.00880297074651288, -0.04039116563112235, -0.04528245960659895, 0.005443552412937597, 0.09631387033912632, 0.04035167870611029, 0.07056934490185424, 0.1029577549287723, -0.11502635797015247, -0.08910662718789325, 0.3994162831186634, -0.08951717373775799, -0.23832776335058445, 0.10598936403823114, -0.17634196300299587, -0.09187047742547218, 0.1924586426250675, 0.15794336883178384, 0.14815450938821761, -0.18595465300508687, 0.12856236018286057, -0.027335388777950376, 0.1645336118598766, 0.0890055168804127, -0.04284804479996722, 0.1920918859061353, 0.10620301447271072, 0.0530759079727469, 0.11949114087661825, -0.07648092130746346, -0.09599670796347878, -0.3122904248842874, -0.16849845597885318, -0.18711459364012345, 0.08679798099265755, -0.06803101517686731, -0.16466734489214788, 0.3812444606824711, 0.09936562015857432, 0.18812364157404482, 0.025667634332965407, 0.32102157870672415, 0.17259218505362875, 0.05273479670190166, 0.05985880109779153, 0.2690173818432179, 0.11773451350235678, 0.09135622107279823, -0.20828759422304935, 0.04235043410228604, 0.08702629727801096]
|
706.3771
|
Embedded Stellar Populations towards Young Massive Star Formation
Regions I. G305.2+0.2
|
We present deep, wide-field J, H and Ks images taken with IRIS2 on the Anglo
Australian Telescope, towards the massive star formation region G305.2+0.2.
Combined with 3.6, 4.5, 5.8 and 8.0 micron data from the GLIMPSE survey on the
Spitzer Space Telescope, we investigate the properties of the embedded stellar
populations. After removing contamination from foreground stars we separate the
sources based on their IR colour. Strong extended emission in the GLIMPSE
images hampers investigation of the most embedded sources towards the known
sites of massive star formation. However, we find a sizeable population of IR
excess sources in the surrounding region free from these completeness effects.
Investigation reveals the recent star formation activity in the region is more
widespread than previously known.
Stellar density plots show the embedded cluster in the region, G305.24+0.204,
is offset from the dust emission. We discuss the effect of this cluster on the
surrounding area and argue it may have played a role in triggering sites of
star formation within the region. Finally, we investigate the distribution of
IR excess sources towards the cluster, in particular their apparent lack
towards the centre compared with its immediate environs.
|
astro-ph
|
we present deep widefield j h and ks images taken with iris2 on the anglo australian telescope towards the massive star formation region g305202 combined with 36 45 58 and 80 micron data from the glimpse survey on the spitzer space telescope we investigate the properties of the embedded stellar populations after removing contamination from foreground stars we separate the sources based on their ir colour strong extended emission in the glimpse images hampers investigation of the most embedded sources towards the known sites of massive star formation however we find a sizeable population of ir excess sources in the surrounding region free from these completeness effects investigation reveals the recent star formation activity in the region is more widespread than previously known stellar density plots show the embedded cluster in the region g305240204 is offset from the dust emission we discuss the effect of this cluster on the surrounding area and argue it may have played a role in triggering sites of star formation within the region finally we investigate the distribution of ir excess sources towards the cluster in particular their apparent lack towards the centre compared with its immediate environs
|
[['we', 'present', 'deep', 'widefield', 'j', 'h', 'and', 'ks', 'images', 'taken', 'with', 'iris2', 'on', 'the', 'anglo', 'australian', 'telescope', 'towards', 'the', 'massive', 'star', 'formation', 'region', 'g305202', 'combined', 'with', '36', '45', '58', 'and', '80', 'micron', 'data', 'from', 'the', 'glimpse', 'survey', 'on', 'the', 'spitzer', 'space', 'telescope', 'we', 'investigate', 'the', 'properties', 'of', 'the', 'embedded', 'stellar', 'populations', 'after', 'removing', 'contamination', 'from', 'foreground', 'stars', 'we', 'separate', 'the', 'sources', 'based', 'on', 'their', 'ir', 'colour', 'strong', 'extended', 'emission', 'in', 'the', 'glimpse', 'images', 'hampers', 'investigation', 'of', 'the', 'most', 'embedded', 'sources', 'towards', 'the', 'known', 'sites', 'of', 'massive', 'star', 'formation', 'however', 'we', 'find', 'a', 'sizeable', 'population', 'of', 'ir', 'excess', 'sources', 'in', 'the', 'surrounding', 'region', 'free', 'from', 'these', 'completeness', 'effects', 'investigation', 'reveals', 'the', 'recent', 'star', 'formation', 'activity', 'in', 'the', 'region', 'is', 'more', 'widespread', 'than', 'previously', 'known', 'stellar', 'density', 'plots', 'show', 'the', 'embedded', 'cluster', 'in', 'the', 'region', 'g305240204', 'is', 'offset', 'from', 'the', 'dust', 'emission', 'we', 'discuss', 'the', 'effect', 'of', 'this', 'cluster', 'on', 'the', 'surrounding', 'area', 'and', 'argue', 'it', 'may', 'have', 'played', 'a', 'role', 'in', 'triggering', 'sites', 'of', 'star', 'formation', 'within', 'the', 'region', 'finally', 'we', 'investigate', 'the', 'distribution', 'of', 'ir', 'excess', 'sources', 'towards', 'the', 'cluster', 'in', 'particular', 'their', 'apparent', 'lack', 'towards', 'the', 'centre', 'compared', 'with', 'its', 'immediate', 'environs']]
|
[-0.056988819654482846, 0.0408130452997284, -0.050866590114310384, 0.09360910394085901, -0.0666708266750599, 0.008998208055951787, 0.09679588615714844, 0.44570770176748437, -0.16090765254254316, -0.3529537346912548, 0.09519105230841281, -0.3229242270075095, -0.06069966684844985, 0.1413394376049837, -0.04229323264799708, -0.10352139964591818, 0.060018172618583776, -0.06020261008719293, -0.008490892013166254, -0.22448577089016908, 0.31192343659495236, 0.10400645392761969, 0.2259306894807196, 0.009169971905066632, 0.04786293962570198, -0.04823990834483993, -0.14734725191131778, -0.021985383050832752, -0.142626727095679, 0.08139541353117845, 0.20018610526191574, 0.1265247643556601, 0.23675865274829752, -0.3776764194608404, -0.23561395525590947, 0.06609463762166949, 0.1878401431531529, 0.05517322165542282, -0.11009182158136355, -0.31730499770007253, 0.03715216486792391, -0.13829690315954699, -0.1852742409258402, 0.08438225973319884, 0.049700607367412886, -0.006315920150882448, -0.17564630001591772, 0.10096649816599286, 0.0021626833173892615, 0.09717637378586612, -0.13080937886665348, -0.1348121593267327, -0.07860426141148007, 0.11913038678418768, -0.028692152631265344, 0.08835354998639862, 0.1859859984160721, -0.18701514522763318, -0.027457290023448877, 0.35715073987375945, -0.046030113970194485, 0.005703881176790067, 0.24058594451465373, -0.2456367754348321, -0.19497490981787755, 0.15801653010142522, 0.15569785947930845, 0.12249231298119412, -0.16051826041317932, 0.03557318521446481, 0.0056605961065846104, 0.19038826950660828, 0.033158023642802924, 0.12574195464064056, 0.33465514378622174, 0.16031490271537527, 0.030492107697985677, 0.2024416366815179, -0.29005855570721906, -0.09496455242818531, -0.25310988316778094, -0.09747933273744518, -0.10676409844048369, 0.06946759610339844, -0.11258372571054072, -0.08563846130406698, 0.30697357419800636, 0.12235865286068777, 0.18603395782823404, 0.005582816984315286, 0.25673652663681423, 0.036306776337975556, 0.1457772089215723, 0.0988791401553802, 0.3042305333074182, 0.13274521504111667, 0.08894421078002779, -0.23667772503298087, 0.03625521583126101, -0.02331691161574175]
|
706.3772
|
Valdivia compact Abelian groups
|
Let R denote the smallest class of compact spaces containing all metric
compacta and closed under limits of continuous inverse sequences of
retractions. Class R is striclty larger than the class of Valdivia compact
spaces. We show that every compact connected Abelian group which is a
topological retract of a space from class R is necessarily isomorphic to a
product of metric groups. This completes the result of V. Uspenskij and the
author, where a compact connected Abelian group outside class R has been
described.
|
math.GN
|
let r denote the smallest class of compact spaces containing all metric compacta and closed under limits of continuous inverse sequences of retractions class r is striclty larger than the class of valdivia compact spaces we show that every compact connected abelian group which is a topological retract of a space from class r is necessarily isomorphic to a product of metric groups this completes the result of v uspenskij and the author where a compact connected abelian group outside class r has been described
|
[['let', 'r', 'denote', 'the', 'smallest', 'class', 'of', 'compact', 'spaces', 'containing', 'all', 'metric', 'compacta', 'and', 'closed', 'under', 'limits', 'of', 'continuous', 'inverse', 'sequences', 'of', 'retractions', 'class', 'r', 'is', 'striclty', 'larger', 'than', 'the', 'class', 'of', 'valdivia', 'compact', 'spaces', 'we', 'show', 'that', 'every', 'compact', 'connected', 'abelian', 'group', 'which', 'is', 'a', 'topological', 'retract', 'of', 'a', 'space', 'from', 'class', 'r', 'is', 'necessarily', 'isomorphic', 'to', 'a', 'product', 'of', 'metric', 'groups', 'this', 'completes', 'the', 'result', 'of', 'v', 'uspenskij', 'and', 'the', 'author', 'where', 'a', 'compact', 'connected', 'abelian', 'group', 'outside', 'class', 'r', 'has', 'been', 'described']]
|
[-0.19695320623438983, 0.13408997840625012, -0.043068076722279545, 0.01584930630425723, -0.13843181440218663, -0.1251284150528677, -0.019926169088908603, 0.37694485512162956, -0.2731783757695839, -0.1646378596889831, 0.1292738275563655, -0.2622235198394351, -0.09360098814968729, 0.23739563877738656, -0.1379806457109572, -0.08461926096961611, 0.021598975628703124, 0.14897996717176976, -0.1116143165494404, -0.2656358725258282, 0.44155710137316156, -0.10204420886224225, 0.2002519776856172, 0.004651195188801337, 0.10224459981102318, -0.01918121680639507, -0.05076658910894323, 0.0989800499294125, -0.1408788924237299, 0.13627089239612578, 0.29505770661524455, 0.08237801528524696, 0.26983502775657964, -0.25547461360630613, -0.205228994866567, 0.28965949193419266, 0.072070916127857, -0.0886801903626682, -0.002215914759463409, -0.31874764741708833, 0.17038964146437743, -0.20006218041747897, -0.13306067184367704, -0.010666753886090148, 0.17596002364353763, -0.014722129684828576, -0.27609908880133716, -0.04742161972847368, 0.12996717805175909, 0.057382282587544374, -0.07100868369230912, -0.06668248437234156, -0.06590955109623749, 0.08857582895351308, -0.05780344478331417, 0.13279707193197238, 0.09990447431933024, -0.015683119936424884, -0.08916981745555642, 0.3887666747794442, -0.09019713361911792, -0.20619666975523746, 0.15442873040280705, -0.22006795853598132, -0.175402647289004, 0.15877436418252597, 0.11220851482912189, 0.22733400839691362, -0.028835214652298463, 0.2676008097104863, -0.16075045783959685, 0.08982866321249665, 0.045969680727769933, 0.042707701884431855, 0.14088140749317107, 0.1401081000720816, 0.13187503652824534, 0.15795604481051365, 0.048037015699914525, 0.03212789060974804, -0.35994211344846655, -0.1835375013095992, -0.18324596448274816, 0.15940854722811354, -0.08746757489106607, -0.211713735016972, 0.37549449753991904, -0.01307131351149153, 0.12726130675790565, 0.13826412026121812, 0.15348657424606027, -0.0006235104076386918, 0.07942194748985847, 0.15282266347674608, 0.06937544899881773, 0.21190747044082464, -0.11369103686662302, -0.06963808362793532, -0.013236848720615464, 0.20420056014942625]
|
706.3773
|
Two Component Baryonic-Dark Matter Structure Formation in Top-Hat Model
|
In this work we extend simple top-hat model of structure formation to the
two-component system made of baryonic and dark matter. We use
Harrison-Zeldovich spectrum as the initial condition for the structures and
calculate their evolution up to the present time. While we do not take into
account some complications during the structure formation, such as the merging
of galaxies, however this formalism can give us a qualitative picture from the
formation of structures. We show that in this model small scale structures
evolve faster than the larger ones and it predicts a down-top scenario for the
structure formation. The trend of power spectrum in this model is compatible
with the observations and results in $\sigma_8 \sim 0.8$. This formalism
provides an analytic treatment of structure growth and can easily show the
effect of the cosmological parameters on the formation of the structures. As an
example, the effect of a parameterized dark energy model on the growth of the
structures is investigated.
|
astro-ph
|
in this work we extend simple tophat model of structure formation to the twocomponent system made of baryonic and dark matter we use harrisonzeldovich spectrum as the initial condition for the structures and calculate their evolution up to the present time while we do not take into account some complications during the structure formation such as the merging of galaxies however this formalism can give us a qualitative picture from the formation of structures we show that in this model small scale structures evolve faster than the larger ones and it predicts a downtop scenario for the structure formation the trend of power spectrum in this model is compatible with the observations and results in sigma_8 sim 08 this formalism provides an analytic treatment of structure growth and can easily show the effect of the cosmological parameters on the formation of the structures as an example the effect of a parameterized dark energy model on the growth of the structures is investigated
|
[['in', 'this', 'work', 'we', 'extend', 'simple', 'tophat', 'model', 'of', 'structure', 'formation', 'to', 'the', 'twocomponent', 'system', 'made', 'of', 'baryonic', 'and', 'dark', 'matter', 'we', 'use', 'harrisonzeldovich', 'spectrum', 'as', 'the', 'initial', 'condition', 'for', 'the', 'structures', 'and', 'calculate', 'their', 'evolution', 'up', 'to', 'the', 'present', 'time', 'while', 'we', 'do', 'not', 'take', 'into', 'account', 'some', 'complications', 'during', 'the', 'structure', 'formation', 'such', 'as', 'the', 'merging', 'of', 'galaxies', 'however', 'this', 'formalism', 'can', 'give', 'us', 'a', 'qualitative', 'picture', 'from', 'the', 'formation', 'of', 'structures', 'we', 'show', 'that', 'in', 'this', 'model', 'small', 'scale', 'structures', 'evolve', 'faster', 'than', 'the', 'larger', 'ones', 'and', 'it', 'predicts', 'a', 'downtop', 'scenario', 'for', 'the', 'structure', 'formation', 'the', 'trend', 'of', 'power', 'spectrum', 'in', 'this', 'model', 'is', 'compatible', 'with', 'the', 'observations', 'and', 'results', 'in', 'sigma_8', 'sim', '08', 'this', 'formalism', 'provides', 'an', 'analytic', 'treatment', 'of', 'structure', 'growth', 'and', 'can', 'easily', 'show', 'the', 'effect', 'of', 'the', 'cosmological', 'parameters', 'on', 'the', 'formation', 'of', 'the', 'structures', 'as', 'an', 'example', 'the', 'effect', 'of', 'a', 'parameterized', 'dark', 'energy', 'model', 'on', 'the', 'growth', 'of', 'the', 'structures', 'is', 'investigated']]
|
[-0.10636079044121763, 0.09241678851373893, -0.1290654702927709, 0.10590397710955314, -0.07175561388873536, -0.03483943458825859, -0.005068252873982979, 0.363372843105184, -0.24713630901840486, -0.3452968590701959, 0.06500070973918397, -0.2221116780098065, -0.13042987809047935, 0.17847157611659156, 0.021517790133792975, -0.019819398618864347, 0.02832051838736588, -0.002150322537672538, -0.0669010410212582, -0.2276286282258467, 0.33173642893790367, 0.09939423694871134, 0.24412819636141106, 0.03707458531145608, 0.039809627822883754, -0.03456814978445261, -0.018898713250604014, 0.012445500635351082, -0.18823727803552986, 0.07984744941075303, 0.14777879028650498, 0.12039513753507264, 0.23122471204802672, -0.4401438711037547, -0.25575556794343435, 0.08178817057079688, 0.14718911381039237, 0.14491930224076607, -0.06006244426124631, -0.23695071297842338, 0.07594221793346523, -0.20888900377943834, -0.14033076006294407, -0.0438989632956753, -0.016043634275379387, -0.030451291229544056, -0.24490910627798218, 0.12541771857125789, 0.06097056086736251, -0.021389111593041733, -0.13136711017581523, -0.060515598737438045, -0.041763908265922106, 0.08981052637736527, 0.017857752451152537, -0.0123217388617326, 0.12074292030168107, -0.15775297446355732, -0.07771979731663783, 0.4324295224841707, -0.07034785821442767, -0.14340737627194441, 0.17497856907477105, -0.17905068672869517, -0.15076935262656452, 0.08887674720518245, 0.17470426376770187, 0.09661869791492542, -0.09494554956142807, 0.07298089509001233, -0.017737821134975792, 0.1928307790083591, 0.02407496650009098, 0.02671204360494078, 0.24754560526506686, 0.20575099319844328, 0.04207476230500185, 0.11313647970192782, -0.06857103544073354, -0.08829227423075564, -0.2897413654761933, -0.1310024450165498, -0.11266538878521008, 0.06560354968917959, -0.0811842216018071, -0.16844350454955714, 0.4109930901828667, 0.1469038355146876, 0.2831159560646144, 0.0667991623722063, 0.29952090129441356, 0.09767163408737954, 0.09605261972839278, 0.050957368134364765, 0.2435328382400359, 0.1197016987752933, 0.0829363555592479, -0.2155310048820069, 0.07110642060429229, -0.019350292010707145]
|
706.3774
|
Superfluid equation of state of dilute composite bosons
|
We present an exact theory of the BEC-BCS crossover in the BEC regime, which
treats explicitely dimers as made of two fermions. We apply our framework, at
zero temperature, to the calculation of the equation of state. We find that,
when expanding the chemical potential in powers of the density n up to the
Lee-Huang-Yang order, proportional to n^3/2, the result is identical to the one
of elementary bosons in terms of the dimer-dimer scattering length a_M, the
composite nature of the dimers appearing only in the next order term
proportional to n^2 .
|
cond-mat.stat-mech
|
we present an exact theory of the becbcs crossover in the bec regime which treats explicitely dimers as made of two fermions we apply our framework at zero temperature to the calculation of the equation of state we find that when expanding the chemical potential in powers of the density n up to the leehuangyang order proportional to n32 the result is identical to the one of elementary bosons in terms of the dimerdimer scattering length a_m the composite nature of the dimers appearing only in the next order term proportional to n2
|
[['we', 'present', 'an', 'exact', 'theory', 'of', 'the', 'becbcs', 'crossover', 'in', 'the', 'bec', 'regime', 'which', 'treats', 'explicitely', 'dimers', 'as', 'made', 'of', 'two', 'fermions', 'we', 'apply', 'our', 'framework', 'at', 'zero', 'temperature', 'to', 'the', 'calculation', 'of', 'the', 'equation', 'of', 'state', 'we', 'find', 'that', 'when', 'expanding', 'the', 'chemical', 'potential', 'in', 'powers', 'of', 'the', 'density', 'n', 'up', 'to', 'the', 'leehuangyang', 'order', 'proportional', 'to', 'n32', 'the', 'result', 'is', 'identical', 'to', 'the', 'one', 'of', 'elementary', 'bosons', 'in', 'terms', 'of', 'the', 'dimerdimer', 'scattering', 'length', 'a_m', 'the', 'composite', 'nature', 'of', 'the', 'dimers', 'appearing', 'only', 'in', 'the', 'next', 'order', 'term', 'proportional', 'to', 'n2']]
|
[-0.14505765497464165, 0.19563664310322, -0.050520803073361036, 0.03709106807852344, 0.016979515492435423, -0.11016635833087787, 0.03459544729326241, 0.28569298499934775, -0.24392761715677796, -0.2525580385449513, -0.0005510697762171427, -0.3237788538518612, -0.12352664174664746, 0.09232250108353553, 0.08116496561635886, 0.02739929979647039, -0.049260154631870084, 0.09561793355932159, -0.07166853348564317, -0.3021853822333518, 0.3194680306810125, 0.025857894280199363, 0.23917138875932784, 0.10748859313416785, 0.06431362728878695, 0.02040165225644746, 0.052748684260633685, -0.04152027307258498, -0.16555077455706596, 0.08867814334770364, 0.2367101844340082, -0.01967892272057392, 0.2023664544679485, -0.42680032400073864, -0.1561064788350655, 0.09892055086831572, 0.19727734848481393, 0.14930055245474827, 0.02309176018361443, -0.2208995274818873, 0.016330421521698914, -0.1826136710763138, -0.21178109673482756, -0.056004049601934607, 0.02778913572891265, -0.0044985221478567325, -0.26341926366571455, 0.10488803317189536, 0.05187286714202054, -0.018422814504173334, -0.06939551862637683, -0.11978234081799465, 0.016933699376300296, 0.1074333636891923, 0.08107021105130233, 0.03438075254571133, 0.07350406669060229, -0.16109594242066466, -0.05503499475858545, 0.3917268105452099, -0.1432116695764845, -0.1588903940332833, 0.17094993096606065, -0.15426538279280066, -0.08470701667860711, 0.14988188251292192, 0.1250708931731561, 0.10873021358644129, -0.10715498235805826, 0.1250412067178116, -0.03105896645881516, 0.18672719939551766, 0.05994647959627772, 0.0444402175214422, 0.1680273085291828, 0.13743904364415474, 0.021207544041336866, 0.17960918576566762, -0.06932959275981111, -0.15790415250806397, -0.35763294169659254, -0.16142943739435406, -0.21546731017009224, 0.03222059609708927, -0.08549652109423311, -0.17247220427198437, 0.3715181452252211, 0.1530357297529937, 0.21760286169467113, 0.04540905185915049, 0.24984558623644612, 0.14597383567622751, 0.06610957804506504, 0.04013165466547493, 0.22796890195409056, 0.15995313278875084, 0.06296231487505538, -0.3003930753517535, -0.02880023222576867, 0.12339952752564944]
|
706.3775
|
How particles emerge from decaying classical fields in heavy ion
collisions: towards a kinetic description of the Glasma
|
We develop the formalism discussed previously in hep-ph/0601209 and
hep-ph/0605246 to construct a kinetic theory that provides insight into the
earliest ``Glasma'' stage of a high energy heavy ion collision. Particles
produced from the decay of classical fields in the Glasma obey a Boltzmann
equation whose novel features include an inhomogeneous source term and new
contributions to the collision term. We discuss the power counting associated
with the different terms in the Boltzmann equation and outline the transition
from the field dominated regime to the particle dominated regime in high energy
heavy ion collisions.
|
hep-ph hep-th nucl-th
|
we develop the formalism discussed previously in hepph0601209 and hepph0605246 to construct a kinetic theory that provides insight into the earliest glasma stage of a high energy heavy ion collision particles produced from the decay of classical fields in the glasma obey a boltzmann equation whose novel features include an inhomogeneous source term and new contributions to the collision term we discuss the power counting associated with the different terms in the boltzmann equation and outline the transition from the field dominated regime to the particle dominated regime in high energy heavy ion collisions
|
[['we', 'develop', 'the', 'formalism', 'discussed', 'previously', 'in', 'hepph0601209', 'and', 'hepph0605246', 'to', 'construct', 'a', 'kinetic', 'theory', 'that', 'provides', 'insight', 'into', 'the', 'earliest', 'glasma', 'stage', 'of', 'a', 'high', 'energy', 'heavy', 'ion', 'collision', 'particles', 'produced', 'from', 'the', 'decay', 'of', 'classical', 'fields', 'in', 'the', 'glasma', 'obey', 'a', 'boltzmann', 'equation', 'whose', 'novel', 'features', 'include', 'an', 'inhomogeneous', 'source', 'term', 'and', 'new', 'contributions', 'to', 'the', 'collision', 'term', 'we', 'discuss', 'the', 'power', 'counting', 'associated', 'with', 'the', 'different', 'terms', 'in', 'the', 'boltzmann', 'equation', 'and', 'outline', 'the', 'transition', 'from', 'the', 'field', 'dominated', 'regime', 'to', 'the', 'particle', 'dominated', 'regime', 'in', 'high', 'energy', 'heavy', 'ion', 'collisions']]
|
[-0.06099719710081168, 0.22403500672146986, -0.14109334872995058, 0.11022545685789184, -0.0287982069624021, -0.10864469657067473, -0.057271400031269244, 0.26255141662271775, -0.28467245467776514, -0.28411808757759305, -0.011088230208058478, -0.29286731263298704, -0.0259842156716015, 0.13562775602306076, 0.037298692542168756, 0.010020160495870463, 0.06552511536637726, 0.01839941167070166, -0.024483116951001728, -0.15666917356176543, 0.33871469911916746, 0.11866312629907676, 0.27368212421424687, 0.09550066451218141, 0.14319858270818772, 0.010498671792447567, -0.033778022195253034, 0.01052500161787738, -0.15961011657885177, 0.07853314266116207, 0.19436555402353406, 0.045279295370995024, 0.229656546012215, -0.48233458002948243, -0.2242316535329851, 0.07363092898057126, 0.16327938397981875, 0.15068324041836287, -0.10003127176921976, -0.2272400736565823, 0.03414188670601858, -0.20334726264801525, -0.1741259718850336, -0.044476183141460235, -0.018847451533909643, 0.0459904841542163, -0.28414207267696445, 0.12445275728975463, 0.03253379243909402, -0.011434625753242037, -0.10246351527293092, -0.11551752352565729, 0.014276288616794931, 0.025952247786335647, 0.06260826728185234, 0.037471653311513364, 0.11909693400641276, -0.20363538357069838, -0.08330276239987301, 0.3953035609067782, -0.09111971457225634, -0.13898868931700353, 0.1944550264970926, -0.13327663330077802, -0.13125273902171655, 0.18867592149130677, 0.20717212827066364, 0.10399579298309222, -0.1818396353021102, 0.058456903949263506, 0.05314239786694879, 0.09921604129601252, 0.04236338903074679, 0.07224333320703843, 0.2075589401040064, 0.15932885232589045, -0.05597796605940422, 0.17156012564342032, -0.08102992377003514, -0.16445573074135766, -0.36639041100304737, -0.1283556803926568, -0.16095602457695032, 0.03876955817205548, -0.07329309707379054, -0.14343577383450515, 0.3994083766744513, 0.14143423566217636, 0.21306896121646074, -0.012083163302715706, 0.2557286621202998, 0.20225058242921595, 0.021585688442902883, 0.11193345844968343, 0.25123685632918397, 0.15672816046888172, 0.1818907590375444, -0.27100249436056323, -0.009972947558550082, 0.09526529755068781]
|
706.3776
|
On an explicit construction of Parisi landscapes in finite dimensional
Euclidean spaces
|
We construct a N-dimensional Gaussian landscape with multiscale, translation
invariant, logarithmic correlations and investigate the statistical mechanics
of a single particle in this environment. In the limit of high dimension N>>1
the free energy of the system in the thermodynamic limit coincides with the
most general version of Derrida's Generalized Random Energy Model. The
low-temperature behaviour depends essentially on the spectrum of length scales
involved in the construction of the landscape. We argue that our construction
is in fact valid in any finite spatial dimensions, starting from N=1.
