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nlin0607066 | c | in this paper we have analyzed asymptotic behavior of the single - time structure functions @xmath300 of a passively advected scalar field by the compressible velocity field with small - scale anisotropy by using the field - theoretic renormalization group and the operator product expansion in a minimal - subtraction s... | model of a passive scalar field advected by the compressible gaussian strongly anisotropic velocity field with the covariance is studied by using the field theoretic renormalization group and the operator product expansion . it is shown that , as in the isotropic case , the presence of compressibility leads to the decr... | model of a passive scalar field advected by the compressible gaussian strongly anisotropic velocity field with the covariance is studied by using the field theoretic renormalization group and the operator product expansion . the inertial - range stability of the corresponding scaling regime is established . the anomalo... |
hep-ph0501161 | i | in the standard model(sm ) with fifteen fermions per family neutrinos are strictly massless and the charged leptons weak eigenstates can be chosen to be their mass eigenstates . thus , each generation has a separately conserved lepton number . if one neglects the tiny effects from nonperturbative processes , there is n... | models involving large extra spatial dimension(s ) have interesting predictions on lepton flavor violating processes . we show that in the models we discussed the branching ratio of like rare process is much smaller than the ones of like processes . this is in sharp contrast to most of the traditional wisdom based on f... | models involving large extra spatial dimension(s ) have interesting predictions on lepton flavor violating processes . we consider some 5d models which are related to neutrino mass generation or address the fermion masses hierarchy problem . we study the