|
cond-mat.dis-nn cond-mat.mes-hall
|
we construct a ndimensional gaussian landscape with multiscale translation invariant logarithmic correlations and investigate the statistical mechanics of a single particle in this environment in the limit of high dimension n1 the free energy of the system in the thermodynamic limit coincides with the most general version of derridas generalized random energy model the lowtemperature behaviour depends essentially on the spectrum of length scales involved in the construction of the landscape we argue that our construction is in fact valid in any finite spatial dimensions starting from n1
|
[['we', 'construct', 'a', 'ndimensional', 'gaussian', 'landscape', 'with', 'multiscale', 'translation', 'invariant', 'logarithmic', 'correlations', 'and', 'investigate', 'the', 'statistical', 'mechanics', 'of', 'a', 'single', 'particle', 'in', 'this', 'environment', 'in', 'the', 'limit', 'of', 'high', 'dimension', 'n1', 'the', 'free', 'energy', 'of', 'the', 'system', 'in', 'the', 'thermodynamic', 'limit', 'coincides', 'with', 'the', 'most', 'general', 'version', 'of', 'derridas', 'generalized', 'random', 'energy', 'model', 'the', 'lowtemperature', 'behaviour', 'depends', 'essentially', 'on', 'the', 'spectrum', 'of', 'length', 'scales', 'involved', 'in', 'the', 'construction', 'of', 'the', 'landscape', 'we', 'argue', 'that', 'our', 'construction', 'is', 'in', 'fact', 'valid', 'in', 'any', 'finite', 'spatial', 'dimensions', 'starting', 'from', 'n1']]
|
[-0.1213269390123473, 0.17056242645379494, -0.11161541152978316, 0.08385985283133447, 0.0301499616259455, -0.10481517292580313, -0.002981426139740506, 0.2771615276578814, -0.25638353900417726, -0.25597778956448153, 0.046925095817476344, -0.2606427993265573, -0.13481925664977593, 0.1496014983581104, -0.05779749346600676, 0.03865771946981444, 0.013917860649102791, 0.08097379316776906, -0.07474782583250833, -0.197881577599963, 0.34263617592461576, 0.06592056756728032, 0.326964401290752, 0.028144218429753728, 0.12547843334984712, 0.057390370943308386, -0.006728914587504484, 0.01481301421484783, -0.1612263457583884, 0.12910535003968768, 0.18997246130708267, 0.06016911657669963, 0.23174669933293693, -0.38044187119653955, -0.2449136700485145, 0.12722740753088146, 0.14044497286456384, 0.12607862528900363, 0.015466451913446443, -0.20357406028250064, 0.04381599266674708, -0.141363080622713, -0.20580154003321446, -0.03078199742594734, -0.0044192365835029205, -0.0014772214820947158, -0.22125977421687407, 0.10258446178340819, 0.09215231519192457, 0.0705782004145228, -0.07161775295125236, -0.06304250461504456, -0.010115174357038499, 0.09425976833683142, 0.015670491188013166, 0.013627743856473402, 0.11879058308179745, -0.13452429469113916, -0.10362771119583737, 0.3771645187622529, -0.08812585003430616, -0.23969212024663153, 0.17822743101384153, -0.18679603112501686, -0.19168672800085254, 0.11871926535174927, 0.12203923138705167, 0.11969528085319325, -0.11355547774159773, 0.20873123803639002, -0.03765047908845273, 0.18378816815146076, 0.05072738048197194, 0.06725002009625314, 0.16131602472160012, 0.1761687513419681, 0.054706799808296964, 0.179444496689195, -0.06701282422661527, -0.1771270076225681, -0.36115374987606297, -0.13167739167759215, -0.23321425667381845, 0.09462647535838187, -0.15782562183432508, -0.20010025481778113, 0.3894638819514181, 0.14730166127397257, 0.1880151341902092, 0.09760904292025688, 0.23078734024999326, 0.12585101491343018, 0.02539863827934658, 0.08458559056585231, 0.18602379801979457, 0.0872935176713244, 0.07265589111854999, -0.20521149250668136, -0.007349906170475151, 0.10363097487028096]
|
706.3777
|
Using VO tools to investigate distant radio starbursts hosting obscured
AGN in the HDF(N) region
|
A 10-arcmin field around the HDF(N) contains 92 radio sources >40 uJy,
resolved by MERLIN+VLA at 0".2-2".0 resolution. 55 have Chandra X-ray
counterparts including 18 with a hard X-ray photon index and high luminosity
characteristic of a type-II (obscured) AGN. >70% of the radio sources have been
classified as starbursts or AGN using radio morphologies, spectral indices and
comparisons with optical appearance and MIR emission. Starbursts outnumber
radio AGN 3:1. This study extends the VO methods previously used to identify
X-ray-selected obscured type-II AGN to investigate whether very luminous radio
and X-ray emission originates from different phenomena in the same galaxy. The
high-redshift starbursts have typical sizes of 5--10 kpc and star formation
rates of ~1000 Msun/yr. There is no correlation between radio and X-ray
luminosities nor spectral indices at z>~1.3. ~70% of both the radio-selected
AGN and the starburst samples were detected by Chandra. The X-ray luminosity
indicates the presence of an AGN in at least half of the 45 cross-matched radio
starbursts, of which 11 are type-II AGN including 7 at z>1.5. This distribution
overlaps closely with the X-ray detected radio sources which were also detected
by SCUBA. Stacked 1.4-GHz emission at the positions of radio-faint X-ray
sources is correlated with X-ray hardness. Most extended radio starbursts at
z>1.3 host X-ray selected obscured AGN. Radio emission from most of these
ultra-luminous objects is dominated by star formation but it contributes less
than 1/3 of their X-ray luminosity. Our results support the inferences from
SCUBA and IR data, that at z>1.5, star formation is an order of magnitude more
extended and more copious, it is closely linked to AGN activity and it is
triggered differently, compared with star formation at lower redshifts.
|
astro-ph
|
a 10arcmin field around the hdfn contains 92 radio sources 40 ujy resolved by merlinvla at 0220 resolution 55 have chandra xray counterparts including 18 with a hard xray photon index and high luminosity characteristic of a typeii obscured agn 70 of the radio sources have been classified as starbursts or agn using radio morphologies spectral indices and comparisons with optical appearance and mir emission starbursts outnumber radio agn 31 this study extends the vo methods previously used to identify xrayselected obscured typeii agn to investigate whether very luminous radio and xray emission originates from different phenomena in the same galaxy the highredshift starbursts have typical sizes of 510 kpc and star formation rates of 1000 msunyr there is no correlation between radio and xray luminosities nor spectral indices at z13 70 of both the radioselected agn and the starburst samples were detected by chandra the xray luminosity indicates the presence of an agn in at least half of the 45 crossmatched radio starbursts of which 11 are typeii agn including 7 at z15 this distribution overlaps closely with the xray detected radio sources which were also detected by scuba stacked 14ghz emission at the positions of radiofaint xray sources is correlated with xray hardness most extended radio starbursts at z13 host xray selected obscured agn radio emission from most of these ultraluminous objects is dominated by star formation but it contributes less than 13 of their xray luminosity our results support the inferences from scuba and ir data that at z15 star formation is an order of magnitude more extended and more copious it is closely linked to agn activity and it is triggered differently compared with star formation at lower redshifts
|
[['a', '10arcmin', 'field', 'around', 'the', 'hdfn', 'contains', '92', 'radio', 'sources', '40', 'ujy', 'resolved', 'by', 'merlinvla', 'at', '0220', 'resolution', '55', 'have', 'chandra', 'xray', 'counterparts', 'including', '18', 'with', 'a', 'hard', 'xray', 'photon', 'index', 'and', 'high', 'luminosity', 'characteristic', 'of', 'a', 'typeii', 'obscured', 'agn', '70', 'of', 'the', 'radio', 'sources', 'have', 'been', 'classified', 'as', 'starbursts', 'or', 'agn', 'using', 'radio', 'morphologies', 'spectral', 'indices', 'and', 'comparisons', 'with', 'optical', 'appearance', 'and', 'mir', 'emission', 'starbursts', 'outnumber', 'radio', 'agn', '31', 'this', 'study', 'extends', 'the', 'vo', 'methods', 'previously', 'used', 'to', 'identify', 'xrayselected', 'obscured', 'typeii', 'agn', 'to', 'investigate', 'whether', 'very', 'luminous', 'radio', 'and', 'xray', 'emission', 'originates', 'from', 'different', 'phenomena', 'in', 'the', 'same', 'galaxy', 'the', 'highredshift', 'starbursts', 'have', 'typical', 'sizes', 'of', '510', 'kpc', 'and', 'star', 'formation', 'rates', 'of', '1000', 'msunyr', 'there', 'is', 'no', 'correlation', 'between', 'radio', 'and', 'xray', 'luminosities', 'nor', 'spectral', 'indices', 'at', 'z13', '70', 'of', 'both', 'the', 'radioselected', 'agn', 'and', 'the', 'starburst', 'samples', 'were', 'detected', 'by', 'chandra', 'the', 'xray', 'luminosity', 'indicates', 'the', 'presence', 'of', 'an', 'agn', 'in', 'at', 'least', 'half', 'of', 'the', '45', 'crossmatched', 'radio', 'starbursts', 'of', 'which', '11', 'are', 'typeii', 'agn', 'including', '7', 'at', 'z15', 'this', 'distribution', 'overlaps', 'closely', 'with', 'the', 'xray', 'detected', 'radio', 'sources', 'which', 'were', 'also', 'detected', 'by', 'scuba', 'stacked', '14ghz', 'emission', 'at', 'the', 'positions', 'of', 'radiofaint', 'xray', 'sources', 'is', 'correlated', 'with', 'xray', 'hardness', 'most', 'extended', 'radio', 'starbursts', 'at', 'z13', 'host', 'xray', 'selected', 'obscured', 'agn', 'radio', 'emission', 'from', 'most', 'of', 'these', 'ultraluminous', 'objects', 'is', 'dominated', 'by', 'star', 'formation', 'but', 'it', 'contributes', 'less', 'than', '13', 'of', 'their', 'xray', 'luminosity', 'our', 'results', 'support', 'the', 'inferences', 'from', 'scuba', 'and', 'ir', 'data', 'that', 'at', 'z15', 'star', 'formation', 'is', 'an', 'order', 'of', 'magnitude', 'more', 'extended', 'and', 'more', 'copious', 'it', 'is', 'closely', 'linked', 'to', 'agn', 'activity', 'and', 'it', 'is', 'triggered', 'differently', 'compared', 'with', 'star', 'formation', 'at', 'lower', 'redshifts']]
|
[0.004316293158940313, 0.10500695906460611, -0.017432218965679033, 0.18282905266893362, -0.1122068509874148, -0.07951214964717113, 0.07261521171189371, 0.5458152668859955, -0.05867958517478575, -0.3814744395746886, 0.07339867714269238, -0.3792234679631389, 0.022460932842564403, 0.19371927470798872, 0.021158494094761858, -0.08868087362086684, -0.039287547207381514, -0.18313585064462765, -0.013919460724598265, -0.29700736522217125, 0.2772406075213947, 0.10709471539380325, 0.200835733432586, -0.05611910343181684, 0.06410579785232369, -0.1300884246019492, -0.153986622587623, -0.044579038890111576, -0.06982138722920778, 0.031063547529865964, 0.3225518061175561, 0.10680056216205304, 0.2115716938016909, -0.300352010273707, -0.20780686225393266, 0.05627341661273169, 0.1867792088530798, -0.053987626545378024, -0.04250710598711836, -0.2511167189430498, 0.08910264568600816, -0.20533939234932141, -0.14802968716857684, 0.1493041848569661, 0.024650302886520266, 0.03764439780715945, -0.15243931735829572, 0.18377445919499666, -0.04561374382882678, 0.11943385490815257, -0.1581092967878856, -0.051195337589297035, -0.056743097393658314, 0.013658916723730154, -0.007965554043900735, 0.12725850068939382, 0.21966677910052634, -0.1624930262928228, -0.12548494591709233, 0.3750429955482246, 0.029229475464332477, 0.12548586370443182, 0.28337684516258566, -0.24428965487474635, -0.23618075229530305, 0.25351136833144056, 0.10350587832257678, 0.1106656669027562, -0.14284427399506838, -0.07210123627537092, 0.0044163726377152825, 0.2909629096922073, 0.043735297185339216, 0.1411962894391776, 0.3458750757879114, 0.0764911989208357, 0.01968480533526967, 0.14863297276448972, -0.2857651460270789, 0.07013857137665232, -0.20448558986213308, 0.021672923302988756, -0.14282526596623732, 0.18325154173563074, -0.14959678432082282, -0.06668539665221457, 0.3288003565922919, 0.049972711198439976, 0.18407073851293052, 0.06723105464815146, 0.2814936569493672, 0.0943765917383303, 0.14875804925051125, 0.1830755854477981, 0.35009672261721886, 0.17044573102982274, 0.08247122023967934, -0.21137898783660214, 0.0505028338827252, -0.02521879353326854]
|
706.3778
|
Photon spectra from final stages of a primordial black hole evaporation
in different theoretical models
|
Possibilities of an experimental search for gamma-ray bursts from primordial
black hole (PBH) evaporations in space are reconsidered. It is argued that the
corresponding constraints which can be obtained in experiments with cosmic ray
detectors strongly depend on theoretical approach used for a description of the
PBH evaporation process. Predictions of several theoretical models for
gamma-ray spectra from final stages of PBH life (integrated over time) are
given.
|
astro-ph
|
possibilities of an experimental search for gammaray bursts from primordial black hole pbh evaporations in space are reconsidered it is argued that the corresponding constraints which can be obtained in experiments with cosmic ray detectors strongly depend on theoretical approach used for a description of the pbh evaporation process predictions of several theoretical models for gammaray spectra from final stages of pbh life integrated over time are given
|
[['possibilities', 'of', 'an', 'experimental', 'search', 'for', 'gammaray', 'bursts', 'from', 'primordial', 'black', 'hole', 'pbh', 'evaporations', 'in', 'space', 'are', 'reconsidered', 'it', 'is', 'argued', 'that', 'the', 'corresponding', 'constraints', 'which', 'can', 'be', 'obtained', 'in', 'experiments', 'with', 'cosmic', 'ray', 'detectors', 'strongly', 'depend', 'on', 'theoretical', 'approach', 'used', 'for', 'a', 'description', 'of', 'the', 'pbh', 'evaporation', 'process', 'predictions', 'of', 'several', 'theoretical', 'models', 'for', 'gammaray', 'spectra', 'from', 'final', 'stages', 'of', 'pbh', 'life', 'integrated', 'over', 'time', 'are', 'given']]
|
[-0.02596595711485647, 0.1767696763788134, -0.11266709213583347, 0.1613803853424275, -0.06000548671342104, -0.06874025430229, -0.005154006772071999, 0.37181525050169406, -0.16903456951053264, -0.34611707824446697, 0.04018747332327835, -0.3098275489310789, -0.03531159316052628, 0.3557749385911259, 0.022414697758743867, 0.06935494169524378, 0.1256968423463952, 0.005730339836137479, -0.04478807997656986, -0.2850925113375792, 0.30148917421191823, 0.17603915168301149, 0.22079346163253136, 0.03018611856489716, 0.04833583868629135, -0.0684075356925057, -0.07875653756234575, -0.029737862423216403, -0.16038832020903476, 0.06677813174353693, 0.2633717651229103, 0.23445706161916913, 0.11165995193261873, -0.45580322922700467, -0.2892149113091257, 0.10528512243335546, 0.14177192373694303, 0.0674121292797602, -0.10879113424658392, -0.30778967471355023, 0.05980915005099686, -0.2142552376642604, -0.04297757902018288, 0.008355229421902229, 0.04332332578761613, 0.023746085106669104, -0.22963872545754865, 0.06540380254291984, 0.006746163430815453, -0.08131651981624172, -0.1489179258539533, -0.053119159036535114, -0.022387763197698137, 0.030696756829617217, 0.10031488417221493, -0.006946956226944595, 0.18985140151755117, -0.09905424894874587, -0.15614947814987423, 0.40435932089081583, -0.07656854005557868, -0.0827575531336205, 0.14060371875872507, -0.1716266868992106, -0.19282815641011386, 0.18485182455247817, 0.1937492538435275, 0.15565850177560658, -0.16278808033915565, 0.09551560325096087, 0.043742330053218585, 0.17510643350097405, 0.06466690105427166, 0.04056072657284163, 0.37514202562434706, 0.19921630179605393, 0.006140551593168364, 0.04249913591603913, -0.0988319060210522, -0.05055286202524953, -0.33010100901318606, -0.09991772201679208, -0.19135776551111655, 0.09508604613502565, -0.11195530905388296, -0.14121758587220135, 0.37208300554330515, 0.13267343365998172, 0.2248009086230441, 0.02447046760147821, 0.24557210442007466, 0.09279180741321076, -0.001190409461474594, 0.023756725282189164, 0.3306818988228984, 0.07496559944496874, 0.09112343758940422, -0.168264132568284, 0.08325847673832494, 0.03614887921139598]
|
706.3779
|
Analogy between the wave of the falling dominoes and the growth of
martensitic crystal (a simple enunciating for experimenters)
|
A number of laws being characteristic for switching waves are illustrated by
the examples of waves of a falling dominoes. The specificity of a switching
wave at the martensite crystal growth caused by dynamic structure of interphase
area is noted. For the first time the influence of finite deformation on the
condition of elastic waves generation by non-equilibrium electrons is
discussed. The rigid regime of initial excitation of waves is connected with
the influence of finite deformations on the threshold value of an inverse
population difference of the electronic states.
|
cond-mat.mtrl-sci
|
a number of laws being characteristic for switching waves are illustrated by the examples of waves of a falling dominoes the specificity of a switching wave at the martensite crystal growth caused by dynamic structure of interphase area is noted for the first time the influence of finite deformation on the condition of elastic waves generation by nonequilibrium electrons is discussed the rigid regime of initial excitation of waves is connected with the influence of finite deformations on the threshold value of an inverse population difference of the electronic states
|
[['a', 'number', 'of', 'laws', 'being', 'characteristic', 'for', 'switching', 'waves', 'are', 'illustrated', 'by', 'the', 'examples', 'of', 'waves', 'of', 'a', 'falling', 'dominoes', 'the', 'specificity', 'of', 'a', 'switching', 'wave', 'at', 'the', 'martensite', 'crystal', 'growth', 'caused', 'by', 'dynamic', 'structure', 'of', 'interphase', 'area', 'is', 'noted', 'for', 'the', 'first', 'time', 'the', 'influence', 'of', 'finite', 'deformation', 'on', 'the', 'condition', 'of', 'elastic', 'waves', 'generation', 'by', 'nonequilibrium', 'electrons', 'is', 'discussed', 'the', 'rigid', 'regime', 'of', 'initial', 'excitation', 'of', 'waves', 'is', 'connected', 'with', 'the', 'influence', 'of', 'finite', 'deformations', 'on', 'the', 'threshold', 'value', 'of', 'an', 'inverse', 'population', 'difference', 'of', 'the', 'electronic', 'states']]
|
[-0.19681235783112547, 0.23646721015829825, -0.05166462297137413, 0.023970871257026575, -0.04369556652382016, -0.04944392814714876, 0.030392510630190373, 0.3301933449123883, -0.28392507756976154, -0.25161481843226485, 0.09764230981883075, -0.273605285719451, -0.12213191595704605, 0.18429098080636727, 0.025141002869026527, 0.05024030357081857, 0.010328460407132903, 0.027742239041253926, -0.01627363208681345, -0.17520615342331844, 0.34701095608373483, 0.04720441307872534, 0.3095846217125654, 0.05745259123440418, 0.14263318777601752, -0.0024683202409909832, 0.03949384102015756, 0.04138558134177907, -0.1357087111307515, 0.084228225421652, 0.21735149005220997, 0.024078709042320647, 0.26753910672592207, -0.4529068897995684, -0.23818453641401396, 0.02512725351585282, 0.0816739127285675, 0.12561109852459695, -0.06263236083969888, -0.2714114823223402, 0.05605639831887351, -0.1232621914629514, -0.17321182244664265, 0.022435258753183814, 0.07673759810212585, 0.08677284723574606, -0.2236287092046243, 0.11178674887244901, 0.07871647507159246, 0.07533890828490257, -0.1025050051148153, -0.07363829862895525, -0.07877462938583145, 0.07983107845195465, 0.07083712622988969, -0.025742252129647467, 0.16084185322268038, -0.1528960606445455, -0.0905432051875525, 0.38172842224335507, -0.006462635420676734, -0.1775561291517483, 0.14069338177537752, -0.1518300393751512, -0.02816132509485922, 0.20001001682442923, 0.17242734854355352, 0.11201187893748284, -0.08820023809417357, 0.06497582191239215, 0.012687911749203017, 0.14378432393099905, 0.13057700558565558, -0.011865564570244815, 0.2194969753941728, 0.2272590728269683, 0.0584492664059831, 0.1835468903804819, -0.09410541483925448, -0.07589722040574998, -0.32398189384904175, -0.12167399563930101, -0.21777713952146263, 0.04249390672759748, -0.08956963125512832, -0.19047653726819488, 0.43808948780513474, 0.03641547501708071, 0.14254076799584758, 0.029413753455608257, 0.21602571378979418, 0.1547699871990416, 0.034112635071182416, 0.019017411214816902, 0.2660347508577009, 0.18084196422197338, 0.059224370401352644, -0.29916157798531157, 0.10454696531717976, 0.04576941421255469]
|
706.378
|
The Magellanic Squall: Gas Replenishment from the Small to Large
Magellanic Cloud
|
We first show that a large amount of metal-poor gas is stripped from the
Small Magellanic Cloud (SMC) and fallen into the Large Magellanic Cloud (LMC)
during the tidal interaction between the SMC, the LMC, and the Galaxy over the
last 2 Gyrs. We propose that this metal-poor gas can closely be associated with
the origin of LMC's young and intermediate-age stars and star clusters with
distinctively low-metallicities with [Fe/H] < -0.6. We numerically investigate
whether gas initially in the outer part of the SMC's gas disk can be stripped
during the LMC-SMC-Galaxy interaction and consequently can pass through the
central region (R<7.5 kpc) of the LMC. We find that about 0.7 % and 18 % of the
SMC's gas can pass through the central region of the LMC about 1.3 Gyr ago and
0.2 Gyr ago, respectively. The possible mean metallicity of the replenished gas
from the SMC to LMC is about [Fe/H] = -0.9 to -1.0 for the two interacting
phases. These results imply that the LMC can temporarily replenish gas supplies
through the sporadic accretion and infall of metal-poor gas from the SMC. These
furthermore imply that if these gas from the SMC can collide with gas in the
LMC to form new stars in the LMC, the metallicities of the stars can be
significantly lower than those of stars formed from gas initially within the
LMC.
|
astro-ph
|
we first show that a large amount of metalpoor gas is stripped from the small magellanic cloud smc and fallen into the large magellanic cloud lmc during the tidal interaction between the smc the lmc and the galaxy over the last 2 gyrs we propose that this metalpoor gas can closely be associated with the origin of lmcs young and intermediateage stars and star clusters with distinctively lowmetallicities with feh 06 we numerically investigate whether gas initially in the outer part of the smcs gas disk can be stripped during the lmcsmcgalaxy interaction and consequently can pass through the central region r75 kpc of the lmc we find that about 07 and 18 of the smcs gas can pass through the central region of the lmc about 13 gyr ago and 02 gyr ago respectively the possible mean metallicity of the replenished gas from the smc to lmc is about feh 09 to 10 for the two interacting phases these results imply that the lmc can temporarily replenish gas supplies through the sporadic accretion and infall of metalpoor gas from the smc these furthermore imply that if these gas from the smc can collide with gas in the lmc to form new stars in the lmc the metallicities of the stars can be significantly lower than those of stars formed from gas initially within the lmc
|
[['we', 'first', 'show', 'that', 'a', 'large', 'amount', 'of', 'metalpoor', 'gas', 'is', 'stripped', 'from', 'the', 'small', 'magellanic', 'cloud', 'smc', 'and', 'fallen', 'into', 'the', 'large', 'magellanic', 'cloud', 'lmc', 'during', 'the', 'tidal', 'interaction', 'between', 'the', 'smc', 'the', 'lmc', 'and', 'the', 'galaxy', 'over', 'the', 'last', '2', 'gyrs', 'we', 'propose', 'that', 'this', 'metalpoor', 'gas', 'can', 'closely', 'be', 'associated', 'with', 'the', 'origin', 'of', 'lmcs', 'young', 'and', 'intermediateage', 'stars', 'and', 'star', 'clusters', 'with', 'distinctively', 'lowmetallicities', 'with', 'feh', '06', 'we', 'numerically', 'investigate', 'whether', 'gas', 'initially', 'in', 'the', 'outer', 'part', 'of', 'the', 'smcs', 'gas', 'disk', 'can', 'be', 'stripped', 'during', 'the', 'lmcsmcgalaxy', 'interaction', 'and', 'consequently', 'can', 'pass', 'through', 'the', 'central', 'region', 'r75', 'kpc', 'of', 'the', 'lmc', 'we', 'find', 'that', 'about', '07', 'and', '18', 'of', 'the', 'smcs', 'gas', 'can', 'pass', 'through', 'the', 'central', 'region', 'of', 'the', 'lmc', 'about', '13', 'gyr', 'ago', 'and', '02', 'gyr', 'ago', 'respectively', 'the', 'possible', 'mean', 'metallicity', 'of', 'the', 'replenished', 'gas', 'from', 'the', 'smc', 'to', 'lmc', 'is', 'about', 'feh', '09', 'to', '10', 'for', 'the', 'two', 'interacting', 'phases', 'these', 'results', 'imply', 'that', 'the', 'lmc', 'can', 'temporarily', 'replenish', 'gas', 'supplies', 'through', 'the', 'sporadic', 'accretion', 'and', 'infall', 'of', 'metalpoor', 'gas', 'from', 'the', 'smc', 'these', 'furthermore', 'imply', 'that', 'if', 'these', 'gas', 'from', 'the', 'smc', 'can', 'collide', 'with', 'gas', 'in', 'the', 'lmc', 'to', 'form', 'new', 'stars', 'in', 'the', 'lmc', 'the', 'metallicities', 'of', 'the', 'stars', 'can', 'be', 'significantly', 'lower', 'than', 'those', 'of', 'stars', 'formed', 'from', 'gas', 'initially', 'within', 'the', 'lmc']]
|
[-0.05247949822718253, 0.14553795481075954, -0.10474840497264001, 0.08068120187669746, -0.04258862990717016, -0.012221924451682551, 0.1081314294463007, 0.39172869861776016, -0.23972838506333333, -0.35968793481505945, 0.021349270689503118, -0.2749784698244184, 0.00988365557102437, 0.18043924780949885, -0.05867858121992682, -0.09742439442532615, 0.10979240497087944, -0.08374710983145504, -0.047655099537996244, -0.34282555525083985, 0.2958508062596738, 0.022332813379311506, 0.061196224283905025, -0.04914282998665075, 0.05250935554621582, -0.1767061140230626, -0.006811732992908991, -0.0484318193550473, -0.1521181941392795, 0.06559286309551422, 0.19843705058555258, 0.08362648557393557, 0.23152700280853078, -0.40318581098443373, -0.1653259064285167, 0.04275616752684314, 0.2972953254120029, 0.02395151697812124, -0.0752835089538609, -0.2870588037432625, 0.09571214031121092, -0.2502281285319642, -0.20144186564721167, 0.11092209774357951, 0.06589625033640624, 0.05817643939146558, -0.19325239348469458, 0.18611593332463067, 0.015947040541311807, 0.08675362939835089, -0.09831485816648959, -0.11898857404774599, -0.06485871116906833, 0.07761978701713075, 0.03206859117443879, 0.08108440764141228, 0.20563292989622703, -0.1194557592569463, 0.07371987355048809, 0.4167274477009752, -0.08023100891595462, 0.06410809523895779, 0.26312221925441936, -0.23321091981541078, -0.16176814020331126, 0.12788849184289575, 0.13921546535381008, 0.09021432838707635, -0.17694279310948718, 0.02525361518754698, -0.04989311251525594, 0.208403968782807, 0.08900340753854706, 0.022305792112140895, 0.3519075499822806, 0.0686896290873235, 0.03264231268580245, 0.12034507372274385, -0.26525238664244893, -0.15535990026932978, -0.18669689169351375, -0.13689694329230856, -0.09450924379928284, 0.08537711983905133, -0.18650715491287329, -0.05422368463936501, 0.24407226734576268, 0.12546405380342435, 0.24186791117772855, 0.020983778438901743, 0.32631799586702437, 0.06430897633318451, 0.1656074512922988, 0.21336544060691226, 0.3076963668474845, 0.17926092853200976, 0.06532939717861766, -0.22721106370198088, 0.15090120090089276, -0.002164806321724854]
|
706.3781
|
Numerical simulation of spray coalescence in an eulerian framework :
direct quadrature method of moments and multi-fluid method
|
The scope of the present study is Eulerian modeling and simulation of
polydisperse liquid sprays undergoing droplet coalescence and evaporation. The
fundamental mathematical description is the Williams spray equation governing
the joint number density function f(v, u; x, t) of droplet volume and velocity.
Eulerian multi-fluid models have already been rigorously derived from this
equation in Laurent et al. (2004). The first key feature of the paper is the
application of direct quadrature method of moments (DQMOM) introduced by
Marchisio and Fox (2005) to the Williams spray equation. Both the multi-fluid
method and DQMOM yield systems of Eulerian conservation equations with
complicated interaction terms representing coalescence. In order to validate
and compare these approaches, the chosen configuration is a self-similar 2D
axisymmetrical decelerating nozzle with sprays having various size
distributions, ranging from smooth ones up to Dirac delta functions. The second
key feature of the paper is a thorough comparison of the two approaches for
various test-cases to a reference solution obtained through a classical
stochastic Lagrangian solver. Both Eulerian models prove to describe adequately
spray coalescence and yield a very interesting alternative to the Lagrangian
solver.
|
math.NA physics.class-ph
|
the scope of the present study is eulerian modeling and simulation of polydisperse liquid sprays undergoing droplet coalescence and evaporation the fundamental mathematical description is the williams spray equation governing the joint number density function fv u x t of droplet volume and velocity eulerian multifluid models have already been rigorously derived from this equation in laurent et al 2004 the first key feature of the paper is the application of direct quadrature method of moments dqmom introduced by marchisio and fox 2005 to the williams spray equation both the multifluid method and dqmom yield systems of eulerian conservation equations with complicated interaction terms representing coalescence in order to validate and compare these approaches the chosen configuration is a selfsimilar 2d axisymmetrical decelerating nozzle with sprays having various size distributions ranging from smooth ones up to dirac delta functions the second key feature of the paper is a thorough comparison of the two approaches for various testcases to a reference solution obtained through a classical stochastic lagrangian solver both eulerian models prove to describe adequately spray coalescence and yield a very interesting alternative to the lagrangian solver
|
[['the', 'scope', 'of', 'the', 'present', 'study', 'is', 'eulerian', 'modeling', 'and', 'simulation', 'of', 'polydisperse', 'liquid', 'sprays', 'undergoing', 'droplet', 'coalescence', 'and', 'evaporation', 'the', 'fundamental', 'mathematical', 'description', 'is', 'the', 'williams', 'spray', 'equation', 'governing', 'the', 'joint', 'number', 'density', 'function', 'fv', 'u', 'x', 't', 'of', 'droplet', 'volume', 'and', 'velocity', 'eulerian', 'multifluid', 'models', 'have', 'already', 'been', 'rigorously', 'derived', 'from', 'this', 'equation', 'in', 'laurent', 'et', 'al', '2004', 'the', 'first', 'key', 'feature', 'of', 'the', 'paper', 'is', 'the', 'application', 'of', 'direct', 'quadrature', 'method', 'of', 'moments', 'dqmom', 'introduced', 'by', 'marchisio', 'and', 'fox', '2005', 'to', 'the', 'williams', 'spray', 'equation', 'both', 'the', 'multifluid', 'method', 'and', 'dqmom', 'yield', 'systems', 'of', 'eulerian', 'conservation', 'equations', 'with', 'complicated', 'interaction', 'terms', 'representing', 'coalescence', 'in', 'order', 'to', 'validate', 'and', 'compare', 'these', 'approaches', 'the', 'chosen', 'configuration', 'is', 'a', 'selfsimilar', '2d', 'axisymmetrical', 'decelerating', 'nozzle', 'with', 'sprays', 'having', 'various', 'size', 'distributions', 'ranging', 'from', 'smooth', 'ones', 'up', 'to', 'dirac', 'delta', 'functions', 'the', 'second', 'key', 'feature', 'of', 'the', 'paper', 'is', 'a', 'thorough', 'comparison', 'of', 'the', 'two', 'approaches', 'for', 'various', 'testcases', 'to', 'a', 'reference', 'solution', 'obtained', 'through', 'a', 'classical', 'stochastic', 'lagrangian', 'solver', 'both', 'eulerian', 'models', 'prove', 'to', 'describe', 'adequately', 'spray', 'coalescence', 'and', 'yield', 'a', 'very', 'interesting', 'alternative', 'to', 'the', 'lagrangian', 'solver']]
|
[-0.0888520198236422, 0.07686511950526873, -0.12157387682995961, 0.03048919677562283, -0.07382949060031577, -0.10360969369977956, -0.04009511683556332, 0.30807240246845735, -0.2659687986572111, -0.31368592761092534, 0.041152363153979306, -0.2520746018626201, -0.12605097517624256, 0.17553646176921853, -0.020099127528500623, 0.10638755594719322, 0.07204520883185425, -0.048671237342363304, -0.0823077058530939, -0.22572979196189882, 0.3061274767805235, 0.034524169659404004, 0.24466402965354855, 0.03010925075100006, 0.14785250015658044, -0.039706877762712436, -0.07830114262153233, 0.05323956557549536, -0.21028685637587763, 0.07321109151741004, 0.20917278642307635, 0.09467187871486323, 0.2271969418911992, -0.4251018650222408, -0.25647517469326925, 0.04851812479065974, 0.12660610970883485, 0.11022146872710437, -0.04628928243714061, -0.27578950264496205, 0.05078915050367157, -0.19993153990135, -0.15989675311847468, -0.07957145419862607, 0.05558410100891943, 0.09424951859182329, -0.2466046767354862, 0.09435691233280206, 0.07599253993817989, 0.01853523634718326, -0.03041833454335574, -0.11604726777422121, -0.03389850603011639, 0.06186184332838583, 0.029848012989690607, 0.05053931908332743, 0.08474343907310748, -0.10486180378591045, -0.08091597347431714, 0.41310619363439793, -0.03440937071876681, -0.2441412447255773, 0.21711074816614753, -0.10576233886556861, -0.0859646867016715, 0.16972974854465778, 0.17823942214675734, 0.15498247848185914, -0.15443515628525664, 0.07746969357306269, -0.05638326011767671, 0.11682717730772034, 0.11509119118336061, -0.08236288346170509, 0.14992224216668704, 0.16519480193560215, 0.008900799587338595, 0.11899730806085838, -0.062177023194912494, -0.15510754833667306, -0.31073092400481034, -0.16984149090864736, -0.16361871503075867, 0.03599193224774511, -0.1170139509928128, -0.17800131383916343, 0.3652021165876447, 0.125444729080735, 0.14686547770448352, 0.04277899530184779, 0.3020677917710323, 0.11218711326364428, -0.025637004835753822, 0.07366840889976035, 0.19084563322426024, 0.1941510842019773, 0.13184364502566218, -0.19622123417834897, 0.052255544592575774, 0.17370563860015903]
|
706.3782
|
The Virgo - MiniGRAIL cross correlation for the detection of scalar
gravitational waves
|
After a review of the frequency - dependent angular pattern of
interferometers in the TT gauge for scalar gravitational waves (SGWs), which
has been recently analysed by Capozziello and Corda, in this letter the result
is used to study the cross correlation between the Virgo interferometer and the
MiniGRAIL resonant sphere. It is shown that the overlap reduction function for
the cross correlation bewteen Virgo and the monopole mode of MiniGRAIL is very
small, but a maximum is also found in the correlation at about 2710Hz, in the
range of the MiniGRAIL sensitivity
|
astro-ph
|
after a review of the frequency dependent angular pattern of interferometers in the tt gauge for scalar gravitational waves sgws which has been recently analysed by capozziello and corda in this letter the result is used to study the cross correlation between the virgo interferometer and the minigrail resonant sphere it is shown that the overlap reduction function for the cross correlation bewteen virgo and the monopole mode of minigrail is very small but a maximum is also found in the correlation at about 2710hz in the range of the minigrail sensitivity
|
[['after', 'a', 'review', 'of', 'the', 'frequency', 'dependent', 'angular', 'pattern', 'of', 'interferometers', 'in', 'the', 'tt', 'gauge', 'for', 'scalar', 'gravitational', 'waves', 'sgws', 'which', 'has', 'been', 'recently', 'analysed', 'by', 'capozziello', 'and', 'corda', 'in', 'this', 'letter', 'the', 'result', 'is', 'used', 'to', 'study', 'the', 'cross', 'correlation', 'between', 'the', 'virgo', 'interferometer', 'and', 'the', 'minigrail', 'resonant', 'sphere', 'it', 'is', 'shown', 'that', 'the', 'overlap', 'reduction', 'function', 'for', 'the', 'cross', 'correlation', 'bewteen', 'virgo', 'and', 'the', 'monopole', 'mode', 'of', 'minigrail', 'is', 'very', 'small', 'but', 'a', 'maximum', 'is', 'also', 'found', 'in', 'the', 'correlation', 'at', 'about', '2710hz', 'in', 'the', 'range', 'of', 'the', 'minigrail', 'sensitivity']]
|
[-0.13644760109837278, 0.12907511174901398, -0.102687361946964, 0.09207392652176198, -0.03186570525496871, -0.04981577472126746, -0.019633233122486663, 0.3561651355658586, -0.1730055458188712, -0.30664064526394175, 0.05605561075384145, -0.2891686383000278, -0.1553064188996719, 0.18345032511586015, 0.04630489194008348, 0.05594784124999993, 0.04453931912616059, 0.04431162348303657, -0.06569745963833366, -0.1969458835588379, 0.30582565626201147, 0.11791216655235205, 0.2705755392191829, 0.06677590690266627, 0.10194585916258722, 0.02671235580775109, -0.06992800416076904, -0.0014932533357660848, -0.10783884774902797, 0.023092840818667804, 0.2320057363300533, 0.10298331218751168, 0.21522694352789076, -0.3502294945192861, -0.1630518013652373, 0.07592072601399415, 0.1424339692054603, 0.09855094837449532, -0.01158618111071269, -0.2865013422669618, 0.05801956833002495, -0.18723897318673002, -0.10943986619899439, 0.005650112978540934, 0.11113439376752537, 0.010374033831285087, -0.24606945227632032, 0.08546470703555854, 0.02578723254603344, 0.013390835783966295, -0.01659146617269041, -0.0922551532480661, -0.032505766299276886, 0.048271866202492596, 0.05688543135689183, 0.08910250967972308, 0.09260054553377924, -0.11652652044002744, -0.06372573319758586, 0.3412290036455718, -0.10507680924998207, -0.15317119115830533, 0.1483699148917407, -0.20786456847154014, -0.12732250006501, 0.11391581841846826, 0.143092997993885, 0.08822429247435878, -0.150849708226755, 0.09535913087317598, -0.01398299939311263, 0.19851905736908482, 0.14592153730464505, 0.05723125580698252, 0.21923302139595643, 0.13628800174318623, 0.07886218974510065, 0.12072115583386231, -0.16988592757587576, -0.04530263069382572, -0.27660484243552763, -0.12369698204182006, -0.19190993837616918, -0.0064848421965367515, -0.041598296166010004, -0.11922884533523356, 0.38398696698125573, 0.09666702016205578, 0.16286121900858624, 0.01571693744863496, 0.27516415717264453, 0.13135648475824613, 0.10831784413984188, 0.016902121912258174, 0.36986581461278945, 0.18068466005478423, 0.12851825988964066, -0.24598470331261774, 0.008999311979246008, 0.0007858903474778265]
|
706.3783
|
S-Matrix Poles Close to Thresholds in Confined Geometries
|
We have studied the behavior of the S-matrix poles near threshold for quantum
waveguides coupled to a cavity with a defect. We emphasize the occurrence of
both dominant and shadow poles on the various sheets of the energy Riemann
surface, and show that the changes of the total conductivity near threshold as
the cavity's width changes can be explained in terms of dominant to shadow pole
transitions.
|
cond-mat.mes-hall
|
we have studied the behavior of the smatrix poles near threshold for quantum waveguides coupled to a cavity with a defect we emphasize the occurrence of both dominant and shadow poles on the various sheets of the energy riemann surface and show that the changes of the total conductivity near threshold as the cavitys width changes can be explained in terms of dominant to shadow pole transitions
|
[['we', 'have', 'studied', 'the', 'behavior', 'of', 'the', 'smatrix', 'poles', 'near', 'threshold', 'for', 'quantum', 'waveguides', 'coupled', 'to', 'a', 'cavity', 'with', 'a', 'defect', 'we', 'emphasize', 'the', 'occurrence', 'of', 'both', 'dominant', 'and', 'shadow', 'poles', 'on', 'the', 'various', 'sheets', 'of', 'the', 'energy', 'riemann', 'surface', 'and', 'show', 'that', 'the', 'changes', 'of', 'the', 'total', 'conductivity', 'near', 'threshold', 'as', 'the', 'cavitys', 'width', 'changes', 'can', 'be', 'explained', 'in', 'terms', 'of', 'dominant', 'to', 'shadow', 'pole', 'transitions']]
|
[-0.18200463144136453, 0.13196222253366194, -0.05365940521874312, 0.07472105133486216, -0.013776421310630307, -0.05904235405875231, 0.05591109538721894, 0.3520582577547253, -0.23249187626278223, -0.2646982915588279, 0.09097336123957223, -0.29831000245106754, -0.1775311339201767, 0.16814547499169163, -0.00011227999938957727, 0.03802738439833829, 0.011887748920317017, 0.0648466541793253, -0.07418000792264383, -0.15202576008194418, 0.3410533605727242, 0.07565746171949014, 0.2534669788637713, 0.15694850286357662, 0.03588240533205333, 0.0003638501564012979, 0.06982065842890028, 0.02454970815955703, -0.11893211764254374, 0.06321815758402313, 0.2254367824921857, -0.012118314048831366, 0.16168581961251016, -0.4316086744639411, -0.21069339240220056, 0.05088671768056368, 0.177926199611471, 0.07906010605867451, 0.011048003289250851, -0.24758916437181075, 0.07585534207356065, -0.11308146839433197, -0.20180184342689925, -0.0032235253046252834, -0.007168997725499655, -0.007626943418811729, -0.2081643085981178, 0.05449747319208152, 0.03592520043142696, 0.023778341154553996, -0.06306081737822561, -0.11928902325957123, -0.09753400681769725, 0.10832814533096641, 0.0717736297745758, -0.005969576078897982, 0.21355721403135738, -0.18157382727141924, -0.10307385145561464, 0.34395843507972224, -0.10175874162076125, -0.16068666557600694, 0.1450746950707329, -0.2124238287223809, -0.04414432272037019, 0.2028130518147416, 0.16530806137554682, 0.08985002828178121, -0.08287634186224262, 0.07345878733009267, 0.0013668041175870754, 0.135999495413766, 0.161163481237339, 0.05349342592421975, 0.27839408253333464, 0.11699561328877375, 0.02983830959897544, 0.16119858680411117, -0.1619700656112617, -0.08900665561321067, -0.3357075341323863, -0.15225972174736324, -0.15109011227848815, 0.018652131089440256, -0.07224056356084366, -0.2244456473654553, 0.42946119910912284, 0.09966906907259306, 0.22879452904714132, -0.00344556608974044, 0.23424402112836268, 0.21158688532973904, 0.11222227361164432, 0.04733951560068709, 0.2945046662700488, 0.13342382814457168, 0.04554576852789788, -0.3366149434013598, 0.03126860875636339, 0.01834323321844437]
|
706.3784
|
Status of QGSJET
|
Basic physics concepts of the QGSJET model are discussed, starting from the
general picture of high energy hadronic interactions and addressing in some
detail the treatment of multiple scattering processes, contributions of
``soft'' and ``semihard'' parton dynamics, implementation of non-linear
interaction effects. The predictions of the new model version (QGSJET II.03)
are compared to selected accelerator data. Future developments are outlined and
the expected input from the LHC collider for constraining model predictions is
discussed.
|
hep-ph
|
basic physics concepts of the qgsjet model are discussed starting from the general picture of high energy hadronic interactions and addressing in some detail the treatment of multiple scattering processes contributions of soft and semihard parton dynamics implementation of nonlinear interaction effects the predictions of the new model version qgsjet ii03 are compared to selected accelerator data future developments are outlined and the expected input from the lhc collider for constraining model predictions is discussed
|
[['basic', 'physics', 'concepts', 'of', 'the', 'qgsjet', 'model', 'are', 'discussed', 'starting', 'from', 'the', 'general', 'picture', 'of', 'high', 'energy', 'hadronic', 'interactions', 'and', 'addressing', 'in', 'some', 'detail', 'the', 'treatment', 'of', 'multiple', 'scattering', 'processes', 'contributions', 'of', 'soft', 'and', 'semihard', 'parton', 'dynamics', 'implementation', 'of', 'nonlinear', 'interaction', 'effects', 'the', 'predictions', 'of', 'the', 'new', 'model', 'version', 'qgsjet', 'ii03', 'are', 'compared', 'to', 'selected', 'accelerator', 'data', 'future', 'developments', 'are', 'outlined', 'and', 'the', 'expected', 'input', 'from', 'the', 'lhc', 'collider', 'for', 'constraining', 'model', 'predictions', 'is', 'discussed']]
|
[-0.03195000950247049, 0.18080163694297274, -0.07207034850881125, 0.1971898752031848, -0.05398554382224878, -0.1494469713171323, -0.06236369974911213, 0.3317244958877563, -0.23772580136855442, -0.3030742877535522, 0.04338965980801732, -0.3479892627646526, -0.05366465870290995, 0.17302568219291667, 0.07577950209379196, 0.08597548194229603, 0.11824671509986122, -0.06408702246844769, -0.0386839074951907, -0.18104850175480047, 0.27095506426567834, 0.17690301091099778, 0.2492381997903188, 0.10947800506992887, 0.04758200920031717, 0.05679463849402964, -0.10824699252843857, -0.03784122988581658, -0.1151225406921003, 0.1124989821606626, 0.25728382089563334, 0.12352148934267461, 0.16631311941891908, -0.45784775726497173, -0.20416076745837927, 0.015512635645767053, 0.07732673304776351, 0.11180761457847742, -0.06282764501869678, -0.26992986948539816, -0.012825274831460167, -0.23099734664584198, -0.15576925862580537, -0.06645016529907782, -0.05270641012738148, 0.033787807010424636, -0.27781589698046444, 0.06063801451275746, -0.0054299128241837025, 0.017558924903472266, -0.06481892390176654, -0.22583616064085316, -0.025375257916748523, 0.03802025215079387, 0.08668968342710287, 0.017872321374403935, 0.1565306955575943, -0.22536299753934144, -0.20110329279055197, 0.4352400753150384, 0.02409173684194684, -0.1401482070237398, 0.20186003975570202, -0.1515568761434406, -0.16188679166759054, 0.10657995526989301, 0.25270437957098085, 0.036581830401361606, -0.21938033941512305, 0.1085429132458133, 0.05887041794757048, 0.08875384072462718, -0.01402360741669933, 0.05704895986632134, 0.20375706468398372, 0.26735770230491956, -0.11648546558494369, 0.06953904292235771, -0.07570915188950797, -0.16057428389787673, -0.4262855856562965, -0.022118088615437348, -0.0943557976776113, -0.0027108246025939783, -0.060602155923261306, -0.08030596444383263, 0.3993891998194158, 0.19879488721489907, 0.18553832242886226, 0.008537876221040885, 0.31367052127917605, 0.0689875306658602, 0.011634281551232561, 0.012888577776611782, 0.2746282153161398, 0.14717525000373521, 0.11810651989032825, -0.19935947532455126, 0.0588706985861063, 0.049373721306522685]
|
706.3785
|
Order from Randomness
|
We consider an elementary discrete process which starts from purely random
configuration and leads to well-ordered and stable state. Complete analytical
solution to this problem is presented.
|
math.HO
|
we consider an elementary discrete process which starts from purely random configuration and leads to wellordered and stable state complete analytical solution to this problem is presented
|
[['we', 'consider', 'an', 'elementary', 'discrete', 'process', 'which', 'starts', 'from', 'purely', 'random', 'configuration', 'and', 'leads', 'to', 'wellordered', 'and', 'stable', 'state', 'complete', 'analytical', 'solution', 'to', 'this', 'problem', 'is', 'presented']]
|
[-0.1034826264820165, 0.13185738250063472, -0.11135231337889477, 0.035379196390311805, -0.1141497080248815, -0.12385047599673271, 0.07529155078292307, 0.3958346709884979, -0.32942097504726714, -0.19990460512538752, 0.09261470234573439, -0.23583539244201449, -0.11206360834141917, 0.10650317163930999, -0.06317662737435764, 0.056548347127520375, 0.06610772441382762, 0.048974589410203474, 0.014694154745450726, -0.18792289664054773, 0.30146665439975484, 0.04184920827133788, 0.28302537870627864, -0.028337712503141828, 0.12359848604710014, 0.060584893760581814, -0.008655597766240438, 0.017734339667691126, -0.16950839812246463, 0.07398646614186603, 0.22964531059066454, 0.11013336064018033, 0.20948236314924779, -0.49404287593508206, -0.1529398187994957, 0.08862018895645936, 0.14695668334348333, 0.1944164101301727, -0.06492235939259883, -0.261468972734831, 0.1345262121219464, -0.15500111412256956, -0.18614791685508358, -0.0802734124439734, 0.03159519567809723, -0.06120418798592356, -0.3206336446520355, 0.06686677052466958, 0.14264197976121473, -0.0001226706706263401, -0.10217756888380757, -0.07578696634758401, 0.014515450362254071, 0.07840975617162055, -0.012064755615062529, 0.03294366984455674, 0.03586785747083249, -0.05425718205084128, -0.12357477046963242, 0.37446996983554626, -0.022332552785950678, -0.21317661139700148, 0.23266001452726345, -0.04299460365264504, -0.061537708449004976, 0.21136827421961008, 0.16314824513608106, 0.19843454928033882, -0.14610739079890428, 0.10057581446771682, -0.027014848741668242, 0.1816748063666401, -0.013342964600909639, -0.05426682418005334, 0.1589976262163233, 0.1617272492774107, 0.1495485332346073, 0.24994773569482345, 0.060559757842889264, -0.21623629742060546, -0.3058907072301264, -0.11749943021546912, -0.15202944912016392, 0.12806271067475555, -0.026919780401469865, -0.2510036635730002, 0.3964797540533322, 0.10317151096683962, 0.21113720994994598, 0.037376112119225716, 0.2663643569857986, 0.18990871613776242, -0.10596089589375036, 0.014222058760761111, 0.16227136881746076, 0.13765540490513323, 0.05594707249353329, -0.12577120650180237, 0.007149561722245481, 0.07424682306332721]
|
706.3786
|
Plumbing the Abyss: Black Ring Microstates
|
We construct the first smooth, horizonless ``microstate geometries'' that
have the same charges, dipole charges and angular momenta as a BPS black ring
whose horizon is macroscopic. These solutions have exactly the same geometry as
black rings, except that the usual infinite throat is smoothly capped off at a
very large depth. If the solutions preserve a U(1)x U(1) isometry, then this
depth is limited by flux quantization but if this symmetry is broken then the
throat can be made arbitrarily deep by tuning classical, geometric moduli.
Interpreting these ``abysses'' (smooth microstate geometries of arbitrary
depth) from the point of view of the AdS-CFT correspondence suggests two
remarkable alternatives: either stringy effects can eliminate very large
regions of a smooth low-curvature supergravity solution, or the D1-D5-P CFT has
quantum critical points. The existence of solutions whose depth depends on
moduli also enables us to define ``entropy elevators,'' and these provide a new
tool for studying the entropy of BPS and near-BPS black holes.
|
hep-th
|
we construct the first smooth horizonless microstate geometries that have the same charges dipole charges and angular momenta as a bps black ring whose horizon is macroscopic these solutions have exactly the same geometry as black rings except that the usual infinite throat is smoothly capped off at a very large depth if the solutions preserve a u1x u1 isometry then this depth is limited by flux quantization but if this symmetry is broken then the throat can be made arbitrarily deep by tuning classical geometric moduli interpreting these abysses smooth microstate geometries of arbitrary depth from the point of view of the adscft correspondence suggests two remarkable alternatives either stringy effects can eliminate very large regions of a smooth lowcurvature supergravity solution or the d1d5p cft has quantum critical points the existence of solutions whose depth depends on moduli also enables us to define entropy elevators and these provide a new tool for studying the entropy of bps and nearbps black holes
|
[['we', 'construct', 'the', 'first', 'smooth', 'horizonless', 'microstate', 'geometries', 'that', 'have', 'the', 'same', 'charges', 'dipole', 'charges', 'and', 'angular', 'momenta', 'as', 'a', 'bps', 'black', 'ring', 'whose', 'horizon', 'is', 'macroscopic', 'these', 'solutions', 'have', 'exactly', 'the', 'same', 'geometry', 'as', 'black', 'rings', 'except', 'that', 'the', 'usual', 'infinite', 'throat', 'is', 'smoothly', 'capped', 'off', 'at', 'a', 'very', 'large', 'depth', 'if', 'the', 'solutions', 'preserve', 'a', 'u1x', 'u1', 'isometry', 'then', 'this', 'depth', 'is', 'limited', 'by', 'flux', 'quantization', 'but', 'if', 'this', 'symmetry', 'is', 'broken', 'then', 'the', 'throat', 'can', 'be', 'made', 'arbitrarily', 'deep', 'by', 'tuning', 'classical', 'geometric', 'moduli', 'interpreting', 'these', 'abysses', 'smooth', 'microstate', 'geometries', 'of', 'arbitrary', 'depth', 'from', 'the', 'point', 'of', 'view', 'of', 'the', 'adscft', 'correspondence', 'suggests', 'two', 'remarkable', 'alternatives', 'either', 'stringy', 'effects', 'can', 'eliminate', 'very', 'large', 'regions', 'of', 'a', 'smooth', 'lowcurvature', 'supergravity', 'solution', 'or', 'the', 'd1d5p', 'cft', 'has', 'quantum', 'critical', 'points', 'the', 'existence', 'of', 'solutions', 'whose', 'depth', 'depends', 'on', 'moduli', 'also', 'enables', 'us', 'to', 'define', 'entropy', 'elevators', 'and', 'these', 'provide', 'a', 'new', 'tool', 'for', 'studying', 'the', 'entropy', 'of', 'bps', 'and', 'nearbps', 'black', 'holes']]
|
[-0.14731632201662173, 0.13276491954457015, -0.11966381328076953, 0.10984376165584696, -0.09716810866397012, -0.21227241806789404, -0.00740158248025878, 0.30843171001021047, -0.2189621199209841, -0.2526001769957351, 0.11520688396800931, -0.279866935895112, -0.10164760123078861, 0.1473370599258622, -0.10198045630089904, 0.04794745545052452, -0.00012625050357324474, 0.03238888362093461, -0.11224737422063624, -0.22799793189322506, 0.3524200084610601, 0.014773799368592818, 0.28047999683307645, 0.047594130226773106, 0.12258542356308388, -0.035278775752234606, 0.061298746118368004, 0.08797510819406146, -0.15329741760357182, 0.10661167561157066, 0.26839447018897367, 0.07578803475279315, 0.146626592457099, -0.4603361478650276, -0.19809761479134774, 0.13635866952784084, 0.17697186750233357, 0.15787919007247475, -0.03319889041782, -0.25692289787701067, 0.09098793821837638, -0.1490501940946014, -0.19862824493881176, -0.10116103376020436, 0.060268922178592116, -0.020823533426866762, -0.1880300514684576, 0.03435689115010771, 0.046956955356793596, 0.0058352774020606355, -0.08277719804332995, -0.029366267252897406, -0.09289705779196487, 0.09847687016511451, 0.10807248776100208, 0.03488899802035986, 0.1520710222482003, -0.1570732534229238, -0.09735819216268597, 0.29501072258148114, -0.0013379724351344285, -0.23209827432960825, 0.15841463257854713, -0.1723657873474251, -0.09093030109530154, 0.1464532871218973, 0.08969976051450408, 0.20586613656228614, -0.09867070833462532, 0.1922935174528745, -0.060532138081422694, 0.16323179489574366, 0.15013726719620604, 0.06444054072432473, 0.3496231283664841, 0.07778835529461503, 0.08027272057747555, 0.17380076042702708, -0.06517482793136833, -0.10942741637520584, -0.3825222933090027, -0.12484374421901633, -0.1584935046123042, 0.1538181223642127, -0.1851494155855983, -0.20177207342176526, 0.3437554262819941, 0.06406546316079416, 0.23971265906261074, 0.04670162232920389, 0.2250490385266195, 0.07627441608030809, 0.09075838011505519, 0.07832185975793335, 0.2724874535385795, 0.09571566165893419, 0.06761338993516049, -0.20058635882257173, -0.06123581017298555, 0.15376317347428636]
|
706.3787
|
The formation of black holes in spherically symmetric gravitational
collapse
|
We consider the spherically symmetric, asymptotically flat Einstein-Vlasov
system. We find explicit conditions on the initial data, with ADM mass M, such
that the resulting spacetime has the following properties: there is a family of
radially outgoing null geodesics where the area radius r along each geodesic is
bounded by 2M, the timelike lines $r=c\in [0,2M]$ are incomplete, and for r>2M
the metric converges asymptotically to the Schwarzschild metric with mass M.
The initial data that we construct guarantee the formation of a black hole in
the evolution. We also give examples of such initial data with the additional
property that the solutions exist for all $r\geq 0$ and all Schwarzschild time,
i.e., we obtain global existence in Schwarzschild coordinates in situations
where the initial data are not small. Some of our results are also established
for the Einstein equations coupled to a general matter model characterized by
conditions on the matter quantities.
|
gr-qc
|
we consider the spherically symmetric asymptotically flat einsteinvlasov system we find explicit conditions on the initial data with adm mass m such that the resulting spacetime has the following properties there is a family of radially outgoing null geodesics where the area radius r along each geodesic is bounded by 2m the timelike lines rcin 02m are incomplete and for r2m the metric converges asymptotically to the schwarzschild metric with mass m the initial data that we construct guarantee the formation of a black hole in the evolution we also give examples of such initial data with the additional property that the solutions exist for all rgeq 0 and all schwarzschild time ie we obtain global existence in schwarzschild coordinates in situations where the initial data are not small some of our results are also established for the einstein equations coupled to a general matter model characterized by conditions on the matter quantities
|
[['we', 'consider', 'the', 'spherically', 'symmetric', 'asymptotically', 'flat', 'einsteinvlasov', 'system', 'we', 'find', 'explicit', 'conditions', 'on', 'the', 'initial', 'data', 'with', 'adm', 'mass', 'm', 'such', 'that', 'the', 'resulting', 'spacetime', 'has', 'the', 'following', 'properties', 'there', 'is', 'a', 'family', 'of', 'radially', 'outgoing', 'null', 'geodesics', 'where', 'the', 'area', 'radius', 'r', 'along', 'each', 'geodesic', 'is', 'bounded', 'by', '2m', 'the', 'timelike', 'lines', 'rcin', '02m', 'are', 'incomplete', 'and', 'for', 'r2m', 'the', 'metric', 'converges', 'asymptotically', 'to', 'the', 'schwarzschild', 'metric', 'with', 'mass', 'm', 'the', 'initial', 'data', 'that', 'we', 'construct', 'guarantee', 'the', 'formation', 'of', 'a', 'black', 'hole', 'in', 'the', 'evolution', 'we', 'also', 'give', 'examples', 'of', 'such', 'initial', 'data', 'with', 'the', 'additional', 'property', 'that', 'the', 'solutions', 'exist', 'for', 'all', 'rgeq', '0', 'and', 'all', 'schwarzschild', 'time', 'ie', 'we', 'obtain', 'global', 'existence', 'in', 'schwarzschild', 'coordinates', 'in', 'situations', 'where', 'the', 'initial', 'data', 'are', 'not', 'small', 'some', 'of', 'our', 'results', 'are', 'also', 'established', 'for', 'the', 'einstein', 'equations', 'coupled', 'to', 'a', 'general', 'matter', 'model', 'characterized', 'by', 'conditions', 'on', 'the', 'matter', 'quantities']]
|
[-0.18303964353521893, 0.09710570925074678, -0.06987893536049676, 0.08182274444353473, -0.058797326534802685, -0.14226975544404827, -0.05456371571543921, 0.3488147121449736, -0.18506246627504497, -0.265049397310481, 0.13809866852840824, -0.31003805203669654, -0.07563903780292573, 0.15816332325860122, -0.0460103794397774, 0.05559231404607233, 0.06236456927236807, 0.0989911555493324, -0.11629662932835727, -0.2528528658562879, 0.4204546301166135, 0.010509772262977142, 0.21303125046267124, -0.001699395750428697, 0.11869105432599195, -0.019394894079979214, 0.02576204015579271, 0.052407228978776595, -0.21804413079864485, 0.02607739040333974, 0.19919990066218338, 0.16945619431422337, 0.2091431570925603, -0.380351973838467, -0.1935268774916614, 0.13734976711719737, 0.12204947700190946, 0.10965554668617092, -0.08974020595594898, -0.2811353805131818, 0.11410162996923502, -0.1192801715622313, -0.21027963463290544, -0.045291536058740395, 0.06886347196996212, 0.02922407569559781, -0.27009381311271635, 0.08880770126454177, 0.076302256692495, -0.03230235587168289, -0.14555809112636398, -0.06761453617027176, -0.07273318566302278, 0.08562048855176392, 0.10093323426247623, 0.015329427818007963, 0.09305101526306796, -0.05507892032772744, -0.022575440857173435, 0.3536831378936002, -0.0796054434751185, -0.27918788930401206, 0.13758635745034553, -0.19023626968785384, -0.10118319816875125, 0.10147182937209054, 0.13572616406753168, 0.18995438514301846, -0.13666470392031202, 0.16418353599529886, -0.08117885695460964, 0.12478146185151816, 0.1152514879695924, 0.030576299533238756, 0.2348723168091199, 0.08344443242439363, 0.10367804045458079, 0.10646079141550122, -0.05084135910338342, -0.09285521596719168, -0.37175512739065053, -0.13247535406385155, -0.14980001694149045, 0.09996663974791438, -0.177907047972296, -0.194225944911044, 0.33029353148671553, 0.09167484076591025, 0.20211423820766963, 0.07754930015347015, 0.24207491871263637, 0.06459556208267857, 0.0021315970715429437, 0.187147000479806, 0.2626725933922372, 0.08813132470057003, 0.107080974248483, -0.1892392928279342, -0.020195975023517877, 0.07138961990466142]
|
706.3788
|
Measurement of the Neutrino Asymmetry Parameter B in Neutron Decay
|
A new measurement of the neutrino asymmetry parameter B in neutron decay, the
angular correlation between neutron spin and anti-neutrino momentum, is
presented. The result, B=0.9802(50), agrees with the Standard Model expectation
and earlier measurements, and permits improved tests on ``new physics'' in
neutron decay.
|
hep-ph
|
a new measurement of the neutrino asymmetry parameter b in neutron decay the angular correlation between neutron spin and antineutrino momentum is presented the result b0980250 agrees with the standard model expectation and earlier measurements and permits improved tests on new physics in neutron decay
|
[['a', 'new', 'measurement', 'of', 'the', 'neutrino', 'asymmetry', 'parameter', 'b', 'in', 'neutron', 'decay', 'the', 'angular', 'correlation', 'between', 'neutron', 'spin', 'and', 'antineutrino', 'momentum', 'is', 'presented', 'the', 'result', 'b0980250', 'agrees', 'with', 'the', 'standard', 'model', 'expectation', 'and', 'earlier', 'measurements', 'and', 'permits', 'improved', 'tests', 'on', 'new', 'physics', 'in', 'neutron', 'decay']]
|
[-0.0653645505239679, 0.24232151130193166, -0.09547894497783008, 0.12666384333120237, -0.07092289736663754, -0.11528966121841222, 0.07715548342093825, 0.2745288625698198, -0.1930098690076689, -0.330806117547168, -0.03163834021490237, -0.3262238221941516, 0.041580163619735024, 0.25899469284658233, 0.05951867841014808, 0.11034019367600029, 0.10248586018993096, 0.024431752929971975, -0.15856625795872373, -0.13581235879047943, 0.28761370884868404, 0.1345642699743621, 0.2678372206335718, 0.06489586517934433, 0.06890360126271844, 0.04758260584309359, -0.12817825825715606, -0.06247839132662524, -0.15240289895287293, 0.025340471289713274, 0.14739051977680487, 0.10267587083349512, 0.055747358932752504, -0.3789039016912945, -0.13310768709264018, 0.11038069882091474, 0.10378161163746634, 0.09009158304384486, -0.08696985493721017, -0.2776134489104152, 0.0013654811773449183, -0.24877834337001498, -0.11395268811082299, -0.07731836063745008, 0.00574605581773953, -0.0010573227085511792, -0.3501202363774858, 0.17296529572922736, 0.004520040047778325, -0.016179201552983035, -0.08279511748432097, -0.19015274242370983, 0.05630275323479013, 0.025325924528508702, 0.15361138843052852, 0.0734882419704015, 0.12465029458028519, -0.09983430106446824, -0.1465118997082093, 0.2858054580336267, -0.09325182234831365, -0.16164525217291983, 0.11024008410855789, -0.279445760989223, -0.10326998596164313, 0.10908195492282341, 0.13519071220335635, 0.10186125621707602, -0.14108218972317196, 0.07726136281350839, -0.06821458058601076, 0.18541362022303723, 0.03353479837956415, 0.04827577531845732, 0.26372757223858073, 0.24946581998797643, 0.0041794439735399055, 0.012196640886197036, -0.20092844862533224, -0.06292863191232424, -0.3571399606616152, -0.13079064993441783, -0.1334705711871555, 0.08638250738890334, -0.0854250592995165, -0.0771479602818462, 0.39156671960584144, 0.07856649991167201, 0.18627391021106054, -0.012716394764455881, 0.3206828616517173, 0.06879263242907738, 0.06401425524514211, -0.005295684550550173, 0.35790142753500154, 0.25086265649985184, 0.1561720919985832, -0.34358688461890613, 0.08058548967396333, 0.03222775154493072]
|
706.3789
|
Symbolic Computations for Nonlinear Resonances
|
Nonlinear dynamics and pattern formation in the systems with quadratic
nonlinearity is computed symbolically by specially developed MATHEMATICA
package. A Web interface for the presented methods is developed, which turns
the implementations from only locally available software to Web-based services
that can be accessed from any computer in the Internet that is equipped with a
Web browser. In particular, the results are not bound to the current
Mathematica implementation but can be adapted to any other computer algebra
system (e.g. Maple) or numerical software system (e.g.MATLAB) of similar
expressiveness. Barotropic vorticity equation (=Hasegawa-Mima equation) with
zero boundary conditions on a square is taken as a main example.
|
nlin.PS
|
nonlinear dynamics and pattern formation in the systems with quadratic nonlinearity is computed symbolically by specially developed mathematica package a web interface for the presented methods is developed which turns the implementations from only locally available software to webbased services that can be accessed from any computer in the internet that is equipped with a web browser in particular the results are not bound to the current mathematica implementation but can be adapted to any other computer algebra system eg maple or numerical software system egmatlab of similar expressiveness barotropic vorticity equation hasegawamima equation with zero boundary conditions on a square is taken as a main example
|
[['nonlinear', 'dynamics', 'and', 'pattern', 'formation', 'in', 'the', 'systems', 'with', 'quadratic', 'nonlinearity', 'is', 'computed', 'symbolically', 'by', 'specially', 'developed', 'mathematica', 'package', 'a', 'web', 'interface', 'for', 'the', 'presented', 'methods', 'is', 'developed', 'which', 'turns', 'the', 'implementations', 'from', 'only', 'locally', 'available', 'software', 'to', 'webbased', 'services', 'that', 'can', 'be', 'accessed', 'from', 'any', 'computer', 'in', 'the', 'internet', 'that', 'is', 'equipped', 'with', 'a', 'web', 'browser', 'in', 'particular', 'the', 'results', 'are', 'not', 'bound', 'to', 'the', 'current', 'mathematica', 'implementation', 'but', 'can', 'be', 'adapted', 'to', 'any', 'other', 'computer', 'algebra', 'system', 'eg', 'maple', 'or', 'numerical', 'software', 'system', 'egmatlab', 'of', 'similar', 'expressiveness', 'barotropic', 'vorticity', 'equation', 'hasegawamima', 'equation', 'with', 'zero', 'boundary', 'conditions', 'on', 'a', 'square', 'is', 'taken', 'as', 'a', 'main', 'example']]
|
[-0.13062173625474074, 0.02987366335308355, -0.0933946617088228, 0.03560751769472054, -0.15006011058268892, -0.24326186057812763, -0.07595911913744684, 0.3694093679780808, -0.30136310033289326, -0.30588206044345534, 0.15212094668795373, -0.24589459817715972, -0.13298367609858583, 0.27806582070562, -0.04180778221011421, 0.059769091363293385, 0.12424331385519286, 0.044892086618896224, -0.038816428839949506, -0.29483288410559017, 0.2817727775216313, 0.051441943567281344, 0.2521785408662597, 0.0424954751396622, 0.047356358156012336, -0.03621313874587803, -0.011757879447683974, 0.029029540462805977, -0.12745519436279176, 0.0753524289510371, 0.32136039454314225, 0.15375254163957852, 0.26274569155999794, -0.42639680470357527, -0.17525533589376313, 0.01843216354115251, 0.16678945041733315, 0.11215647348128084, -0.056479466429973056, -0.315647904822638, 0.08933847184613664, -0.22361114301349758, -0.1279860688593098, -0.07561511061382743, -0.009801309907211448, 0.04989762202274265, -0.2537920106738314, -0.011686258356280203, 0.0060960969432995145, 0.0907108235823096, -0.03003084918545594, -0.06798432996487772, -0.09136555013071113, 0.09747671329565698, -0.0296371622221931, 0.056905230977308915, 0.15197452690610486, -0.11567960831969273, -0.12288339597058816, 0.39386545313205923, -0.046156560505722775, -0.24586358840384012, 0.212278866529781, -0.06990825237688732, -0.11586135897767853, 0.10750969780503579, 0.18027260856492058, 0.06032004123685425, -0.2049116832028442, 0.1456888262616286, -0.006362375789014447, 0.21941971200087793, 0.02603365047746953, -0.0685426541648032, 0.16448391783314775, 0.14638743805040097, 0.027528219214939285, 0.13691449935936792, 0.05186075959706082, -0.10626768053702589, -0.28913283077472784, -0.1631468524612741, -0.20840878969822782, 0.00012442774706594823, -0.05099850429102827, -0.1846098883499233, 0.34267703953357237, 0.14862586768730632, 0.054815432074356754, 0.021630429951605863, 0.3542857043585687, 0.1185534320110543, 0.1404804433520251, 0.1461502297359677, 0.11817897635101306, 0.059883744247204995, 0.18755589134305856, -0.15125017223071377, 0.0693046567469554, 0.09009148887048897]
|
706.379
|
Measurement of the p anti-p to t anti-t Production Cross Section and the
Top Quark Mass at sqrt{s}=1.96 TeV in the All-Hadronic Decay Mode
|
We report the measurements of the t anti-t production cross section and of
the top quark mass using 1.02 fb^-1 of p anti-p data collected with the CDFII
detector at the Fermilab Tevatron. We select events with six or more jets on
which a number of kinematical requirements are imposed by means of a neural
network algorithm. At least one of these jets must be identified as initiated
by a b-quark candidate by the reconstruction of a secondary vertex. The cross
section is measured to be sigma_{tt}=8.3+-1.0(stat.)+2.0-1.5(syst.)+-0.5(lumi.)
pb, which is consistent with the standard model prediction. The top quark mass
of 174.0+-2.2(stat.)+-4.8(syst.) GeV/c^2 is derived from a likelihood fit
incorporating reconstructed mass distributions representative of signal and
background.
|
hep-ex
|
we report the measurements of the t antit production cross section and of the top quark mass using 102 fb1 of p antip data collected with the cdfii detector at the fermilab tevatron we select events with six or more jets on which a number of kinematical requirements are imposed by means of a neural network algorithm at least one of these jets must be identified as initiated by a bquark candidate by the reconstruction of a secondary vertex the cross section is measured to be sigma_tt8310stat2015syst05lumi pb which is consistent with the standard model prediction the top quark mass of 174022stat48syst gevc2 is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background
|
[['we', 'report', 'the', 'measurements', 'of', 'the', 't', 'antit', 'production', 'cross', 'section', 'and', 'of', 'the', 'top', 'quark', 'mass', 'using', '102', 'fb1', 'of', 'p', 'antip', 'data', 'collected', 'with', 'the', 'cdfii', 'detector', 'at', 'the', 'fermilab', 'tevatron', 'we', 'select', 'events', 'with', 'six', 'or', 'more', 'jets', 'on', 'which', 'a', 'number', 'of', 'kinematical', 'requirements', 'are', 'imposed', 'by', 'means', 'of', 'a', 'neural', 'network', 'algorithm', 'at', 'least', 'one', 'of', 'these', 'jets', 'must', 'be', 'identified', 'as', 'initiated', 'by', 'a', 'bquark', 'candidate', 'by', 'the', 'reconstruction', 'of', 'a', 'secondary', 'vertex', 'the', 'cross', 'section', 'is', 'measured', 'to', 'be', 'sigma_tt8310stat2015syst05lumi', 'pb', 'which', 'is', 'consistent', 'with', 'the', 'standard', 'model', 'prediction', 'the', 'top', 'quark', 'mass', 'of', '174022stat48syst', 'gevc2', 'is', 'derived', 'from', 'a', 'likelihood', 'fit', 'incorporating', 'reconstructed', 'mass', 'distributions', 'representative', 'of', 'signal', 'and', 'background']]
|
[-0.05686458362821401, 0.1584845793850977, -0.08438567018160469, 0.08085897113577913, -0.0355318625746616, -0.1272494081801189, 0.04892078925983916, 0.3265094114306929, -0.1802057186864188, -0.3842972840889004, 0.022193667896348853, -0.3596705178698075, 0.0564213394215491, 0.15591930816198923, 0.050251188334719886, 0.11292141098689673, 0.13688226268377862, 0.0487570973697263, -0.05479717998091003, -0.24645413309415995, 0.3015168161163556, 0.07301700543933387, 0.21235947917087067, 0.05497478339259095, 0.11072473402299661, 0.02082283390637744, -0.09193730081887193, -0.02515776473968611, -0.09382302998484851, 0.0692630177484183, 0.2190594373879039, 0.13023653568234295, 0.13278557547716352, -0.3431027950799285, -0.09875089437941667, 0.10439999032251794, 0.09697653820079848, 0.018460891195492626, -0.05148253155079899, -0.31575108938529317, 0.15601113879378756, -0.2215158478196325, -0.08322982782907463, 0.030500974459975058, -0.026387983776532627, -0.04691703106549665, -0.34368261425948604, 0.08711863579910956, -0.05421875243613111, 0.05414899095194414, 0.02089666814848395, -0.19807444148343697, -0.13499929900040272, 0.003961373331298217, 0.07759356106619415, 0.09450229394634993, 0.18866274175073566, -0.15551073280773287, -0.18382135803955768, 0.3488289496122763, -0.05688628752651657, -0.15840374010390249, 0.1540983365668016, -0.192102372911277, -0.10830502200807476, 0.17733437812822903, 0.2646695933192326, 0.10024442927558617, -0.26483217414051036, 0.050468117388061666, -0.02460735743255194, 0.165139765958382, 0.08344451179888485, -0.0020088090296385103, 0.2111641738788578, 0.25543972347754634, -0.011237231821849429, 0.05995625966421232, -0.19249137617238188, -0.003679726858912357, -0.4080718078827164, -0.08823241984295048, -0.10890718282939031, 0.05070052738351635, -0.047838387242869616, -0.08456490251059033, 0.377675958467519, 0.08056142230333503, 0.33302044804240094, 0.008976588224398037, 0.31136065740780583, 0.11315930110667351, 0.11279181263345325, 0.08318007532266322, 0.28852901459623387, 0.1432004542840677, 0.10825259171442353, -0.16642152968641563, 0.06937050553648894, 0.0559815910116946]
|
706.3791
|
Secure Reusable Base-String in Quantum Key Distribution
|
Protecting secure random key from eavesdropping in quantum key distribution
protocols has been well developed. In this letter, we further study how to
detect and eliminate eavesdropping on the random base string in such protocols.
The correlation between the base string and the key enables Alice and Bob to
use specific privacy amplification to distill and reuse the previously shared
base string with unconditional security and high efficiency. The analysis of
the unconditional secure reusable base string brings about new concept and
protocol design technique.
|
quant-ph
|
protecting secure random key from eavesdropping in quantum key distribution protocols has been well developed in this letter we further study how to detect and eliminate eavesdropping on the random base string in such protocols the correlation between the base string and the key enables alice and bob to use specific privacy amplification to distill and reuse the previously shared base string with unconditional security and high efficiency the analysis of the unconditional secure reusable base string brings about new concept and protocol design technique
|
[['protecting', 'secure', 'random', 'key', 'from', 'eavesdropping', 'in', 'quantum', 'key', 'distribution', 'protocols', 'has', 'been', 'well', 'developed', 'in', 'this', 'letter', 'we', 'further', 'study', 'how', 'to', 'detect', 'and', 'eliminate', 'eavesdropping', 'on', 'the', 'random', 'base', 'string', 'in', 'such', 'protocols', 'the', 'correlation', 'between', 'the', 'base', 'string', 'and', 'the', 'key', 'enables', 'alice', 'and', 'bob', 'to', 'use', 'specific', 'privacy', 'amplification', 'to', 'distill', 'and', 'reuse', 'the', 'previously', 'shared', 'base', 'string', 'with', 'unconditional', 'security', 'and', 'high', 'efficiency', 'the', 'analysis', 'of', 'the', 'unconditional', 'secure', 'reusable', 'base', 'string', 'brings', 'about', 'new', 'concept', 'and', 'protocol', 'design', 'technique']]
|
[-0.18190598574172542, 0.047544612461591466, -0.09883884547606987, 0.06617189456626554, -0.05736811202676857, -0.2907102644333945, 0.14678686890915474, 0.337494575539056, -0.2742159899762448, -0.3004428357543314, 0.04595655866569894, -0.2263602489934248, -0.11871907076634028, 0.15858427429681315, -0.1657588916063747, 0.14342627954833648, -0.035142615240286376, 0.013100165369756082, 0.013345077239415224, -0.2897913477000068, 0.3682520114323672, 0.13596072328304323, 0.4099708828417694, 0.0470511159804814, 0.0695505400243051, 0.06533391830675742, -0.0759951221756637, -0.10901933537029168, -0.09396510923774365, 0.15135878171114361, 0.2983651489457663, 0.23829418747576284, 0.2880249191294698, -0.4127739678999847, -0.20657425267512308, 0.07532350443413152, 0.16805353461600403, 0.17396898324437002, -0.05231100897825159, -0.2836609990719487, 0.15685033667832612, -0.26165282041491833, -0.05803300525226137, -0.09902619852218777, -0.058105850077288995, 0.03119287994580672, -0.23258741714936845, -0.057093769799479666, 0.044087598482420776, 0.06721247832345612, 0.03862507911399007, -0.022537055721177774, 0.02143667489016319, 0.24378970252514323, 0.03770915725651909, 0.035723794028436874, 0.13260852684102514, -0.08349682687343482, -0.17126257501693223, 0.3065041071132702, -0.015065035399268656, -0.163389255610459, 0.16249346882104873, -0.047869625873863696, -0.15170385215760154, 0.04710386442568372, 0.20600675422807826, 0.05565352827748832, -0.14054226311033263, 0.03152524115627303, -0.0034350463791805153, 0.25338117734474297, 0.10970107492004685, 0.16727146998266965, 0.16609626673161984, 0.13952250898206223, 0.09141964752583162, 0.1503792899167713, -0.08944525116342394, -0.16922155676738304, -0.2928242722416625, -0.19166425789761193, -0.18609416954876745, 0.07389195908600574, -0.069404533361975, -0.07134538760189624, 0.33704246992574016, 0.214559024339713, 0.13372248736593653, 0.00210210139698842, 0.40222895103506745, -0.010817491882206763, 0.05906021378057844, 0.1558523343437735, 0.20069384173873592, 0.1602520381045692, 0.14322486026212572, -0.15913690885748058, 0.1315165910322, 0.01065847682492698]
|
706.3792
|
Renormalized Fermi hypernetted chain approach in medium-heavy nuclei
|
The application of the Correlated basis function theory and of the Fermi
hypernetted chain technique, to the description of the ground state of
medium-heavy nuclei is reviewed. We discuss how the formalism, originally
developed for symmetric nuclear matter, should be changed in order to describe
finite nuclear systems, with different number of protons and neutrons. This
approach allows us to describe doubly closed shell nuclei by using microscopic
nucleon-nucleon interactions. We presents results of numerical calculations
done with two-nucleon interactions of Argonne type,implemented with three-body
forces of Urbana type. Our results regard ground-state energies, matter, charge
and momentum distributions, natural orbits, occupation numbers, quasi-hole wave
functions and spectroscopic factors of 12C, 16O, 40Ca, 48Ca and 208Pb nuclei.
|
nucl-th
|
the application of the correlated basis function theory and of the fermi hypernetted chain technique to the description of the ground state of mediumheavy nuclei is reviewed we discuss how the formalism originally developed for symmetric nuclear matter should be changed in order to describe finite nuclear systems with different number of protons and neutrons this approach allows us to describe doubly closed shell nuclei by using microscopic nucleonnucleon interactions we presents results of numerical calculations done with twonucleon interactions of argonne typeimplemented with threebody forces of urbana type our results regard groundstate energies matter charge and momentum distributions natural orbits occupation numbers quasihole wave functions and spectroscopic factors of 12c 16o 40ca 48ca and 208pb nuclei
|
[['the', 'application', 'of', 'the', 'correlated', 'basis', 'function', 'theory', 'and', 'of', 'the', 'fermi', 'hypernetted', 'chain', 'technique', 'to', 'the', 'description', 'of', 'the', 'ground', 'state', 'of', 'mediumheavy', 'nuclei', 'is', 'reviewed', 'we', 'discuss', 'how', 'the', 'formalism', 'originally', 'developed', 'for', 'symmetric', 'nuclear', 'matter', 'should', 'be', 'changed', 'in', 'order', 'to', 'describe', 'finite', 'nuclear', 'systems', 'with', 'different', 'number', 'of', 'protons', 'and', 'neutrons', 'this', 'approach', 'allows', 'us', 'to', 'describe', 'doubly', 'closed', 'shell', 'nuclei', 'by', 'using', 'microscopic', 'nucleonnucleon', 'interactions', 'we', 'presents', 'results', 'of', 'numerical', 'calculations', 'done', 'with', 'twonucleon', 'interactions', 'of', 'argonne', 'typeimplemented', 'with', 'threebody', 'forces', 'of', 'urbana', 'type', 'our', 'results', 'regard', 'groundstate', 'energies', 'matter', 'charge', 'and', 'momentum', 'distributions', 'natural', 'orbits', 'occupation', 'numbers', 'quasihole', 'wave', 'functions', 'and', 'spectroscopic', 'factors', 'of', '12c', '16o', '40ca', '48ca', 'and', '208pb', 'nuclei']]
|
[-0.05216136182545973, 0.21649420850685444, -0.11285582059243662, 0.14915374607441884, 0.005720088760175839, -0.0905269153480386, 0.030592202523056868, 0.350047057093089, -0.17001521234111538, -0.28026476795070393, -0.12693835529077252, -0.32179181709103305, -0.02298367080471382, 0.13023299929196144, 0.1032146358910691, 0.07216487488115271, 0.061026106010480176, 0.007588165981799428, -0.11622611604679119, -0.17074170982834466, 0.3713428125403629, 0.09094667043697474, 0.19760442421654167, 0.11316859797606695, 0.046319480716443526, 0.08732214267365634, 0.02142080159231635, -0.05299782051287334, -0.14956272834739326, 0.13034945560803893, 0.31063451404594977, 0.05195403331087838, 0.16848528840787838, -0.4939887249553255, -0.14970430137252372, 0.09599439447328191, 0.14024058903029574, 0.19409893510124548, -0.0640677320020743, -0.3467697577735666, -0.015523754144569153, -0.32644313822725207, -0.25342034735989855, -0.1766731803393762, 0.03904479643297863, 0.14056898406225032, -0.2274780382024895, 0.05655001253612211, -0.027294501357165903, 0.03575292843184986, -0.16338670528985577, -0.23191735935638305, 0.014853419228216055, 0.05015631091925476, 0.07654452378709062, 0.028983976009526645, 0.20542507420358216, -0.0724608115350089, -0.0733200877474356, 0.4200367066639893, 0.029160773978721157, -0.14841532982897881, 0.13295693972533376, -0.16123353309752742, -0.12032919770492048, 0.16618704436154202, 0.15202780004092975, 0.11743111396208405, -0.16699448607637193, 0.10600113357037932, -0.011237420695547841, 0.18950155965385734, 0.04062806911654128, 0.0337142086234586, 0.1364527830067753, 0.18493382120504975, -0.03295009579621898, 0.06553936316049658, -0.13595063630732354, -0.13948167843647816, -0.29891950529518313, -0.06893132536866876, -0.16004306966740464, 0.024200565521259078, -0.012845620741151425, -0.10818445728288899, 0.3677421787127467, 0.022461035664969917, 0.13983481821347157, -0.03776835261017148, 0.25713149410800945, 0.06835775622186765, 0.025719023638822395, 0.022929994127480313, 0.264998153383956, 0.25920571084937144, 0.019287547233097, -0.30431951931276324, -0.02907664078721327, 0.11130112166323795]
|
706.3793
|
Critical tests of unintegrated gluon distributions
|
We use the unintegrated Parton Density Functions of the gluon obtained from a
fit to measurements of the structure functions F2 and F2c at HERA to describe
the experimental data for F2b, FL and FL at fixed W.
|
hep-ph
|
we use the unintegrated parton density functions of the gluon obtained from a fit to measurements of the structure functions f2 and f2c at hera to describe the experimental data for f2b fl and fl at fixed w
|
[['we', 'use', 'the', 'unintegrated', 'parton', 'density', 'functions', 'of', 'the', 'gluon', 'obtained', 'from', 'a', 'fit', 'to', 'measurements', 'of', 'the', 'structure', 'functions', 'f2', 'and', 'f2c', 'at', 'hera', 'to', 'describe', 'the', 'experimental', 'data', 'for', 'f2b', 'fl', 'and', 'fl', 'at', 'fixed', 'w']]
|
[0.010422759173387612, 0.12350708621277197, -0.17668850294540864, 0.11128047629687432, -0.026204214764859627, -0.06141911178663675, 0.041713001508567785, 0.3747208762813259, -0.22978345986858412, -0.2083256473211018, 0.008519269135856145, -0.3216799644098894, 0.015297305996756296, 0.13413813674973474, 0.12956156772938934, 0.11574736932242238, 0.025019370258559246, -0.049024372600723766, -0.15571422859824993, -0.18407641214670967, 0.3715342693534252, 0.02555986257219637, 0.24510048873521187, 0.08971546831968669, 0.15336428890067683, 0.0940759276115411, -0.08673612758630535, -0.081133447184756, -0.18909476840918935, 0.08510632097494562, 0.2806241772880123, 0.07956084166024183, 0.07805029409182435, -0.39974502796256867, -0.08221398301523279, -0.014691152433688575, 0.05364141172754604, 0.052811917496492736, 0.04842117514360596, -0.23906926986937588, 0.0506975339423563, -0.21813302950279131, -0.17987157630960685, -0.11076899799140724, -0.04039196121330197, 0.04427776732356162, -0.36707557795248374, 0.05284232238458621, -0.08742476118778861, -0.009035964949509583, -0.04275941674289218, -0.2515061523866009, -0.09306091541499906, 0.03296768694260233, 0.030349100411340996, 0.1745013502753667, 0.1129985236864839, -0.22312212857493274, -0.0841112044715398, 0.3099423305106324, -0.07742275086206359, -0.15960196487454548, 0.12625781748745893, -0.2579879869480391, -0.185374348537644, 0.10421981363292984, 0.20667807171372948, 0.013438122708828666, -0.14923580121909696, 0.14611090548223238, -0.03166474066234219, 0.1629932562197634, 0.0938495682187479, 0.04272179987684295, 0.15301598875305136, 0.12701587706200174, -0.038465204623502655, 0.05845358036458492, -0.10573416056010772, -0.03800636244232993, -0.4049559035212607, -0.04063653049839509, -0.14985093592061988, 0.03420825654993186, -0.05861003574761059, -0.11258872759503287, 0.43928850895246946, 0.05906450884366358, 0.28363517713984726, 0.08484290009112777, 0.29656950794663783, 0.1245678339021381, 0.09873631728712369, 0.05823863008235757, 0.16861925848029755, 0.14046946729256496, 0.15501254588063504, -0.2175731242294549, 0.018770116532372462, 0.026668392329451604]
|
706.3794
|
On systematic scan for sampling H-colourings of the path
|
This paper is concerned with sampling from the uniform distribution on
H-colourings of the n-vertex path using systematic scan Markov chains. An
H-colouring of the n-vertex path is a homomorphism from the n-vertex path to
some fixed graph H. We show that systematic scan for H-colourings of the
n-vertex path mixes in O(log n) scans for any fixed H. This is a significant
improvement over the previous bound on the mixing time which was O(n^5) scans.
Furthermore we show that for a slightly more restricted family of H (where any
two vertices are connected by a 2-edge path) systematic scan also mixes in
O(log n) scans for any scan order. Finally, for completeness, we show that a
random update Markov chain mixes in O(n log n) updates for any fixed H,
improving the previous bound on the mixing time from O(n^5) updates.
|
math.PR
|
this paper is concerned with sampling from the uniform distribution on hcolourings of the nvertex path using systematic scan markov chains an hcolouring of the nvertex path is a homomorphism from the nvertex path to some fixed graph h we show that systematic scan for hcolourings of the nvertex path mixes in olog n scans for any fixed h this is a significant improvement over the previous bound on the mixing time which was on5 scans furthermore we show that for a slightly more restricted family of h where any two vertices are connected by a 2edge path systematic scan also mixes in olog n scans for any scan order finally for completeness we show that a random update markov chain mixes in on log n updates for any fixed h improving the previous bound on the mixing time from on5 updates
|
[['this', 'paper', 'is', 'concerned', 'with', 'sampling', 'from', 'the', 'uniform', 'distribution', 'on', 'hcolourings', 'of', 'the', 'nvertex', 'path', 'using', 'systematic', 'scan', 'markov', 'chains', 'an', 'hcolouring', 'of', 'the', 'nvertex', 'path', 'is', 'a', 'homomorphism', 'from', 'the', 'nvertex', 'path', 'to', 'some', 'fixed', 'graph', 'h', 'we', 'show', 'that', 'systematic', 'scan', 'for', 'hcolourings', 'of', 'the', 'nvertex', 'path', 'mixes', 'in', 'olog', 'n', 'scans', 'for', 'any', 'fixed', 'h', 'this', 'is', 'a', 'significant', 'improvement', 'over', 'the', 'previous', 'bound', 'on', 'the', 'mixing', 'time', 'which', 'was', 'on5', 'scans', 'furthermore', 'we', 'show', 'that', 'for', 'a', 'slightly', 'more', 'restricted', 'family', 'of', 'h', 'where', 'any', 'two', 'vertices', 'are', 'connected', 'by', 'a', '2edge', 'path', 'systematic', 'scan', 'also', 'mixes', 'in', 'olog', 'n', 'scans', 'for', 'any', 'scan', 'order', 'finally', 'for', 'completeness', 'we', 'show', 'that', 'a', 'random', 'update', 'markov', 'chain', 'mixes', 'in', 'on', 'log', 'n', 'updates', 'for', 'any', 'fixed', 'h', 'improving', 'the', 'previous', 'bound', 'on', 'the', 'mixing', 'time', 'from', 'on5', 'updates']]
|
[-0.15833254788369333, 0.19126138314500232, -0.04490254898752335, 0.010593163594767504, -0.05331377460929552, -0.15697012861705267, 0.11078871330853, 0.43231511862397615, -0.25439509600532095, -0.33427526005773317, 0.07771348427000627, -0.31870787450387866, -0.06772899829854691, 0.1454489646269612, -0.058113326398905, 0.04660558703840828, 0.16268012792029432, 0.07870062091715739, -0.020370746849590098, -0.2520139679211457, 0.2525930977098539, 0.004785374174235572, 0.18950072409827787, 0.006975618446849181, 0.09188818352782285, 0.08050035556424147, -0.027423222319708323, 0.0362457768060267, -0.18686371655640985, 0.05682655889540911, 0.20610717356591945, 0.13630298089931234, 0.24978382169255908, -0.3689383934055206, -0.18653662611966507, 0.2093634089900994, 0.17481939969781105, 0.0859853188912253, -0.03391057705315253, -0.21048008772531446, 0.10092042290202251, -0.09974374787055586, -0.032496700907768815, 0.014586161628601626, 0.048605497401784846, -0.02260564648690568, -0.3346232469062465, -0.030370075395207814, 0.08244912756580702, 0.05375251042145029, 0.041911518093014896, -0.1438159644095437, -0.020676452627169415, 0.08814378087999115, -0.047774623697426855, 0.15042869799153905, 0.042924488248618345, -0.09151677985701867, -0.17234690457871052, 0.3256990718339655, -0.09705475706264416, -0.17059016815701525, 0.08638166047757308, -0.11885672933946718, -0.22877361401784377, 0.17601671204967817, 0.12812830232949535, 0.1961146430965041, -0.10030198069682843, 0.18672240159513664, -0.0931358110540035, 0.1697026892289729, 0.08867845693799917, -0.03966719166270759, 0.03437259037406913, 0.13896572118310233, 0.21078930881110505, 0.166632212003247, -0.04141772033410593, -0.07362724740294294, -0.35291643091805386, -0.17291868635220453, -0.22127066159450356, 0.05465045151412225, -0.186279471355333, -0.1515299555137229, 0.37964806355483516, 0.16335408667715506, 0.23718785569334114, 0.17003960958042535, 0.260036775002807, 0.07702762582077002, 0.034940475847204805, 0.1658237884509784, 0.11185017814240779, 0.08171821474983082, -0.013979447963745924, -0.19508233685275986, 0.10970947519436636, 0.0885722835246526]
|
706.3795
|
Scaling theory put into practice: first-principles modeling of transport
in doped silicon nanowires
|
We combine the ideas of scaling theory and universal conductance fluctuations
with density-functional theory to analyze the conductance properties of doped
silicon nanowires. Specifically, we study the cross-over from ballistic to
diffusive transport in boron (B) or phosphorus (P) doped Si-nanowires by
computing the mean free path, sample averaged conductance <G>, and
sample-to-sample variations std(G) as a function of energy, doping density,
wire length, and the radial dopant profile. Our main findings are: (i) the main
trends can be predicted quantitatively based on the scattering properties of
single dopants; (ii) the sample-to-sample fluctuations depend on energy but not
on doping density, thereby displaying a degree of universality, and (iii) in
the diffusive regime the analytical predictions of the DMPK theory are in good
agreement with our ab initio calculations.
|
cond-mat.mes-hall
|
we combine the ideas of scaling theory and universal conductance fluctuations with densityfunctional theory to analyze the conductance properties of doped silicon nanowires specifically we study the crossover from ballistic to diffusive transport in boron b or phosphorus p doped sinanowires by computing the mean free path sample averaged conductance g and sampletosample variations stdg as a function of energy doping density wire length and the radial dopant profile our main findings are i the main trends can be predicted quantitatively based on the scattering properties of single dopants ii the sampletosample fluctuations depend on energy but not on doping density thereby displaying a degree of universality and iii in the diffusive regime the analytical predictions of the dmpk theory are in good agreement with our ab initio calculations
|
[['we', 'combine', 'the', 'ideas', 'of', 'scaling', 'theory', 'and', 'universal', 'conductance', 'fluctuations', 'with', 'densityfunctional', 'theory', 'to', 'analyze', 'the', 'conductance', 'properties', 'of', 'doped', 'silicon', 'nanowires', 'specifically', 'we', 'study', 'the', 'crossover', 'from', 'ballistic', 'to', 'diffusive', 'transport', 'in', 'boron', 'b', 'or', 'phosphorus', 'p', 'doped', 'sinanowires', 'by', 'computing', 'the', 'mean', 'free', 'path', 'sample', 'averaged', 'conductance', 'g', 'and', 'sampletosample', 'variations', 'stdg', 'as', 'a', 'function', 'of', 'energy', 'doping', 'density', 'wire', 'length', 'and', 'the', 'radial', 'dopant', 'profile', 'our', 'main', 'findings', 'are', 'i', 'the', 'main', 'trends', 'can', 'be', 'predicted', 'quantitatively', 'based', 'on', 'the', 'scattering', 'properties', 'of', 'single', 'dopants', 'ii', 'the', 'sampletosample', 'fluctuations', 'depend', 'on', 'energy', 'but', 'not', 'on', 'doping', 'density', 'thereby', 'displaying', 'a', 'degree', 'of', 'universality', 'and', 'iii', 'in', 'the', 'diffusive', 'regime', 'the', 'analytical', 'predictions', 'of', 'the', 'dmpk', 'theory', 'are', 'in', 'good', 'agreement', 'with', 'our', 'ab', 'initio', 'calculations']]
|
[-0.11026610408572289, 0.1599616552758082, -0.09205762057576153, 0.03371957085630673, 0.03556287553762709, -0.1709603403262266, 0.09163013794074407, 0.391824443905255, -0.25518718416120595, -0.29057335573446563, -0.047471174456025146, -0.37228353449150803, -0.14073834747193367, 0.1529112065496935, 0.0017231792710193498, 0.03703446258739458, 0.0005208649562569116, -0.03832245354841309, -0.1087290702807519, -0.19211786485636445, 0.27182183481796873, 0.06810516460274353, 0.32819294151446715, 0.09565363196183113, -0.025289204686616114, 0.009388872726607746, 0.04441320973147792, 0.10044842647703907, -0.22030562273131346, 0.08865593089795429, 0.22447908748084253, -0.07334472102985724, 0.1922448845726885, -0.47037108980207915, -0.22606982684906896, -0.0206587969684812, 0.14672736900557917, 0.13939393586002466, -0.046737917382673425, -0.2384524030434921, 0.059174356906946134, -0.09963661193488785, -0.14022216346393537, -0.04578872267376837, 0.025164102673471914, 0.07814526938747131, -0.21961472221782183, 0.14260961368724, 0.011442737235856338, 0.057832688798494986, -0.0878993806944368, -0.14123139006826352, -0.06336637315391673, 0.06809480049955387, 0.039968357274792796, -0.0008920326436627803, 0.23316908952611404, -0.1044111128192483, -0.08807950021101411, 0.3345518324260167, -0.09131145828557531, -0.09941181872135366, 0.14408540810590362, -0.20085049003333322, -0.0836958752754401, 0.12909524834267502, 0.10639794715533517, 0.09569770144298673, -0.12489772136286488, 0.11525783319884222, -0.005909690862580195, 0.1768360234445005, 0.018203830867125764, 0.08507685361774482, 0.20992026108622552, 0.1912445505241328, 0.006400614097809757, 0.04437709648591122, -0.12586858637784937, -0.07773373663190782, -0.28107944374361377, -0.1437417796105293, -0.22589430839233982, 0.11180579034791706, -0.12133667771988658, -0.22726978654203217, 0.41398845461937855, 0.1756881361526591, 0.17415563480957874, 0.04995783023888201, 0.23841320637862864, 0.15231900595542866, 0.027640579923287063, 0.054574141465860794, 0.21175128130923304, 0.21673093524332504, 0.07487219127305732, -0.3192159289651822, 0.09459717810065962, 0.019212911187810457]
|
706.3796
|
Selection and reconstruction of very inclined air showers with the
Surface Detector of the Pierre Auger Observatory
|
The water-Cherenkov tanks of the Pierre Auger Observatory can detect
particles at all zenith angles and are therefore well-suited for the study of
inclined and horizontal air showers (60 - 90 degrees). Such showers are
characterised by a dominance of the muonic component at ground, and by a very
elongated and asymmetrical footprint which can even exhibit a lobular structure
due to the bending action of the geomagnetic field. Dedicated algorithms for
the selection and reconstruction of such events, as well as the corresponding
acceptance calculation, have been set up on basis of muon maps obtained from
shower simulations.
|
astro-ph
|
the watercherenkov tanks of the pierre auger observatory can detect particles at all zenith angles and are therefore wellsuited for the study of inclined and horizontal air showers 60 90 degrees such showers are characterised by a dominance of the muonic component at ground and by a very elongated and asymmetrical footprint which can even exhibit a lobular structure due to the bending action of the geomagnetic field dedicated algorithms for the selection and reconstruction of such events as well as the corresponding acceptance calculation have been set up on basis of muon maps obtained from shower simulations
|
[['the', 'watercherenkov', 'tanks', 'of', 'the', 'pierre', 'auger', 'observatory', 'can', 'detect', 'particles', 'at', 'all', 'zenith', 'angles', 'and', 'are', 'therefore', 'wellsuited', 'for', 'the', 'study', 'of', 'inclined', 'and', 'horizontal', 'air', 'showers', '60', '90', 'degrees', 'such', 'showers', 'are', 'characterised', 'by', 'a', 'dominance', 'of', 'the', 'muonic', 'component', 'at', 'ground', 'and', 'by', 'a', 'very', 'elongated', 'and', 'asymmetrical', 'footprint', 'which', 'can', 'even', 'exhibit', 'a', 'lobular', 'structure', 'due', 'to', 'the', 'bending', 'action', 'of', 'the', 'geomagnetic', 'field', 'dedicated', 'algorithms', 'for', 'the', 'selection', 'and', 'reconstruction', 'of', 'such', 'events', 'as', 'well', 'as', 'the', 'corresponding', 'acceptance', 'calculation', 'have', 'been', 'set', 'up', 'on', 'basis', 'of', 'muon', 'maps', 'obtained', 'from', 'shower', 'simulations']]
|
[-0.09662836508579524, 0.22832442933280134, -0.034541309915711076, 0.10118034130855634, -0.016531566319493006, -0.026431176529921666, -0.03506414158440822, 0.4128215729962198, -0.1974582596187841, -0.4145922161714763, 0.09762894218919409, -0.31564058924131855, -0.07381036463288629, 0.19542111862184747, 0.04639290236126708, 0.04636635733008081, 0.1400608405309292, -0.01950071492156356, -0.024156866742004592, -0.13407270898638599, 0.2304677661479812, 0.17883590496221216, 0.24379128398259683, 0.07044953078373659, 0.15084395578786808, 0.0018064390145698373, -0.053834839624219706, 0.04322134970915409, -0.03646301069505969, 0.07235095446587217, 0.24081521487927862, 0.10405058750398077, 0.1388449596207855, -0.40391444926131137, -0.1491583533756131, 0.06572500334064267, 0.11146608339527583, 0.042567395570697455, -0.005030515887631978, -0.3302047643858027, 0.08732575862145774, -0.17606451331515444, -0.15595103384290196, -0.025063171108462373, -0.04429696902884551, 0.05063191863199772, -0.24511068065149463, 0.0016905803290404836, -0.010907135270678495, 0.13105616448637175, -0.010622421222529849, -0.17255485143360436, -0.031097146083733866, 0.12221505106260468, 0.09885538586092238, 0.04877716543067399, 0.1560229004541298, -0.12491684466391345, -0.11010812412073114, 0.42233800143003464, -0.04199665645137429, -0.1219496727084779, 0.19502419038979832, -0.18267816745162924, -0.09084874337149441, 0.25863714325146714, 0.20324033452910656, 0.08677939234339462, -0.16223816687718737, 0.05056421757777868, -0.014157251987074102, 0.11600060077688219, 0.14251919324528806, -0.002240023675507733, 0.2536988868924542, 0.1533625833975265, 0.12594961703099233, 0.09805134982607157, -0.20493431060042763, 0.0004580152382579993, -0.27216501975888197, -0.11833242209371636, -0.14035598126035753, 0.05117090417034164, -0.04793651078810454, -0.16043571980518043, 0.4213257336000703, 0.08108302052798015, 0.16666826496033796, 0.01836674505659398, 0.2984415750798522, 0.01132395267810278, 0.08866276573009636, 0.05911519170182814, 0.2738492409152226, 0.13376647039049017, 0.08387560012978407, -0.19843505138331757, 0.10184452177158423, 0.013490573298756262]
|
706.3797
|
On solutions of the standard-model Lagrangian with a Majorana mass term
|
It is demonstrated that the standard-model Lagrangian with a Majorana mass
term for the neutrino admits no non-trivial solution. Because the standard
model is generally believed to describe the gauge interactions of neutrinos
correctly, the Majorana mass term must vanish and thus cannot enable
neutrino-less double beta decay. More generally, neutrinos with standard-model
gauge interactions cannot be Majorana fields. Historical reasons why this
conclusion has not been drawn earlier are analyzed.
|
hep-ph
|
it is demonstrated that the standardmodel lagrangian with a majorana mass term for the neutrino admits no nontrivial solution because the standard model is generally believed to describe the gauge interactions of neutrinos correctly the majorana mass term must vanish and thus cannot enable neutrinoless double beta decay more generally neutrinos with standardmodel gauge interactions cannot be majorana fields historical reasons why this conclusion has not been drawn earlier are analyzed
|
[['it', 'is', 'demonstrated', 'that', 'the', 'standardmodel', 'lagrangian', 'with', 'a', 'majorana', 'mass', 'term', 'for', 'the', 'neutrino', 'admits', 'no', 'nontrivial', 'solution', 'because', 'the', 'standard', 'model', 'is', 'generally', 'believed', 'to', 'describe', 'the', 'gauge', 'interactions', 'of', 'neutrinos', 'correctly', 'the', 'majorana', 'mass', 'term', 'must', 'vanish', 'and', 'thus', 'can', 'not', 'enable', 'neutrinoless', 'double', 'beta', 'decay', 'more', 'generally', 'neutrinos', 'with', 'standardmodel', 'gauge', 'interactions', 'can', 'not', 'be', 'majorana', 'fields', 'historical', 'reasons', 'why', 'this', 'conclusion', 'has', 'not', 'been', 'drawn', 'earlier', 'are', 'analyzed']]
|
[-0.12780873966164097, 0.3056301573316937, -0.08274711600396374, 0.21937816192823373, -0.14337594471616696, -0.22530929381282974, -0.013586573570660532, 0.34531286358833313, -0.17904324640762315, -0.28834519887419596, 0.009651959111454757, -0.27971645896259234, -0.11380258298874514, 0.15007570371022194, -0.0017921277895978052, -0.0028038166514406464, 0.05797932535563022, 0.080272090914723, -0.0658109175242254, -0.28983022032739364, 0.26954650915266104, 0.07870226874245867, 0.23469432986864489, 0.09148774240548684, 0.02781816698253563, -0.06291895421630103, -0.025970924604199315, -0.08486750668986406, -0.05511886817580552, -0.022998291216088994, 0.22117092462945476, 0.06758626006632941, 0.14093593224781018, -0.4222412650307564, -0.21256721538989104, 0.21402258360886003, 0.22446770151145756, 0.0984558643620104, -0.09335148589440768, -0.3129738530093064, 0.08129402176693898, -0.21003731573319495, -0.15003371726377063, -0.09454064155380203, -0.018692460825536415, -0.10549276186893247, -0.2951517553508843, 0.07449869043512704, 0.006012282635672146, -0.05209081725868052, 0.026284818352544554, -0.14852349702523995, -0.0315471105468906, 0.06938521213804001, 0.21415082925822176, 0.021264453412173954, 0.09876204824572658, -0.11845373807232572, -0.10436823721719932, 0.43960995045059986, -0.0503711769491281, -0.23681224698889747, 0.16482777360265385, -0.15328195921387777, -0.11520826158892006, 0.15829962928307384, 0.045970345332210706, 0.035106077896110546, -0.24959859497564502, 0.16960363388013683, -0.08239811711325884, 0.19591818774782427, -0.004313223047998466, 0.03920142420038122, 0.3259510703014899, 0.1369211133569479, 0.06813874873906782, -0.0764561626527535, -0.03702195959599459, -0.0763458444653972, -0.3564661245486916, -0.14045479596426633, -0.14219264472732704, 0.08633544134858785, -0.012712482962404913, -0.1728881417697117, 0.3728104679468917, 0.13680864200761464, 0.10351678844515795, 0.03228747819180358, 0.2478359820933579, 0.12609678473042912, 0.15987463481724262, 0.011257325669061648, 0.3471467232025445, 0.15989304049106393, 0.07335864559887614, -0.21660673405260664, 0.04473999733972835, 0.08994839878191482]
|
706.3798
|
Earthshine observation of vegetation and implication for life detection
on other planets - A review of 2001 - 2006 works
|
The detection of exolife is one of the goals of very ambitious future space
missions that aim to take direct images of Earth-like planets. While
associations of simple molecules present in the planet's atmosphere ($O_2$,
$O_3$, $CO_2$ etc.) have been identified as possible global biomarkers, we
review here the detectability of a signature of life from the planet's surface,
i.e. the green vegetation. The vegetation reflectance has indeed a specific
spectrum, with a sharp edge around 700 nm, known as the "Vegetation Red Edge"
(VRE). Moreover vegetation covers a large surface of emerged lands, from
tropical evergreen forest to shrub tundra. Thus considering it as a potential
global biomarker is relevant. Earthshine allows to observe the Earth as a
distant planet, i.e. without spatial resolution. Since 2001, Earthshine
observations have been used by several authors to test and quantify the
detectability of the VRE in the Earth spectrum. The egetation spectral
signature is detected as a small 'positive shift' of a few percents above the
continuum, starting at 700 nm. This signature appears in most spectra, and its
strength is correlated with the Earth's phase (visible land versus visible
ocean). The observations show that detecting the VRE on Earth requires a
photometric relative accuracy of 1% or better. Detecting something equivalent
on an Earth-like planet will therefore remain challenging, moreover considering
the possibility of mineral artifacts and the question of 'red edge'
universality in the Universe.
|
astro-ph
|
the detection of exolife is one of the goals of very ambitious future space missions that aim to take direct images of earthlike planets while associations of simple molecules present in the planets atmosphere o_2 o_3 co_2 etc have been identified as possible global biomarkers we review here the detectability of a signature of life from the planets surface ie the green vegetation the vegetation reflectance has indeed a specific spectrum with a sharp edge around 700 nm known as the vegetation red edge vre moreover vegetation covers a large surface of emerged lands from tropical evergreen forest to shrub tundra thus considering it as a potential global biomarker is relevant earthshine allows to observe the earth as a distant planet ie without spatial resolution since 2001 earthshine observations have been used by several authors to test and quantify the detectability of the vre in the earth spectrum the egetation spectral signature is detected as a small positive shift of a few percents above the continuum starting at 700 nm this signature appears in most spectra and its strength is correlated with the earths phase visible land versus visible ocean the observations show that detecting the vre on earth requires a photometric relative accuracy of 1 or better detecting something equivalent on an earthlike planet will therefore remain challenging moreover considering the possibility of mineral artifacts and the question of red edge universality in the universe
|
[['the', 'detection', 'of', 'exolife', 'is', 'one', 'of', 'the', 'goals', 'of', 'very', 'ambitious', 'future', 'space', 'missions', 'that', 'aim', 'to', 'take', 'direct', 'images', 'of', 'earthlike', 'planets', 'while', 'associations', 'of', 'simple', 'molecules', 'present', 'in', 'the', 'planets', 'atmosphere', 'o_2', 'o_3', 'co_2', 'etc', 'have', 'been', 'identified', 'as', 'possible', 'global', 'biomarkers', 'we', 'review', 'here', 'the', 'detectability', 'of', 'a', 'signature', 'of', 'life', 'from', 'the', 'planets', 'surface', 'ie', 'the', 'green', 'vegetation', 'the', 'vegetation', 'reflectance', 'has', 'indeed', 'a', 'specific', 'spectrum', 'with', 'a', 'sharp', 'edge', 'around', '700', 'nm', 'known', 'as', 'the', 'vegetation', 'red', 'edge', 'vre', 'moreover', 'vegetation', 'covers', 'a', 'large', 'surface', 'of', 'emerged', 'lands', 'from', 'tropical', 'evergreen', 'forest', 'to', 'shrub', 'tundra', 'thus', 'considering', 'it', 'as', 'a', 'potential', 'global', 'biomarker', 'is', 'relevant', 'earthshine', 'allows', 'to', 'observe', 'the', 'earth', 'as', 'a', 'distant', 'planet', 'ie', 'without', 'spatial', 'resolution', 'since', '2001', 'earthshine', 'observations', 'have', 'been', 'used', 'by', 'several', 'authors', 'to', 'test', 'and', 'quantify', 'the', 'detectability', 'of', 'the', 'vre', 'in', 'the', 'earth', 'spectrum', 'the', 'egetation', 'spectral', 'signature', 'is', 'detected', 'as', 'a', 'small', 'positive', 'shift', 'of', 'a', 'few', 'percents', 'above', 'the', 'continuum', 'starting', 'at', '700', 'nm', 'this', 'signature', 'appears', 'in', 'most', 'spectra', 'and', 'its', 'strength', 'is', 'correlated', 'with', 'the', 'earths', 'phase', 'visible', 'land', 'versus', 'visible', 'ocean', 'the', 'observations', 'show', 'that', 'detecting', 'the', 'vre', 'on', 'earth', 'requires', 'a', 'photometric', 'relative', 'accuracy', 'of', '1', 'or', 'better', 'detecting', 'something', 'equivalent', 'on', 'an', 'earthlike', 'planet', 'will', 'therefore', 'remain', 'challenging', 'moreover', 'considering', 'the', 'possibility', 'of', 'mineral', 'artifacts', 'and', 'the', 'question', 'of', 'red', 'edge', 'universality', 'in', 'the', 'universe']]
|
[-0.08016406707886725, 0.14886471339101418, -0.062017626145438466, 0.0813809586124138, -0.06264623658473979, -0.0786732951139516, 0.06923951469064552, 0.3583446643235994, -0.20568187491264828, -0.33828143164753277, 0.1321661716614394, -0.3015093099405776, -0.14472190507172428, 0.16815441060672573, -0.08511147871811656, 0.03279621450408818, 0.08772355069584668, 0.011967548128094231, 0.006463690558597049, -0.2025250098856285, 0.2528553069628617, 0.10062787285906838, 0.1701241436622482, 0.07028668192710648, 0.039267460988002253, -0.07175439954834416, -0.052232333476793895, -0.041416388070532814, -0.11986641617351895, 0.08007075126540471, 0.2822225813565657, 0.15461616266984493, 0.24015390676783122, -0.39316244510973386, -0.261569440821582, 0.11624802932727765, 0.11456307467132648, 0.04637728854320309, -0.03182163876320354, -0.2800669335804761, 0.06109153164347554, -0.1272322241692467, -0.15780581418583367, 0.006029618054100788, 0.05907418540916703, -0.038975501784490066, -0.21232002383306067, 0.052046520609230276, 0.04285224191104483, 0.15529732289030515, -0.09491048461554492, -0.14075495324275913, -0.10354570397274926, 0.14631346566701664, 0.02603356252483865, 0.00585037986351613, 0.16330785783245524, -0.12742252075658278, -0.0427363531247891, 0.4271494109659119, -0.13574447555645824, -0.04312250468523261, 0.22998135035183837, -0.19069843871241554, -0.11257575528022457, 0.16872230828937856, 0.14901307350980672, 0.13098652897541352, -0.13299024347612198, 0.027092198959422952, -0.041626062473044435, 0.16942301914789418, 0.12284234557994345, 0.04621117029418337, 0.32331388997746274, 0.18513459340530508, 0.11736436138583466, 0.09157396782031085, -0.23443017729032944, 0.002015317465981191, -0.19112193799042637, -0.15938930034716714, -0.18164267099878573, 0.029669528254902267, -0.058869953023237574, -0.16143156145005785, 0.40796234306701, 0.15040854526828587, 0.18571469539657554, 0.008167305665011419, 0.3029575432135545, 0.027899157090924998, 0.08886206792469355, 0.006991719062182497, 0.2798388652146814, 0.0836221864120044, 0.10646351519328086, -0.18631586662711616, 0.11137891578824913, -0.019272725325711865]
|
706.3799
|
Mott insulators and correlated superfluids in ultracold Bose-Fermi
mixtures
|
We study the effects of interaction between bosons and fermions in a
Bose-Fermi mixtures loaded in an optical lattice. We concentrate on the
destruction of a bosonic Mott phase driven by repulsive interaction between
bosons and fermions. Once the Mott phase is destroyed, the system enters a
superfluid phase where the movements of bosons and fermions are correlated. We
show that this phase has simultaneously correlations reminiscent of a
conventional superfluid and of a pseudo-spin density wave order.
|
cond-mat.stat-mech
|
we study the effects of interaction between bosons and fermions in a bosefermi mixtures loaded in an optical lattice we concentrate on the destruction of a bosonic mott phase driven by repulsive interaction between bosons and fermions once the mott phase is destroyed the system enters a superfluid phase where the movements of bosons and fermions are correlated we show that this phase has simultaneously correlations reminiscent of a conventional superfluid and of a pseudospin density wave order
|
[['we', 'study', 'the', 'effects', 'of', 'interaction', 'between', 'bosons', 'and', 'fermions', 'in', 'a', 'bosefermi', 'mixtures', 'loaded', 'in', 'an', 'optical', 'lattice', 'we', 'concentrate', 'on', 'the', 'destruction', 'of', 'a', 'bosonic', 'mott', 'phase', 'driven', 'by', 'repulsive', 'interaction', 'between', 'bosons', 'and', 'fermions', 'once', 'the', 'mott', 'phase', 'is', 'destroyed', 'the', 'system', 'enters', 'a', 'superfluid', 'phase', 'where', 'the', 'movements', 'of', 'bosons', 'and', 'fermions', 'are', 'correlated', 'we', 'show', 'that', 'this', 'phase', 'has', 'simultaneously', 'correlations', 'reminiscent', 'of', 'a', 'conventional', 'superfluid', 'and', 'of', 'a', 'pseudospin', 'density', 'wave', 'order']]
|
[-0.21965945112065244, 0.36542439823302303, -0.08495712221170273, 0.04871533021856195, 0.029801556130107015, -0.17486905508961242, 0.09730728684912603, 0.35083310692929304, -0.21021827044060978, -0.17658569385560277, 0.0032397488651510617, -0.34907934255898, -0.1324721410846672, 0.04648058707467639, 0.08314145660887544, 0.008081401829631666, -0.021546872332692146, -0.02238864658507877, -0.1423813423458248, -0.23124026741163853, 0.3401374253324973, -0.05298668452395269, 0.25328447072742843, 0.08599048485764517, 0.05796841394681579, 0.0459782188394083, 0.09972938822391324, -0.037273674415281184, -0.10307582806042494, 0.007832477048325997, 0.17161768475601163, -0.11350919493139745, 0.19665708714045393, -0.4462743502540084, -0.21281404483120125, 0.11831928752004527, 0.2035712067885563, 0.14970603063463783, -0.07609453978978145, -0.3708745437220503, -0.11353295939998367, -0.23567063792441517, -0.12916918837716088, -0.08706176158888504, -0.0032516991337522482, 0.0016301525488065986, -0.28689446043258965, 0.14008447509378386, 0.054586364493633695, 0.08746840335571995, -0.05726594803556322, -0.035899337027401015, -0.054882457462857324, 0.05326574215163978, 0.022081081322633114, 0.046077392843122095, 0.08655250769777176, -0.24059147372071704, -0.07092664741839354, 0.44565028374871385, -0.09682624997684541, -0.14493395314098168, 0.2387803571525579, -0.15697025176352605, -0.047562444639296673, 0.16763573092145798, 0.16359599640306371, 0.016380603067003764, -0.10951934196651937, 0.06247462519408705, -0.06590427396925709, 0.20550414187332186, -0.02636806879980633, 0.08808252384336904, 0.3320978098334028, 0.21799911860710916, -0.007535764135611363, 0.20413663365746823, -0.11718655248375562, -0.1292633017202696, -0.2490224548830436, -0.1854346929392658, -0.2522480810204378, -0.02550430174932654, -0.013944946873473385, -0.1385689535870766, 0.39409562868949694, 0.15906416220315853, 0.20628838919294187, -0.05458345843287997, 0.24366099247410417, 0.12683558016299054, 0.028680070804861877, 0.019555555984903224, 0.28851384865955854, 0.13378800738614816, 0.07371807712031743, -0.2886885860755753, -0.03740226101870529, 0.11361974478066446]
|
706.38
|
Finding gaps in a spectrum
|
We propose a method for finding gaps in the spectrum of a differential
operator. When applied to the one-dimensional Hamiltonian of the quartic
oscillator, a simple algebraic algorithm is proposed that, step by step,
separates with a remarkable precision all the energies even for a double-well
configuration in a tunnelling regime. Our strategy may be refined and
generalised to a large class of 1d-problems.
|
quant-ph math-ph math.MP
|
we propose a method for finding gaps in the spectrum of a differential operator when applied to the onedimensional hamiltonian of the quartic oscillator a simple algebraic algorithm is proposed that step by step separates with a remarkable precision all the energies even for a doublewell configuration in a tunnelling regime our strategy may be refined and generalised to a large class of 1dproblems
|
[['we', 'propose', 'a', 'method', 'for', 'finding', 'gaps', 'in', 'the', 'spectrum', 'of', 'a', 'differential', 'operator', 'when', 'applied', 'to', 'the', 'onedimensional', 'hamiltonian', 'of', 'the', 'quartic', 'oscillator', 'a', 'simple', 'algebraic', 'algorithm', 'is', 'proposed', 'that', 'step', 'by', 'step', 'separates', 'with', 'a', 'remarkable', 'precision', 'all', 'the', 'energies', 'even', 'for', 'a', 'doublewell', 'configuration', 'in', 'a', 'tunnelling', 'regime', 'our', 'strategy', 'may', 'be', 'refined', 'and', 'generalised', 'to', 'a', 'large', 'class', 'of', '1dproblems']]
|
[-0.12510328661532155, 0.0859385042466105, -0.10714873131216755, 0.04423007985673076, -0.04526992558339049, -0.18966917404609304, 0.058875765891686554, 0.35246731840547113, -0.26484293390124564, -0.2813348148668569, 0.04737182903207011, -0.22632289364460914, -0.16898242457370674, 0.22602764126800357, -0.03877341107184452, 0.07146393770854624, 0.11018897655109565, 0.023707187239317192, -0.05609149405998843, -0.21663968608943776, 0.3305661958302297, 0.03301866185511389, 0.2250979310788569, 0.03266223639781986, 0.1274388500577992, 0.011192552501424438, 0.07517017554196101, 0.06477592879581073, -0.09756487875953705, 0.13155795656521582, 0.25337553596390144, 0.018164799888692205, 0.29030727105776943, -0.3607903320105776, -0.19287655967479897, 0.12508159293423568, 0.14182754252697266, 0.19895830491764677, -0.0631959948186127, -0.26592091618785785, 0.060367939505903495, -0.1701904722001581, -0.181560901961925, -0.10462924067877115, 0.014320256454604012, -0.0114078622991367, -0.32747718328166575, 0.037413529630395626, 0.07066672046240123, 0.012709812083769412, -0.02595149724936438, -0.06145302237876292, 0.014847660267222968, 0.05776619769139437, -0.041907095620112994, 0.037093720642761105, 0.06739014377521854, -0.10409907188029989, -0.11300098626977867, 0.3862772508864365, -0.09747991162086171, -0.21118198555435927, 0.12169895618267003, -0.1268297076920077, -0.14013332946019041, 0.1462612834995583, 0.12943259183879172, 0.1435093518036107, -0.14192814458025774, 0.11180961132696313, -0.024270811694718543, 0.1296949666247533, 0.016314634373263706, -0.03321231019845794, 0.17229833298673233, 0.1844196107778107, 0.11901982711066329, 0.15241995928180774, -0.08459527308623942, -0.10821151116212445, -0.3026728671605861, -0.1649568594386062, -0.20560530842363184, 0.03673040331710899, -0.0808014536111538, -0.17798897638798705, 0.4669597414987428, 0.10283750132842374, 0.234828018775535, 0.0706054995072976, 0.2639239862975147, 0.18797375042442352, 0.07685279356877482, 0.024704356951313833, 0.22393438231850427, 0.10800144484724909, 0.08432981579209722, -0.23032862439544666, -0.015892179852854165, 0.10295805376436976]
|
706.3801
|
Inverted Mass Hierarchy from Scaling in the Neutrino Mass Matrix: Low
and High Energy Phenomenology
|
Best-fit values of recent global analyzes of neutrino data imply large solar
neutrino mixing, vanishing U_{e3} and a non-maximal atmospheric neutrino mixing
angle theta_{23}. We show that these values emerge naturally by the hypothesis
of "scaling" in the Majorana neutrino mass matrix, which states that the ratios
of its elements are equal. It also predicts an inverted hierarchy for the
neutrino masses. We point out several advantages and distinguishing tests of
the scaling hypothesis compared to the L_e - L_mu - L_tau flavor symmetry,
which is usually assumed to provide an understanding of the inverted hierarchy.
Scenarios which have initially vanishing U_{e3} and maximal atmospheric
neutrino mixing are shown to be unlikely to lead to non-maximal theta_{23}
while keeping simultaneously U_{e3} zero. We find a peculiar ratio of the
branching ratios mu -> e gamma and tau -> e gamma in supersymmetric seesaw
frameworks, which only depends on atmospheric neutrino mixing and results in
tau -> e gamma being unobservable. The consequences of the scaling hypothesis
for high energy astrophysical neutrinos at neutrino telescopes are also
investigated. Then we analyze a seesaw model based on the discrete symmetry D_4
times Z_2 leading to scaling in the low energy mass matrix and being capable of
generating the baryon asymmetry of the Universe via leptogenesis. The relevant
CP phase is identical to the low energy Majorana phase and successful
leptogenesis requires an effective mass for neutrinoless double beta decay
larger than 0.045 eV.
|
hep-ph
|
bestfit values of recent global analyzes of neutrino data imply large solar neutrino mixing vanishing u_e3 and a nonmaximal atmospheric neutrino mixing angle theta_23 we show that these values emerge naturally by the hypothesis of scaling in the majorana neutrino mass matrix which states that the ratios of its elements are equal it also predicts an inverted hierarchy for the neutrino masses we point out several advantages and distinguishing tests of the scaling hypothesis compared to the l_e l_mu l_tau flavor symmetry which is usually assumed to provide an understanding of the inverted hierarchy scenarios which have initially vanishing u_e3 and maximal atmospheric neutrino mixing are shown to be unlikely to lead to nonmaximal theta_23 while keeping simultaneously u_e3 zero we find a peculiar ratio of the branching ratios mu e gamma and tau e gamma in supersymmetric seesaw frameworks which only depends on atmospheric neutrino mixing and results in tau e gamma being unobservable the consequences of the scaling hypothesis for high energy astrophysical neutrinos at neutrino telescopes are also investigated then we analyze a seesaw model based on the discrete symmetry d_4 times z_2 leading to scaling in the low energy mass matrix and being capable of generating the baryon asymmetry of the universe via leptogenesis the relevant cp phase is identical to the low energy majorana phase and successful leptogenesis requires an effective mass for neutrinoless double beta decay larger than 0045 ev
|
[['bestfit', 'values', 'of', 'recent', 'global', 'analyzes', 'of', 'neutrino', 'data', 'imply', 'large', 'solar', 'neutrino', 'mixing', 'vanishing', 'u_e3', 'and', 'a', 'nonmaximal', 'atmospheric', 'neutrino', 'mixing', 'angle', 'theta_23', 'we', 'show', 'that', 'these', 'values', 'emerge', 'naturally', 'by', 'the', 'hypothesis', 'of', 'scaling', 'in', 'the', 'majorana', 'neutrino', 'mass', 'matrix', 'which', 'states', 'that', 'the', 'ratios', 'of', 'its', 'elements', 'are', 'equal', 'it', 'also', 'predicts', 'an', 'inverted', 'hierarchy', 'for', 'the', 'neutrino', 'masses', 'we', 'point', 'out', 'several', 'advantages', 'and', 'distinguishing', 'tests', 'of', 'the', 'scaling', 'hypothesis', 'compared', 'to', 'the', 'l_e', 'l_mu', 'l_tau', 'flavor', 'symmetry', 'which', 'is', 'usually', 'assumed', 'to', 'provide', 'an', 'understanding', 'of', 'the', 'inverted', 'hierarchy', 'scenarios', 'which', 'have', 'initially', 'vanishing', 'u_e3', 'and', 'maximal', 'atmospheric', 'neutrino', 'mixing', 'are', 'shown', 'to', 'be', 'unlikely', 'to', 'lead', 'to', 'nonmaximal', 'theta_23', 'while', 'keeping', 'simultaneously', 'u_e3', 'zero', 'we', 'find', 'a', 'peculiar', 'ratio', 'of', 'the', 'branching', 'ratios', 'mu', 'e', 'gamma', 'and', 'tau', 'e', 'gamma', 'in', 'supersymmetric', 'seesaw', 'frameworks', 'which', 'only', 'depends', 'on', 'atmospheric', 'neutrino', 'mixing', 'and', 'results', 'in', 'tau', 'e', 'gamma', 'being', 'unobservable', 'the', 'consequences', 'of', 'the', 'scaling', 'hypothesis', 'for', 'high', 'energy', 'astrophysical', 'neutrinos', 'at', 'neutrino', 'telescopes', 'are', 'also', 'investigated', 'then', 'we', 'analyze', 'a', 'seesaw', 'model', 'based', 'on', 'the', 'discrete', 'symmetry', 'd_4', 'times', 'z_2', 'leading', 'to', 'scaling', 'in', 'the', 'low', 'energy', 'mass', 'matrix', 'and', 'being', 'capable', 'of', 'generating', 'the', 'baryon', 'asymmetry', 'of', 'the', 'universe', 'via', 'leptogenesis', 'the', 'relevant', 'cp', 'phase', 'is', 'identical', 'to', 'the', 'low', 'energy', 'majorana', 'phase', 'and', 'successful', 'leptogenesis', 'requires', 'an', 'effective', 'mass', 'for', 'neutrinoless', 'double', 'beta', 'decay', 'larger', 'than', '0045', 'ev']]
|
[-0.12013421508841714, 0.3108490447671487, 0.0076641485300230775, 0.18996463837674266, -0.052692023096053656, -0.18563207370323775, 0.0806369820443945, 0.30008681963485967, -0.2340225200721268, -0.30888261842853154, 0.059985634154577, -0.26472003518019693, -0.03730174201793211, 0.16595787314749402, 0.041825219436343444, 0.04978549581154751, 0.04294718588185418, -0.01609286931982181, -0.12616234979694868, -0.19037348782975164, 0.28772305711409296, 0.0966875183098097, 0.2474237525790251, 0.05344138564778713, 0.07775357611017633, -0.11254895450567069, -0.037593128919794806, -0.10658574551817472, -0.1143330462552312, -0.012598049976138824, 0.17850720260974998, 0.1005645735264298, 0.07120555355923913, -0.3558724401676554, -0.14419696259438614, 0.2219729907376597, 0.1622530288177432, 0.020752748609638882, -0.06543176532012679, -0.27901197560289404, 0.08492762065626744, -0.20017327391049208, -0.1544238118439029, -0.04399913539952141, 0.00028945414459932657, -0.09358145807247206, -0.3593353211792912, 0.1063922365933264, -0.0346626149257645, -0.006150802287620382, 0.007749249789196903, -0.21503153641439848, -0.044568482727222775, 0.05549893709357386, 0.18320768470905516, -0.06058187219728637, 0.10416516729816006, -0.1255728917421331, -0.07351802737931563, 0.4264000185348007, -0.06172654404551811, -0.15374800103511346, 0.11781085594517762, -0.18711776494924612, -0.15629328532199674, 0.14556923679320805, 0.11319626365212124, 0.03815075093895094, -0.1343756573712769, 0.1360375856772515, -0.0929135414837096, 0.14929504958102263, 0.0577345969830245, 0.020399341892482617, 0.28941191547802825, 0.2011564593225465, 0.12713046849930218, -0.06500130100225067, -0.11852778686024051, -0.035907749766365515, -0.3511186403250006, -0.11968308109671698, -0.11145890444483592, 0.10234159853119972, -0.12183973158398195, -0.11670938100687019, 0.4316880861218324, 0.12372581210674055, 0.22536230741919144, 0.05987057499725656, 0.2594244022798425, 0.11629446581897909, 0.0705717636856361, 0.017950141462556607, 0.2951028359564558, 0.17165598859004202, 0.0924547933568878, -0.3056647184618622, 0.03426983425545632, 0.07695492168679297]
|
706.3802
|
Cosmic Microwave Background Quadrupole and Ellipsoidal Universe
|
Recent Wilkinson Microwave Anisotropy Probe (WMAP) data confirm the Cosmic
Microwave Background (CMB) quadrupole anomaly. We further elaborate our
previous proposal that the quadrupole power can be naturally suppressed in
axis-symmetric universes. In particular, we discuss in greater detail the CMB
quadrupole anisotropy and considerably improve our analysis. As a result, we
obtain tighter constraints on the direction of the axis of symmetry as well as
on the eccentricity at decoupling. We find that the quadrupole amplitude can be
brought in accordance with observations with an eccentricity at decoupling of
about 0.35 10^{-2}. Moreover, our determination of the direction of the
symmetry axis is in reasonable agreement with recent statistical analyses of
cleaned CMB temperature fluctuation maps obtained by means of improved internal
linear combination methods as Galactic foreground subtraction technique.
|
astro-ph
|
recent wilkinson microwave anisotropy probe wmap data confirm the cosmic microwave background cmb quadrupole anomaly we further elaborate our previous proposal that the quadrupole power can be naturally suppressed in axissymmetric universes in particular we discuss in greater detail the cmb quadrupole anisotropy and considerably improve our analysis as a result we obtain tighter constraints on the direction of the axis of symmetry as well as on the eccentricity at decoupling we find that the quadrupole amplitude can be brought in accordance with observations with an eccentricity at decoupling of about 035 102 moreover our determination of the direction of the symmetry axis is in reasonable agreement with recent statistical analyses of cleaned cmb temperature fluctuation maps obtained by means of improved internal linear combination methods as galactic foreground subtraction technique
|
[['recent', 'wilkinson', 'microwave', 'anisotropy', 'probe', 'wmap', 'data', 'confirm', 'the', 'cosmic', 'microwave', 'background', 'cmb', 'quadrupole', 'anomaly', 'we', 'further', 'elaborate', 'our', 'previous', 'proposal', 'that', 'the', 'quadrupole', 'power', 'can', 'be', 'naturally', 'suppressed', 'in', 'axissymmetric', 'universes', 'in', 'particular', 'we', 'discuss', 'in', 'greater', 'detail', 'the', 'cmb', 'quadrupole', 'anisotropy', 'and', 'considerably', 'improve', 'our', 'analysis', 'as', 'a', 'result', 'we', 'obtain', 'tighter', 'constraints', 'on', 'the', 'direction', 'of', 'the', 'axis', 'of', 'symmetry', 'as', 'well', 'as', 'on', 'the', 'eccentricity', 'at', 'decoupling', 'we', 'find', 'that', 'the', 'quadrupole', 'amplitude', 'can', 'be', 'brought', 'in', 'accordance', 'with', 'observations', 'with', 'an', 'eccentricity', 'at', 'decoupling', 'of', 'about', '035', '102', 'moreover', 'our', 'determination', 'of', 'the', 'direction', 'of', 'the', 'symmetry', 'axis', 'is', 'in', 'reasonable', 'agreement', 'with', 'recent', 'statistical', 'analyses', 'of', 'cleaned', 'cmb', 'temperature', 'fluctuation', 'maps', 'obtained', 'by', 'means', 'of', 'improved', 'internal', 'linear', 'combination', 'methods', 'as', 'galactic', 'foreground', 'subtraction', 'technique']]
|
[-0.10881455805315281, 0.12146741860710131, -0.06742576800441398, 0.045084448365089375, -0.0950694911125052, -0.044712689143555764, -0.01123317728842829, 0.3593984948424978, -0.22114670458640762, -0.33764275841642427, 0.05288507918318919, -0.30560081960448554, -0.051340837259101504, 0.2508437980449837, -0.004158045924162023, 0.012330817229306425, 0.030720272990128465, -0.031687054002856596, -0.07881217138159252, -0.23888099707311147, 0.264126552979796, 0.1834969371948249, 0.2912220807447461, 0.03157052905689783, 0.05392450848256614, -0.006722284721313684, -0.06377935787762394, 0.03508939656592507, -0.15808758735427908, 0.06624869906471488, 0.2028644163239719, 0.10044452940995399, 0.1130536584723883, -0.4016524939762272, -0.23015527646519415, 0.07789267159337249, 0.16895339320918532, 0.17066666792424126, -0.048633685159560944, -0.2876278111384115, 0.03187764674169189, -0.16315542033496705, -0.17559537631352895, -0.11773145747840234, -0.044409154868108855, -0.00821669692642816, -0.26762217216421175, 0.14971599355340004, 0.0804018981066952, 0.07673332287142594, -0.07304633790200563, -0.1461618493279115, -0.045431072497562654, 0.016470094614854183, 0.10495739032955172, 0.12692585996288153, 0.16026150904602962, -0.045809656712191026, -0.08918867631502564, 0.3422439199701691, -0.13602705567698387, -0.10802055975663981, 0.08003212599161984, -0.21327684796193103, -0.212613976949769, 0.061057852296770077, 0.14023131442448225, 0.03548744299452581, -0.10678984228350961, 0.09256555417948936, 0.037291505992526314, 0.21022542523405024, 0.12301658730517263, 0.025244870332799735, 0.3000077286180649, 0.10879000505425378, 0.08451211237426819, 0.11981213539092311, -0.13003515672535843, 0.006473487559421599, -0.27180384913502076, -0.012945122565391636, -0.17589290561296672, 0.04184908714884793, -0.19121684148836124, -0.07005262182925949, 0.36985807880787674, 0.18069565006112323, 0.25178690081220545, 0.006547375916297199, 0.3785883239719249, 0.07455945082403406, 0.03521206171628628, 0.008702755160985216, 0.36823363575856877, 0.16417727390666784, 0.10528082260861993, -0.26001809822539407, 0.01894728849883696, -0.027749570548705017]
|
706.3803
|
Magnetic confinement of the superconducting condensate in
superconductor/ferromagnet hybrid composites
|
The influence of an inhomogeneous magnetic field on the magnetoresistance of
thin Al films, used in different superconductor/ferromagnet hybrids, has been
investigated. Two contrasting magnetic textures with out-of-plane magnetization
are explored, namely (i) a plain film in a multidomain state and (ii) an array
of micro-sized dots. The stray fields of the ferromagnetic structures confine
the superconducting condensate and, accordingly, modify the condition for the
nucleation of superconductivity. By switching between different magnetic states
of the ferromagnet, this confinement can be tuned at will, hereby reversibly
changing the dependence of the critical temperature Tc on an external magnetic
field H. In particular, the continuous evolution from a conventional linear
Tc(H) dependence with a single maximum to a reentrant superconducting phase
boundary with multiple Tc peaks has been demonstrated.
|
cond-mat.supr-con
|
the influence of an inhomogeneous magnetic field on the magnetoresistance of thin al films used in different superconductorferromagnet hybrids has been investigated two contrasting magnetic textures with outofplane magnetization are explored namely i a plain film in a multidomain state and ii an array of microsized dots the stray fields of the ferromagnetic structures confine the superconducting condensate and accordingly modify the condition for the nucleation of superconductivity by switching between different magnetic states of the ferromagnet this confinement can be tuned at will hereby reversibly changing the dependence of the critical temperature tc on an external magnetic field h in particular the continuous evolution from a conventional linear tch dependence with a single maximum to a reentrant superconducting phase boundary with multiple tc peaks has been demonstrated
|
[['the', 'influence', 'of', 'an', 'inhomogeneous', 'magnetic', 'field', 'on', 'the', 'magnetoresistance', 'of', 'thin', 'al', 'films', 'used', 'in', 'different', 'superconductorferromagnet', 'hybrids', 'has', 'been', 'investigated', 'two', 'contrasting', 'magnetic', 'textures', 'with', 'outofplane', 'magnetization', 'are', 'explored', 'namely', 'i', 'a', 'plain', 'film', 'in', 'a', 'multidomain', 'state', 'and', 'ii', 'an', 'array', 'of', 'microsized', 'dots', 'the', 'stray', 'fields', 'of', 'the', 'ferromagnetic', 'structures', 'confine', 'the', 'superconducting', 'condensate', 'and', 'accordingly', 'modify', 'the', 'condition', 'for', 'the', 'nucleation', 'of', 'superconductivity', 'by', 'switching', 'between', 'different', 'magnetic', 'states', 'of', 'the', 'ferromagnet', 'this', 'confinement', 'can', 'be', 'tuned', 'at', 'will', 'hereby', 'reversibly', 'changing', 'the', 'dependence', 'of', 'the', 'critical', 'temperature', 'tc', 'on', 'an', 'external', 'magnetic', 'field', 'h', 'in', 'particular', 'the', 'continuous', 'evolution', 'from', 'a', 'conventional', 'linear', 'tch', 'dependence', 'with', 'a', 'single', 'maximum', 'to', 'a', 'reentrant', 'superconducting', 'phase', 'boundary', 'with', 'multiple', 'tc', 'peaks', 'has', 'been', 'demonstrated']]
|
[-0.17689854085620027, 0.2550532731933117, -0.04015962999983458, -0.01893032175667031, -0.0636188241551281, -0.14683145139497356, 0.0325939071153698, 0.4275411129274289, -0.2540078281526803, -0.31090801948448643, 0.008326366624714865, -0.2599514856992755, -0.06983347013010643, 0.1739241980467341, 0.04382536185221397, 0.028776494655176066, -0.08438480326640274, -0.017486878990894184, -0.10982234924631484, -0.20314773243262607, 0.3158823868556624, -0.027663343295898812, 0.37008693967800355, 0.08129141370591242, 0.03910485654705553, -0.03773971771261131, 0.16598858007091621, 0.08853262039792753, -0.14254903192340862, -0.00036511986263576546, 0.1995996945497609, -0.10059243649084237, 0.2067038611071439, -0.4874521935125813, -0.22441738462657668, 0.042359987632153207, 0.1509361819980768, 0.13348610610592004, -0.0688862033539408, -0.3031490139910602, 0.05270300483243773, -0.08297922386555001, -0.08855885191385937, -0.05347614533638989, -0.0006325207377813058, 0.021797348905238323, -0.2816866569651211, 0.03452158827531093, 0.07427777693283133, 0.12704179809225025, -0.0741233643675514, -0.1096328972489573, -0.08239852343467646, 0.042965894481312716, 0.03694049047771841, 0.09173050604158561, 0.18013004245221964, -0.14506567294029082, -0.12498146742291283, 0.2698691038531251, -0.06804590275896771, -0.09858077074750327, 0.15156558874150505, -0.16465412308753002, -0.04320761818962637, 0.1494795396029076, 0.13308959153255273, 0.10523215381181217, -0.14231205213036446, 0.0966205884824376, 0.015842423433241493, 0.17636237326951232, 0.07302397802050109, 0.024437468437099596, 0.2784437562186213, 0.2248801117266339, 0.009193505011353409, 0.1924563754537303, -0.12962461135066405, -0.04004102155022338, -0.20842014854906665, -0.16601058286505577, -0.20406473996990826, 0.056408380688480975, -0.08945070427921564, -0.22879577888306812, 0.40634860924546956, 0.13983327883943275, 0.18459700796665857, -0.11096987908058509, 0.23427908138546627, 0.10127057167846942, 0.08173091120079334, 0.031280841380066704, 0.27157645469196723, 0.20960030212336278, 0.17501739294868912, -0.31015024193584395, 0.08257623577446793, -0.04537978691223543]
|
706.3804
|
A Model for the Formation of Large Circumbinary Disks Around Post AGB
Stars
|
We propose that the large, radius of ~1000 AU, circumbinary rotating disks
observed around some post-asymptotic giant branch (post-AGB) binary stars are
formed from slow AGB wind material that is pushed back to the center of the
nebula by wide jets. We perform 2D-axisymmetrical numerical simulations of fast
and wide jets that interact with the previously ejected slow AGB wind. In each
system there are two oppositely launched jets, but we use the symmetry of the
problem and simulate only one jet. A large circularization-flow (vortex) is
formed to the side of the jet which together with the thermal pressure of the
shocked jet material accelerate cold slow-wind gas back to the center from
distances of ~1000-10000 AU. We find for the parameters we use that up to 0.001
Mo is back-flowing to the center. We conjecture that the orbital angular
momentum of the disk material results from the non-axisymmetric structure of
jets launched by an orbiting companion. This conjecture will have to be tested
with 3D numerical codes.
|
astro-ph
|
we propose that the large radius of 1000 au circumbinary rotating disks observed around some postasymptotic giant branch postagb binary stars are formed from slow agb wind material that is pushed back to the center of the nebula by wide jets we perform 2daxisymmetrical numerical simulations of fast and wide jets that interact with the previously ejected slow agb wind in each system there are two oppositely launched jets but we use the symmetry of the problem and simulate only one jet a large circularizationflow vortex is formed to the side of the jet which together with the thermal pressure of the shocked jet material accelerate cold slowwind gas back to the center from distances of 100010000 au we find for the parameters we use that up to 0001 mo is backflowing to the center we conjecture that the orbital angular momentum of the disk material results from the nonaxisymmetric structure of jets launched by an orbiting companion this conjecture will have to be tested with 3d numerical codes
|
[['we', 'propose', 'that', 'the', 'large', 'radius', 'of', '1000', 'au', 'circumbinary', 'rotating', 'disks', 'observed', 'around', 'some', 'postasymptotic', 'giant', 'branch', 'postagb', 'binary', 'stars', 'are', 'formed', 'from', 'slow', 'agb', 'wind', 'material', 'that', 'is', 'pushed', 'back', 'to', 'the', 'center', 'of', 'the', 'nebula', 'by', 'wide', 'jets', 'we', 'perform', '2daxisymmetrical', 'numerical', 'simulations', 'of', 'fast', 'and', 'wide', 'jets', 'that', 'interact', 'with', 'the', 'previously', 'ejected', 'slow', 'agb', 'wind', 'in', 'each', 'system', 'there', 'are', 'two', 'oppositely', 'launched', 'jets', 'but', 'we', 'use', 'the', 'symmetry', 'of', 'the', 'problem', 'and', 'simulate', 'only', 'one', 'jet', 'a', 'large', 'circularizationflow', 'vortex', 'is', 'formed', 'to', 'the', 'side', 'of', 'the', 'jet', 'which', 'together', 'with', 'the', 'thermal', 'pressure', 'of', 'the', 'shocked', 'jet', 'material', 'accelerate', 'cold', 'slowwind', 'gas', 'back', 'to', 'the', 'center', 'from', 'distances', 'of', '100010000', 'au', 'we', 'find', 'for', 'the', 'parameters', 'we', 'use', 'that', 'up', 'to', '0001', 'mo', 'is', 'backflowing', 'to', 'the', 'center', 'we', 'conjecture', 'that', 'the', 'orbital', 'angular', 'momentum', 'of', 'the', 'disk', 'material', 'results', 'from', 'the', 'nonaxisymmetric', 'structure', 'of', 'jets', 'launched', 'by', 'an', 'orbiting', 'companion', 'this', 'conjecture', 'will', 'have', 'to', 'be', 'tested', 'with', '3d', 'numerical', 'codes']]
|
[-0.11593056953836979, 0.14974674562483392, -0.07807017792389913, 0.03586366787848403, -0.10356376846850722, -0.08516035775213453, 0.0019575273004656065, 0.40454636158388174, -0.2531961140339263, -0.3021526346819665, 0.05124981175971491, -0.2707807283686797, -0.004633924877828734, 0.19634273063536442, -0.023497403663454833, -0.008411691169962734, 0.1386342369588817, -0.08462354132465037, -0.06785343812561098, -0.20888064659206185, 0.33077916445511724, 0.08301633265159444, 0.09973592302830984, -0.02145148070618332, 0.08074730559402776, -0.11990419667755103, 0.027949789971180125, -0.03136237792135356, -0.15520973111929623, 0.06332947396252216, 0.17522200970411367, 0.09853393365043456, 0.21883672728687023, -0.44209530671311176, -0.19977810019404144, 0.003107949642431058, 0.18063960425154177, 0.07645762309328859, -0.0856225873290667, -0.2343245490550337, 0.13090333970497825, -0.2491355322881373, -0.20633558638137348, 0.036244721285731134, 0.030071746316755157, 0.031298324290083016, -0.21767332207956658, 0.06626353108444011, 0.054490440275553546, 0.04024400130893009, -0.07136710998490677, -0.08682883698367765, -0.11864117453778218, 0.07707428948711158, 0.10985952688933177, 0.09348563749404501, 0.20743698939405003, -0.10010520393770567, -0.034668507333287225, 0.3882484430235303, -0.04298047640383199, -0.06970237295037347, 0.2693601792823233, -0.24249861171346404, -0.11849935953700524, 0.21480067054780122, 0.21153069494437135, 0.1550877909371239, -0.10180507328474203, -0.030938668936368322, -0.06993894777985703, 0.1511928591748956, 0.08714966630998129, 0.0007284322117795488, 0.3387920126921224, 0.12238090059825939, -0.015670227606970438, 0.1486312132210242, -0.21843419361491492, -0.08330443451908824, -0.22418220012663434, -0.12132298958231277, -0.15845129126682878, 0.05872207901072493, -0.11031109772181323, -0.12556382658066015, 0.3075896198275739, 0.12855764657738591, 0.23501639412614952, -0.052020018392599406, 0.30687060994570126, 0.05025871342862259, 0.11170107761431418, 0.20745258413890968, 0.3473568689505065, 0.17411327092980822, 0.1222015346266597, -0.22661781845430282, 0.040982204023748636, 0.04212685054151375]
|
706.3805
|
Reachability and recoverability of sink nodes in growing acyclic
directed networks
|
We study the growth of networks from a set of isolated ground nodes by the
addition of one new node per time step and also of a fixed number of directed
edges leading from the new node to randomly selected nodes already in the
network. A fixed-width time window is used so that, in general, only nodes that
entered the network within the latest window may receive new incoming edges.
The resulting directed network is acyclic at all times and allows some of the
ground nodes, then called sinks, to be reached from some of the non-ground
nodes. We regard such networks as representative of abstract systems of
partially ordered constituents, for example in some of the domains related to
technological evolution. Two properties of interest are the number of sinks
that can be reached from a randomly chosen non-ground node (its reach) and, for
a fixed sink, the number of nonoverlapping directed paths through which the
sink can be reached, at a given time, from some of the latest nodes to have
entered the network. We demonstrate, by means of simulations and also of
analytic characterizations, that reaches are distributed according to a power
law and that the desired directed paths are expected to occur in very small
numbers, perhaps indicating that recovering sinks late in the process of
network growth is strongly sensitive to accidental path disruptions.
|
cond-mat.stat-mech
|
we study the growth of networks from a set of isolated ground nodes by the addition of one new node per time step and also of a fixed number of directed edges leading from the new node to randomly selected nodes already in the network a fixedwidth time window is used so that in general only nodes that entered the network within the latest window may receive new incoming edges the resulting directed network is acyclic at all times and allows some of the ground nodes then called sinks to be reached from some of the nonground nodes we regard such networks as representative of abstract systems of partially ordered constituents for example in some of the domains related to technological evolution two properties of interest are the number of sinks that can be reached from a randomly chosen nonground node its reach and for a fixed sink the number of nonoverlapping directed paths through which the sink can be reached at a given time from some of the latest nodes to have entered the network we demonstrate by means of simulations and also of analytic characterizations that reaches are distributed according to a power law and that the desired directed paths are expected to occur in very small numbers perhaps indicating that recovering sinks late in the process of network growth is strongly sensitive to accidental path disruptions
|
[['we', 'study', 'the', 'growth', 'of', 'networks', 'from', 'a', 'set', 'of', 'isolated', 'ground', 'nodes', 'by', 'the', 'addition', 'of', 'one', 'new', 'node', 'per', 'time', 'step', 'and', 'also', 'of', 'a', 'fixed', 'number', 'of', 'directed', 'edges', 'leading', 'from', 'the', 'new', 'node', 'to', 'randomly', 'selected', 'nodes', 'already', 'in', 'the', 'network', 'a', 'fixedwidth', 'time', 'window', 'is', 'used', 'so', 'that', 'in', 'general', 'only', 'nodes', 'that', 'entered', 'the', 'network', 'within', 'the', 'latest', 'window', 'may', 'receive', 'new', 'incoming', 'edges', 'the', 'resulting', 'directed', 'network', 'is', 'acyclic', 'at', 'all', 'times', 'and', 'allows', 'some', 'of', 'the', 'ground', 'nodes', 'then', 'called', 'sinks', 'to', 'be', 'reached', 'from', 'some', 'of', 'the', 'nonground', 'nodes', 'we', 'regard', 'such', 'networks', 'as', 'representative', 'of', 'abstract', 'systems', 'of', 'partially', 'ordered', 'constituents', 'for', 'example', 'in', 'some', 'of', 'the', 'domains', 'related', 'to', 'technological', 'evolution', 'two', 'properties', 'of', 'interest', 'are', 'the', 'number', 'of', 'sinks', 'that', 'can', 'be', 'reached', 'from', 'a', 'randomly', 'chosen', 'nonground', 'node', 'its', 'reach', 'and', 'for', 'a', 'fixed', 'sink', 'the', 'number', 'of', 'nonoverlapping', 'directed', 'paths', 'through', 'which', 'the', 'sink', 'can', 'be', 'reached', 'at', 'a', 'given', 'time', 'from', 'some', 'of', 'the', 'latest', 'nodes', 'to', 'have', 'entered', 'the', 'network', 'we', 'demonstrate', 'by', 'means', 'of', 'simulations', 'and', 'also', 'of', 'analytic', 'characterizations', 'that', 'reaches', 'are', 'distributed', 'according', 'to', 'a', 'power', 'law', 'and', 'that', 'the', 'desired', 'directed', 'paths', 'are', 'expected', 'to', 'occur', 'in', 'very', 'small', 'numbers', 'perhaps', 'indicating', 'that', 'recovering', 'sinks', 'late', 'in', 'the', 'process', 'of', 'network', 'growth', 'is', 'strongly', 'sensitive', 'to', 'accidental', 'path', 'disruptions']]
|
[-0.14910837519859516, 0.15638021068590566, -0.04760522998495263, 0.0032749588113150678, -0.06989775079111345, -0.12904105568101312, 0.11980295766197861, 0.37254931992855267, -0.31118422905267845, -0.3128914802363671, 0.10378158680523246, -0.30040463060248634, -0.11719994517307582, 0.1526813557611445, -0.031247413138183865, 0.03585821893915135, 0.0915236166540094, 0.1119325144915927, 0.009157211458774113, -0.2439046156547931, 0.31496101180321534, 0.04660410033010239, 0.22704531800705435, 0.022291632141413647, 0.08395286819869123, -0.01700277339727323, -0.013053838051774225, 0.08794615059649631, -0.0814106441234461, 0.0797094463779465, 0.24961228755924963, 0.14570208124578884, 0.2785716197660852, -0.4748454939769215, -0.20943975119696986, 0.13301089448716052, 0.146484617675618, 0.12282710442854311, -0.01826673559031112, -0.2621047501919962, 0.14883554614388983, -0.16026407213043828, -0.11609622558546313, -0.001786561080663339, 0.026948903626294637, 0.08282182483545476, -0.24305149449613025, 0.008349553434591024, 0.024142573659784082, -0.007182231390499002, -0.016799324265056936, -0.10055012272937247, -0.09459287491850718, 0.19430752867257312, 0.006189675917152486, 0.02962067843298936, 0.11017518709759394, -0.1339879800650946, -0.12315689271730758, 0.36505780860326176, 0.0061437329480741746, -0.14060353761433123, 0.18712800009863442, -0.1136870367643647, -0.16209101251135358, 0.16004192451722757, 0.2109024237646156, 0.1069619492347127, -0.15059677048232487, 0.012474015861186382, -0.039287027512477736, 0.12048619752038091, 0.07064973103699954, 0.04520676102398744, 0.21598008136645871, 0.17279197843277655, 0.11836224558812009, 0.15345511237600631, -0.07503393100468873, -0.09089426540537823, -0.2905424314441249, -0.13281199942428343, -0.23793193919220165, 0.03787686717574481, -0.11586840994427068, -0.14174653886304964, 0.42697785510864583, 0.1518348540808786, 0.24514161479378763, 0.0641113987093889, 0.24147509820464447, 0.08799082246477112, 0.07488174106941993, 0.12501192510465575, 0.18807702929678263, 0.0800397126522631, 0.07468036866205943, -0.13661311118757782, 0.10322021351421586, 0.023926250671146346]
|
706.3806
|
The Higgs mechanism as a cut-off effect
|
We compute the Coleman-Weinberg potential with a finite cut-off for pure
SU(2) and SU(3) five-dimensional gauge theories compactified on an interval. We
show that besides the expected Coulomb phase located at and in the vicinity of
the free infrared stable or "trivial" fixed point, the theory possesses also a
Higgs phase. We compare the results from the potential computation with lattice
data from simulations.
|
hep-ph hep-lat
|
we compute the colemanweinberg potential with a finite cutoff for pure su2 and su3 fivedimensional gauge theories compactified on an interval we show that besides the expected coulomb phase located at and in the vicinity of the free infrared stable or trivial fixed point the theory possesses also a higgs phase we compare the results from the potential computation with lattice data from simulations
|
[['we', 'compute', 'the', 'colemanweinberg', 'potential', 'with', 'a', 'finite', 'cutoff', 'for', 'pure', 'su2', 'and', 'su3', 'fivedimensional', 'gauge', 'theories', 'compactified', 'on', 'an', 'interval', 'we', 'show', 'that', 'besides', 'the', 'expected', 'coulomb', 'phase', 'located', 'at', 'and', 'in', 'the', 'vicinity', 'of', 'the', 'free', 'infrared', 'stable', 'or', 'trivial', 'fixed', 'point', 'the', 'theory', 'possesses', 'also', 'a', 'higgs', 'phase', 'we', 'compare', 'the', 'results', 'from', 'the', 'potential', 'computation', 'with', 'lattice', 'data', 'from', 'simulations']]
|
[-0.11208466596872313, 0.18138293874130795, -0.11550258248462342, 0.07302837418683339, -0.017314502070803428, -0.143530600485974, 0.07572081129728758, 0.3716479407994484, -0.1910285947160446, -0.21205211024789605, 0.0839996870035975, -0.3091976413561497, -0.13203283933762577, 0.1251223505314556, -0.0007065365566631954, -0.0018209060654044151, 0.0013217071473263786, 0.09422706319310237, -0.15153424467644072, -0.23310259360005148, 0.35236161528882803, 0.013479803145969527, 0.2593856512248749, 0.07321020492963726, 0.09051112258930516, 0.015489674151467625, 0.03316126699792221, -0.015021906176116318, -0.15400378358447142, 0.0612819263315032, 0.17831202398519963, -0.030484365161100868, 0.14243974447708752, -0.39180520112859085, -0.20208875626849476, 0.1329747596028028, 0.13613803543557879, 0.15172904555220157, -0.09108973383445118, -0.2826922603708226, 0.09030565910506994, -0.1698808115470456, -0.20932830792480672, -0.07146029912109952, -0.0512482242193073, -0.07749133727338631, -0.2744671988330083, 0.03584330332478203, -0.0633977677571238, 0.09023915648867842, -0.0789057788788341, -0.08626698704028968, -0.11085632256435929, 0.06937193265730457, 0.08966445984697202, 0.069683249508671, 0.12382018242351478, -0.1694684970207163, -0.14013194043945987, 0.42966878053266555, -0.121955166272528, -0.13745414020013413, 0.19246925557672512, -0.15079719469940756, -0.13133591029327363, 0.1372008573525818, 0.09655884889798472, 0.13268829111621017, -0.049542579286935506, 0.2331677202582796, -0.0064025086066976655, 0.14491399878033917, 0.04671543369477149, 0.019541146652045427, 0.2586904903582763, 0.10922335050418042, 0.06704710878693732, 0.14130601533179288, -0.09320423780809506, -0.1850483143061865, -0.4264181627659127, -0.08103900511559914, -0.15965453514581895, 0.06511122778101708, -0.15251542517898997, -0.16915023068577284, 0.36447810220715837, 0.13337835163838463, 0.16879439857802936, 0.056234876057715155, 0.23083111937739886, 0.1198140985070495, 0.06148724467493594, 0.06385853041138034, 0.2493105235043913, 0.09265023557964014, 0.05796810887113679, -0.2735528066477855, -0.15579236917983508, 0.13098426730721258]
|
706.3807
|
Twist two operators at finite volume
|
We calculate the volume corrections to the two-pion matrix element of twist
two operators.
|
hep-lat
|
we calculate the volume corrections to the twopion matrix element of twist two operators
|
[['we', 'calculate', 'the', 'volume', 'corrections', 'to', 'the', 'twopion', 'matrix', 'element', 'of', 'twist', 'two', 'operators']]
|
[-0.14071385396112288, 0.2006620581793998, -0.08529218884983233, 0.15547683502414397, 0.024444205137634917, -0.025626621741269315, -0.010245565325021744, 0.32080342727048056, -0.26738088338502813, -0.13327783053474768, 0.03640083473042718, -0.4163629322179726, -0.06437391122536999, 0.06353954298953925, 0.03642567771540988, 0.08252095630658525, 0.032042374568326135, 0.040225005841680934, -0.2389656562424664, -0.1574882548302412, 0.4781006340469633, -0.058457979799381325, 0.16668019749756371, 0.19880211060600622, 0.05521651783159801, 0.008490829662020718, -0.1473128627985716, -0.024739767025624002, -0.1374455009187971, 0.14449048522926336, 0.220922143597688, -0.051948239760739465, 0.10062335218702044, -0.4082530662417412, -0.07741596679469305, 0.1563383567013911, 0.09207488556525537, 0.16128683276474476, 0.05091735986726625, -0.19784833331193244, 0.030596661514469554, -0.3141432795673609, -0.20377631219370024, -0.11850886620647673, 0.028855042897963097, -0.07436943772648062, -0.3859168009034225, 0.011964192846789956, -0.09889992699027061, -0.015871791767754724, 0.04186417641384261, -0.22113231330045632, 0.0072525817002835015, 0.18491914569001114, 0.04889717445309673, -0.017443315192524875, 0.2080594612884202, -0.09976650401949883, -0.0833070022719247, 0.333834920078516, -0.09510253848774093, -0.25891371590218376, -0.035875050883208005, -0.2626966248665537, -0.11409127339720726, 0.13139942108786531, 0.17790154823368148, 0.0658677906862327, -0.19032841175794601, 0.10216116126892823, 0.04838267268080797, 0.18560627794691495, 0.07613244858969535, 0.0012976302366171563, 0.01994062933538641, 0.0011103068079267228, 0.025565651644553457, 0.13059872052482596, -0.11886102040963513, -0.13110742957464286, -0.42114261644227163, -0.18699347121374948, -0.14600638672709465, 0.030455511262906448, -0.17669375400458062, -0.268898747329201, 0.39957768516615033, 0.08325911805565868, 0.2020413162452834, 0.012846981773951225, 0.2776568928467376, 0.17018711367355926, 0.1874869665397065, 0.035397969186306, 0.22654917782970838, 0.2836346138002617, 0.06273634309348251, -0.3552652446420065, -0.0763907367030957, 0.3398462246571268]
|
706.3808
|
Birefringence (rotation of polarization plane and spin dichroism) of
deuterons in carbon target
|
Birefringence phenomenon for deuteron with energy up 20 MeV in carbon target
is considered. The estimation for spin dichroism and for angle of rotation of
polarization plane of deuterons is presented. It is shown that magnitude of the
phenomenon strongly depends on behavior of the deuteron wave functions on small
distance between nucleon in deuteron.
|
nucl-th
|
birefringence phenomenon for deuteron with energy up 20 mev in carbon target is considered the estimation for spin dichroism and for angle of rotation of polarization plane of deuterons is presented it is shown that magnitude of the phenomenon strongly depends on behavior of the deuteron wave functions on small distance between nucleon in deuteron
|
[['birefringence', 'phenomenon', 'for', 'deuteron', 'with', 'energy', 'up', '20', 'mev', 'in', 'carbon', 'target', 'is', 'considered', 'the', 'estimation', 'for', 'spin', 'dichroism', 'and', 'for', 'angle', 'of', 'rotation', 'of', 'polarization', 'plane', 'of', 'deuterons', 'is', 'presented', 'it', 'is', 'shown', 'that', 'magnitude', 'of', 'the', 'phenomenon', 'strongly', 'depends', 'on', 'behavior', 'of', 'the', 'deuteron', 'wave', 'functions', 'on', 'small', 'distance', 'between', 'nucleon', 'in', 'deuteron']]
|
[-0.11412229764656248, 0.24044226584109393, -0.035324262412772936, 0.0668343883219429, -0.04577337500734509, -0.05241247672926296, 0.012879827339202166, 0.41749569685621696, -0.21419459124180404, -0.2719892862845551, -0.05173496126874604, -0.3098362982273102, -0.055477848242629656, 0.2365719495002519, 0.07730120853944258, 0.051703458186239004, 0.015605087324299596, 0.03980628227899698, -0.0658517099366608, -0.1680245230482383, 0.3451325415887616, 0.09406918503703889, 0.2788567193529823, 0.16286530512469735, 0.12228026329116388, 0.0883445922666314, 0.04209575590423562, -0.051789543709971686, -0.09140726038828936, 0.057696966928514566, 0.2259106019173156, 0.03726340231739662, 0.08741360425271771, -0.3756062661043622, -0.1533702878874134, 0.06377203586426648, 0.09689252527684651, 0.11747100785035978, -0.0407083029858768, -0.2419435371390798, 0.026234094045040283, -0.14929747967980803, -0.19648661933500658, -0.0575048365206881, 0.10610490621660243, 0.08494632862592963, -0.260656070641496, 0.1156922591172836, 0.01093413812870329, 0.06182150385257873, -0.07939578263427724, -0.211760467866605, -0.030864092851565644, 0.015959803556854075, 0.12935038766485046, 0.12012695073234764, 0.15184395587579771, -0.11252009764906358, -0.08374029513744807, 0.4013507768342441, -0.021739279140125623, -0.1891834626836829, 0.0557862659831616, -0.25543847817250276, -0.041742380932820115, 0.18919548588720234, 0.20423302545466207, 0.12304452251304279, -0.1319209591146897, 0.022700898191595282, -0.051111080531104976, 0.23808428655293853, 0.1673430015248331, 0.05800330538133329, 0.1883076353337277, 0.225154477247799, 0.10353888359598139, 0.08935720680112189, -0.1714344605718824, -0.0491771468215368, -0.266213704442436, -0.08692280390215192, -0.1942806212845343, 0.0773912059151123, -0.07161100853885397, -0.11939814409230497, 0.37050886343825945, 0.049671762749891386, 0.1723134089430625, -0.044690406965938484, 0.29696699380874636, 0.09308952145617116, 0.068543080418286, 0.032485030718486414, 0.36587751595811413, 0.2328495062210343, 0.09665066313675859, -0.28310946553352884, 0.1081566730429503, 0.0072145795788277275]
|
706.3809
|
High-E_T dijet photoproduction at HERA
|
The cross section for high-E_T dijet production in photoproduction has been
measured with the ZEUS detector at HERA using an integrated luminosity of 81.8
pb-1. The events were required to have a virtuality of the incoming photon,
Q^2, of less than 1 GeV^2 and a photon-proton centre-of-mass energy in the
range 142 < W < 293 GeV. Events were selected if at least two jets satisfied
the transverse-energy requirements of E_T(jet1) > 20 GeV and E_T(jet2) > 15 GeV
and pseudorapidity requirements of -1 < eta(jet1,2) < 3, with at least one of
the jets satisfying -1 < eta(jet) < 2.5. The measurements show sensitivity to
the parton distributions in the photon and proton and effects beyond
next-to-leading order in QCD. Hence these data can be used to constrain further
the parton densities in the proton and photon.
|
hep-ex
|
the cross section for highe_t dijet production in photoproduction has been measured with the zeus detector at hera using an integrated luminosity of 818 pb1 the events were required to have a virtuality of the incoming photon q2 of less than 1 gev2 and a photonproton centreofmass energy in the range 142 w 293 gev events were selected if at least two jets satisfied the transverseenergy requirements of e_tjet1 20 gev and e_tjet2 15 gev and pseudorapidity requirements of 1 etajet12 3 with at least one of the jets satisfying 1 etajet 25 the measurements show sensitivity to the parton distributions in the photon and proton and effects beyond nexttoleading order in qcd hence these data can be used to constrain further the parton densities in the proton and photon
|
[['the', 'cross', 'section', 'for', 'highe_t', 'dijet', 'production', 'in', 'photoproduction', 'has', 'been', 'measured', 'with', 'the', 'zeus', 'detector', 'at', 'hera', 'using', 'an', 'integrated', 'luminosity', 'of', '818', 'pb1', 'the', 'events', 'were', 'required', 'to', 'have', 'a', 'virtuality', 'of', 'the', 'incoming', 'photon', 'q2', 'of', 'less', 'than', '1', 'gev2', 'and', 'a', 'photonproton', 'centreofmass', 'energy', 'in', 'the', 'range', '142', 'w', '293', 'gev', 'events', 'were', 'selected', 'if', 'at', 'least', 'two', 'jets', 'satisfied', 'the', 'transverseenergy', 'requirements', 'of', 'e_tjet1', '20', 'gev', 'and', 'e_tjet2', '15', 'gev', 'and', 'pseudorapidity', 'requirements', 'of', '1', 'etajet12', '3', 'with', 'at', 'least', 'one', 'of', 'the', 'jets', 'satisfying', '1', 'etajet', '25', 'the', 'measurements', 'show', 'sensitivity', 'to', 'the', 'parton', 'distributions', 'in', 'the', 'photon', 'and', 'proton', 'and', 'effects', 'beyond', 'nexttoleading', 'order', 'in', 'qcd', 'hence', 'these', 'data', 'can', 'be', 'used', 'to', 'constrain', 'further', 'the', 'parton', 'densities', 'in', 'the', 'proton', 'and', 'photon']]
|
[-0.012792168731441882, 0.23717781677431937, -0.09195751518627086, 0.14848236981816004, 0.008960210138887871, -0.06554442678768863, -0.023271180337338937, 0.38957534962165075, -0.12314579272129404, -0.38527168957406555, -0.028341579905483784, -0.40255701317136566, 0.18438653034840044, 0.16245389468307922, 0.08755902518466936, 0.15914092974839952, 0.0762950110993546, -0.018015080393754004, -0.05766847986896618, -0.22524349798639048, 0.284192035172692, 0.09594260365152218, 0.19821756703441773, 0.17954292233417354, 0.15594049328186468, 0.04616880271121801, -0.04410681505201707, -0.08948164009012458, -0.12964694168763308, 0.036250112878936015, 0.3025816275360517, 0.07379700609952153, 0.15474697162913284, -0.33244555523457725, -0.06959081944224872, 0.0993816239583328, 0.1346687827787296, -0.04057112746820675, 0.021692544298877164, -0.2547719561142891, 0.1579003455765879, -0.2793322471447113, -0.10237760223836939, 0.025544929824124173, 0.008689973167855088, 0.0003276697953972291, -0.3100260085697601, 0.0892570579028505, -0.09287425042240052, 0.06034143807505822, -0.00013824802178038855, -0.21970011804282197, -0.08706516490270215, -0.03366017908107225, 0.07513524548244098, 0.13242173823894654, 0.16940728104196665, -0.1694587233337009, -0.19925372054210064, 0.34550235923526323, 0.03806932548124721, -0.1270370991812564, 0.12137548212240648, -0.2819517566052478, -0.1236861352423778, 0.22730997215780452, 0.258081020956023, 0.051346326057109835, -0.21256512500287042, 0.046684718097736104, 0.05166961140490658, 0.2408848412089255, 0.14593316763492786, 0.0655251866954518, 0.11820805168116656, 0.1983392524897803, -0.024120512145285412, 0.024456725541986232, -0.21751245879018166, 0.0021613449972914898, -0.4266213499977598, -0.0813135674230637, -0.07168224602057709, 0.10372091943075455, -0.09847394748353473, 0.0177279563811351, 0.3582919661439662, 0.09161529899941478, 0.30045767968124526, 0.019925007187783367, 0.3032437890298723, 0.11575295934435273, 0.09987684649481314, 0.12398237205205823, 0.3388421330600977, 0.14318178070335114, 0.19510120848985754, -0.1369410235302772, -0.006694240994223459, -0.027792435773743653]
|
706.381
|
The Camassa-Holm equation as a geodesic flow for the $H^1$
right-invariant metric
|
The fundamental role played by the Lie groups in mechanics, and especially by
the dual space of the Lie algebra of the group and the coadjoint action are
illustrated through the Camassa-Holm equation (CH). In 1996 Misio{\l}ek
observed that CH is a geodesic flow equation on the group of diffeomorphisms,
preserving the $H^1$ metric. This example is analogous to the Euler equations
in hydrodynamics, which describe geodesic flow for a right-invariant metric on
the infinite-dimensional group of diffeomorphisms preserving the volume element
of the domain of fluid flow and to the Euler equations of rigid body whith a
fixed point, describing geodesics for a left-invariant metric on SO(3). The
momentum map and an explicit parametrization of the Virasoro group, related to
recently obtained solutions for the CH equation are presented.
|
nlin.SI math-ph math.MP
|
the fundamental role played by the lie groups in mechanics and especially by the dual space of the lie algebra of the group and the coadjoint action are illustrated through the camassaholm equation ch in 1996 misiolek observed that ch is a geodesic flow equation on the group of diffeomorphisms preserving the h1 metric this example is analogous to the euler equations in hydrodynamics which describe geodesic flow for a rightinvariant metric on the infinitedimensional group of diffeomorphisms preserving the volume element of the domain of fluid flow and to the euler equations of rigid body whith a fixed point describing geodesics for a leftinvariant metric on so3 the momentum map and an explicit parametrization of the virasoro group related to recently obtained solutions for the ch equation are presented
|
[['the', 'fundamental', 'role', 'played', 'by', 'the', 'lie', 'groups', 'in', 'mechanics', 'and', 'especially', 'by', 'the', 'dual', 'space', 'of', 'the', 'lie', 'algebra', 'of', 'the', 'group', 'and', 'the', 'coadjoint', 'action', 'are', 'illustrated', 'through', 'the', 'camassaholm', 'equation', 'ch', 'in', '1996', 'misiolek', 'observed', 'that', 'ch', 'is', 'a', 'geodesic', 'flow', 'equation', 'on', 'the', 'group', 'of', 'diffeomorphisms', 'preserving', 'the', 'h1', 'metric', 'this', 'example', 'is', 'analogous', 'to', 'the', 'euler', 'equations', 'in', 'hydrodynamics', 'which', 'describe', 'geodesic', 'flow', 'for', 'a', 'rightinvariant', 'metric', 'on', 'the', 'infinitedimensional', 'group', 'of', 'diffeomorphisms', 'preserving', 'the', 'volume', 'element', 'of', 'the', 'domain', 'of', 'fluid', 'flow', 'and', 'to', 'the', 'euler', 'equations', 'of', 'rigid', 'body', 'whith', 'a', 'fixed', 'point', 'describing', 'geodesics', 'for', 'a', 'leftinvariant', 'metric', 'on', 'so3', 'the', 'momentum', 'map', 'and', 'an', 'explicit', 'parametrization', 'of', 'the', 'virasoro', 'group', 'related', 'to', 'recently', 'obtained', 'solutions', 'for', 'the', 'ch', 'equation', 'are', 'presented']]
|
[-0.19699590254145172, 0.06119891498159492, -0.09919431245563408, 0.030061588988890154, -0.11424624249697304, -0.07032517403937304, -0.05938744181050704, 0.303786033563889, -0.29986211852385447, -0.21433043679079183, 0.12526493943027722, -0.2983776985381085, -0.12294993897040303, 0.1757182364280407, -0.08707143127774963, 0.06820575626423726, 0.06220840434901989, 0.09976426804653155, -0.09547885133562466, -0.190991684076233, 0.4087226735284695, 0.006127923881061949, 0.25246576719308417, -0.008609765517310455, 0.21474811722022982, -0.017456276747039878, -0.05179355423897505, 0.016455075968406164, -0.14901922216416166, 0.10878899382570616, 0.23720001997784354, 0.025779947778210043, 0.17496662341917937, -0.37636298848172794, -0.22862790782864278, 0.08985328337965677, 0.12624224866561304, 0.04851979024690361, -0.062036326649383855, -0.35474748304113746, 0.0555593294557184, -0.12854754160373258, -0.1743417748252306, -0.04625921637679522, 0.0827219880024831, 0.005856540120350054, -0.16314313153807933, 0.08318630974166669, 0.0885451924127455, 0.08703457790386612, -0.13161933491579614, -0.0569719986202052, -0.1093472462022104, 0.10208489282791001, 0.05297447643242777, 0.06552672418049321, 0.11475482945187161, -0.09219754171163703, -0.054543083974231896, 0.47148347003385427, -0.06427900860659205, -0.32654752780038576, 0.12633312324850032, -0.14667019850502794, -0.1509329337053574, 0.10504265481319565, 0.15627175835498536, 0.1625358810272211, -0.119318620996693, 0.17187724793150735, -0.09877850250340998, 0.04714662606689112, 0.05957876468757884, -0.06631301512153676, 0.1023869020327066, 0.10960664913917963, 0.10258083360699508, 0.08053542568948335, 0.02393970149748314, -0.1347905249836353, -0.36541409111366824, -0.22749512444536846, -0.11351795650463407, 0.08493060631176028, -0.1586765341384587, -0.1417091556985934, 0.3814467475731642, 0.0452523896506486, 0.15106570683777906, 0.0566679404502233, 0.20189873518135684, 0.12384420555317774, 0.03834787126576814, 0.1129001996694849, 0.20346096810669853, 0.2262633747385385, 0.029981318431404922, -0.2674981212350898, -0.06341840538124625, 0.258762438258586]
|
706.3811
|
Criticality, Scaling and Chiral Symmetry Breaking in External Magnetic
Field
|
We consider a D7-brane probe of $AdS_{5}\times S^5$ in the presence of pure
gauge $B$-field. The dual gauge theory is flavored Yang-Mills theory in
external magnetic field. We explore the dependence of the fermionic condensate
on the bare quark mass $m_{q}$ and study the discrete self-similar behavior of
the theory near the origin of the parametric space. We calculate the critical
exponents of the bare quark mass and the fermionic condensate. A study of the
meson spectrum supports the expectation based on thermodynamic considerations
that at zero bare quark mass the stable phase of the theory is a chiral
symmetry breaking one. Our study reveals the self-similar structure of the
spectrum near the critical phase of the theory, characterized by zero fermionic
condensate and we calculate the corresponding critical exponent of the meson
spectrum.
|
hep-th
|
we consider a d7brane probe of ads_5times s5 in the presence of pure gauge bfield the dual gauge theory is flavored yangmills theory in external magnetic field we explore the dependence of the fermionic condensate on the bare quark mass m_q and study the discrete selfsimilar behavior of the theory near the origin of the parametric space we calculate the critical exponents of the bare quark mass and the fermionic condensate a study of the meson spectrum supports the expectation based on thermodynamic considerations that at zero bare quark mass the stable phase of the theory is a chiral symmetry breaking one our study reveals the selfsimilar structure of the spectrum near the critical phase of the theory characterized by zero fermionic condensate and we calculate the corresponding critical exponent of the meson spectrum
|
[['we', 'consider', 'a', 'd7brane', 'probe', 'of', 'ads_5times', 's5', 'in', 'the', 'presence', 'of', 'pure', 'gauge', 'bfield', 'the', 'dual', 'gauge', 'theory', 'is', 'flavored', 'yangmills', 'theory', 'in', 'external', 'magnetic', 'field', 'we', 'explore', 'the', 'dependence', 'of', 'the', 'fermionic', 'condensate', 'on', 'the', 'bare', 'quark', 'mass', 'm_q', 'and', 'study', 'the', 'discrete', 'selfsimilar', 'behavior', 'of', 'the', 'theory', 'near', 'the', 'origin', 'of', 'the', 'parametric', 'space', 'we', 'calculate', 'the', 'critical', 'exponents', 'of', 'the', 'bare', 'quark', 'mass', 'and', 'the', 'fermionic', 'condensate', 'a', 'study', 'of', 'the', 'meson', 'spectrum', 'supports', 'the', 'expectation', 'based', 'on', 'thermodynamic', 'considerations', 'that', 'at', 'zero', 'bare', 'quark', 'mass', 'the', 'stable', 'phase', 'of', 'the', 'theory', 'is', 'a', 'chiral', 'symmetry', 'breaking', 'one', 'our', 'study', 'reveals', 'the', 'selfsimilar', 'structure', 'of', 'the', 'spectrum', 'near', 'the', 'critical', 'phase', 'of', 'the', 'theory', 'characterized', 'by', 'zero', 'fermionic', 'condensate', 'and', 'we', 'calculate', 'the', 'corresponding', 'critical', 'exponent', 'of', 'the', 'meson', 'spectrum']]
|
[-0.1701955754942358, 0.26002299649651345, -0.11609871451284236, 0.09848217355650363, -0.022288202605672432, -0.07636347202820454, 0.06618062086114938, 0.2876769502746261, -0.15958948297957792, -0.2059707763785524, 0.02525765656444953, -0.27784139779048844, -0.0964126400997056, 0.06732603135421428, 0.058838983094180695, 0.05482312750224191, -0.07355332363104976, 0.09827364139335314, -0.1340497397633492, -0.17803806494295932, 0.39744636715813747, -0.02102648958897413, 0.2984113879223813, 0.10910872311970747, 0.04298555791211217, 0.023249745744266616, 0.007975555959838763, -0.05325748420119765, -0.1704761029984876, 0.0599626103527288, 0.13181795216028216, 0.01130264696366251, 0.1366220134703109, -0.3741722132232207, -0.19434986005879507, 0.09971356833937453, 0.1390752492701885, 0.11815981694789075, -0.012420256677736987, -0.2862328320964059, 0.06026447606933261, -0.17931316780454631, -0.24951295352127376, -0.08073773675723307, -0.022255976683522728, -0.07728294115652566, -0.25091537210348397, 0.09979062470426756, -0.014807468516501918, 0.06077629766329678, -0.0854734117073987, -0.08145843780905342, -0.11018202414061985, 0.05037377848560964, 0.13590505999884805, 0.05700801471865097, 0.18491314143835524, -0.2158309255254024, -0.0914779060534132, 0.388640591286995, -0.116954740413131, -0.13652435991801878, 0.12537886920461513, -0.19361626978532703, -0.134578708448072, 0.11354925033094278, 0.1453140580144002, 0.13296883841698517, -0.10594821202876255, 0.21317070918444392, -0.0680000025243846, 0.16229053102902818, 0.05971715262389061, 0.07221583787216318, 0.28997839260290365, 0.15639321468492498, 0.010616537607483455, 0.15400308520713848, -0.050701632696975356, -0.16851841225010802, -0.37411763672994924, -0.10695259998649803, -0.1675906267500163, 0.08233135805201175, -0.14559447844549683, -0.2071837711273067, 0.4296596708512907, 0.12371713919704085, 0.2036457983776927, 0.011461567105864412, 0.2390479429645825, 0.16883924709017903, 0.03699244818052472, 0.03126576845186638, 0.28299420135123515, 0.21157517357305414, 0.10725843413635644, -0.3660850765308671, -0.11738806131379262, 0.13959092869242626]
|
706.3812
|
Java Components Vulnerabilities - An Experimental Classification
Targeted at the OSGi Platform
|
The OSGi Platform finds a growing interest in two different applications
domains: embedded systems, and applications servers. However, the security
properties of this platform are hardly studied, which is likely to hinder its
use in production systems. This is all the more important that the dynamic
aspect of OSGi-based applications, that can be extended at runtime, make them
vulnerable to malicious code injection. We therefore perform a systematic audit
of the OSGi platform so as to build a vulnerability catalog that intends to
reference OSGi Vulnerabilities originating in the Core Specification, and in
behaviors related to the use of the Java language. Standard Services are not
considered. To support this audit, a Semi-formal Vulnerability Pattern is
defined, that enables to uniquely characterize fundamental properties for each
vulnerability, to include verbose description in the pattern, to reference
known security protections, and to track the implementation status of the
proof-of-concept OSGi Bundles that exploit the vulnerability. Based on the
analysis of the catalog, a robust OSGi Platform is built, and recommendations
are made to enhance the OSGi Specifications.
|
cs.CR cs.OS
|
the osgi platform finds a growing interest in two different applications domains embedded systems and applications servers however the security properties of this platform are hardly studied which is likely to hinder its use in production systems this is all the more important that the dynamic aspect of osgibased applications that can be extended at runtime make them vulnerable to malicious code injection we therefore perform a systematic audit of the osgi platform so as to build a vulnerability catalog that intends to reference osgi vulnerabilities originating in the core specification and in behaviors related to the use of the java language standard services are not considered to support this audit a semiformal vulnerability pattern is defined that enables to uniquely characterize fundamental properties for each vulnerability to include verbose description in the pattern to reference known security protections and to track the implementation status of the proofofconcept osgi bundles that exploit the vulnerability based on the analysis of the catalog a robust osgi platform is built and recommendations are made to enhance the osgi specifications
|
[['the', 'osgi', 'platform', 'finds', 'a', 'growing', 'interest', 'in', 'two', 'different', 'applications', 'domains', 'embedded', 'systems', 'and', 'applications', 'servers', 'however', 'the', 'security', 'properties', 'of', 'this', 'platform', 'are', 'hardly', 'studied', 'which', 'is', 'likely', 'to', 'hinder', 'its', 'use', 'in', 'production', 'systems', 'this', 'is', 'all', 'the', 'more', 'important', 'that', 'the', 'dynamic', 'aspect', 'of', 'osgibased', 'applications', 'that', 'can', 'be', 'extended', 'at', 'runtime', 'make', 'them', 'vulnerable', 'to', 'malicious', 'code', 'injection', 'we', 'therefore', 'perform', 'a', 'systematic', 'audit', 'of', 'the', 'osgi', 'platform', 'so', 'as', 'to', 'build', 'a', 'vulnerability', 'catalog', 'that', 'intends', 'to', 'reference', 'osgi', 'vulnerabilities', 'originating', 'in', 'the', 'core', 'specification', 'and', 'in', 'behaviors', 'related', 'to', 'the', 'use', 'of', 'the', 'java', 'language', 'standard', 'services', 'are', 'not', 'considered', 'to', 'support', 'this', 'audit', 'a', 'semiformal', 'vulnerability', 'pattern', 'is', 'defined', 'that', 'enables', 'to', 'uniquely', 'characterize', 'fundamental', 'properties', 'for', 'each', 'vulnerability', 'to', 'include', 'verbose', 'description', 'in', 'the', 'pattern', 'to', 'reference', 'known', 'security', 'protections', 'and', 'to', 'track', 'the', 'implementation', 'status', 'of', 'the', 'proofofconcept', 'osgi', 'bundles', 'that', 'exploit', 'the', 'vulnerability', 'based', 'on', 'the', 'analysis', 'of', 'the', 'catalog', 'a', 'robust', 'osgi', 'platform', 'is', 'built', 'and', 'recommendations', 'are', 'made', 'to', 'enhance', 'the', 'osgi', 'specifications']]
|
[-0.13227824494841375, 0.004896211058367044, -0.07428370749045696, 0.0706960947099807, -0.14265356074220367, -0.16749866639396974, 0.06733055211603642, 0.384665149765455, -0.25864327353292277, -0.3036665344238281, 0.13088038253132253, -0.28600415116974287, -0.14602414452603885, 0.2184658915469689, -0.10983265192913158, 0.0887950282221261, 0.030624098969357354, 0.007483544567865985, -0.008302528766383018, -0.24809448035167797, 0.2890270912753684, 0.0666596990850355, 0.31450155157196735, 0.07650697597967727, 0.005087476577609777, -0.015868363348501068, -0.04296150663568239, -0.0027413534479481835, -0.07226200510718626, 0.140436865833721, 0.3419929916730949, 0.21641814690083266, 0.2974845676563148, -0.3991130145106997, -0.17075708850952132, 0.05251333082693496, 0.12417942520630147, 0.08188561655780567, -0.044684905343040426, -0.2945123198096241, 0.14449085071949022, -0.24267968142671245, -0.1474810243876917, -0.1099905974684017, 0.013644668125946608, 0.03353426201734692, -0.2209172886869471, -0.06100891596637666, 0.03659415658563375, 0.0687606698593923, -0.006780765364611787, -0.04846939336508513, -0.029726172291806765, 0.19912692637315818, 0.01874588982601251, 0.0009137047028967313, 0.19869516410199659, -0.10859254922451718, -0.15809632131297674, 0.40846988750355584, 0.003814280230019774, -0.17823569510398166, 0.23691514387194598, -0.017310872471758297, -0.18774631103766817, 0.07488681898319295, 0.2386301699520222, 0.06413235177818154, -0.21396535686084203, 0.025375523486041596, 0.021681920154286282, 0.23314827026932367, 4.4546164572238924e-05, 0.057605634674962075, 0.22183771567685265, 0.19116489574945134, 0.04240763696176665, 0.1529158351856417, -0.03360226925479115, -0.0889623050564634, -0.2518357157241553, -0.17318864923303148, -0.13463516965308892, 0.009671632223845726, -0.014679258984314011, -0.21019123423445438, 0.39615594201322113, 0.25430616214339224, 0.1316513147151896, 0.013993108084292284, 0.35196265242727737, -0.00021954279725572892, 0.1312041378127677, 0.09465579773964626, 0.19386869158063616, 0.04054367151111364, 0.12818049401310938, -0.13149863947249416, 0.14418581180806672, -0.017090609575222647]
|
706.3813
|
Entanglement invariant for the double Jaynes-Cummings model
|
We study entanglement dynamics between four qubits interacting through two
isolated Jaynes-Cummings hamiltonians, via the entanglement measure based on
the wedge product. We compare the results with similar results obtained using
bipartite concurrence resulting in what is referred to as "entanglement sudden
death". We find a natural entanglement invariant under evolution demonstrating
that entanglement sudden death is caused by ignoring (tracing over) some of the
system's degrees of freedom that become entangled through the interaction.
|
quant-ph
|
we study entanglement dynamics between four qubits interacting through two isolated jaynescummings hamiltonians via the entanglement measure based on the wedge product we compare the results with similar results obtained using bipartite concurrence resulting in what is referred to as entanglement sudden death we find a natural entanglement invariant under evolution demonstrating that entanglement sudden death is caused by ignoring tracing over some of the systems degrees of freedom that become entangled through the interaction
|
[['we', 'study', 'entanglement', 'dynamics', 'between', 'four', 'qubits', 'interacting', 'through', 'two', 'isolated', 'jaynescummings', 'hamiltonians', 'via', 'the', 'entanglement', 'measure', 'based', 'on', 'the', 'wedge', 'product', 'we', 'compare', 'the', 'results', 'with', 'similar', 'results', 'obtained', 'using', 'bipartite', 'concurrence', 'resulting', 'in', 'what', 'is', 'referred', 'to', 'as', 'entanglement', 'sudden', 'death', 'we', 'find', 'a', 'natural', 'entanglement', 'invariant', 'under', 'evolution', 'demonstrating', 'that', 'entanglement', 'sudden', 'death', 'is', 'caused', 'by', 'ignoring', 'tracing', 'over', 'some', 'of', 'the', 'systems', 'degrees', 'of', 'freedom', 'that', 'become', 'entangled', 'through', 'the', 'interaction']]
|
[-0.16303381433089575, 0.22113001734018325, -0.06288663717607657, 0.05584261346918841, 0.06274229033539692, -0.19766170342142383, 0.009284325319652757, 0.35892575144767763, -0.2187310116738081, -0.23977007164309422, 0.056033078368442756, -0.3025071446100871, -0.16011152300362785, 0.1905720837103824, -0.00963263150304556, 0.03685417339205742, 0.09769005360081792, 0.046511658132076264, -0.08199149031192064, -0.23619694406787553, 0.36893535902102786, 0.0300678049835066, 0.2734369472662608, 0.06453744131683682, 0.09604320665200551, 0.03937320690825193, 0.032046924928824105, 0.03140004804357886, -0.13518186714597202, 0.04588648784905672, 0.18412015018130964, 0.16410155506261315, 0.23992833827932675, -0.4182066954051455, -0.20553490150099, 0.1353276890826722, 0.14403461841245493, 0.16460220295935868, -0.004444060420307021, -0.3484593058253328, -0.09847626384813339, -0.22844752497971058, -0.12507700823868315, -0.09357062256584565, -0.0073337706178426745, -0.031159109650179744, -0.2194049666201075, 0.14952052635451157, 0.01694783559689919, 0.10303564588849744, 0.015716709817449253, 0.03625611490259568, -0.05781159695858757, 0.1243286796969672, -0.0006529242359101773, -0.025279825047279398, 0.14674048433080317, -0.10144501715277632, -0.17218941214183967, 0.33740507036447526, -0.11224702884753546, -0.1909429332241416, 0.23255777667742222, -0.14935781023775538, -0.11030004162341356, 0.06564766495178143, 0.09007733675340811, 0.0849522882886231, -0.1538512902831038, -0.016971171523133915, -0.014506262028589845, 0.13891570566222072, 0.09465653143823147, 0.14318507317453621, 0.19119445140163105, 0.08744207491787771, 0.05072189660121997, 0.29869474266345303, -0.016470582171653706, -0.2174939390892784, -0.27314336780458687, -0.1573750037079056, -0.24036213079156976, 0.13256944327615203, -0.10062907715638479, -0.08782925859093665, 0.4385198291639487, 0.13466009336523713, 0.1835758490860462, 0.0038119973552723724, 0.22512085052827993, 0.09435831310693174, 0.07196226282821347, 0.09426254069432616, 0.24467433121870272, 0.15614360613437991, 0.006266049132682383, -0.31747076482822495, 0.06181079439818859, 0.04202057136843602]
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.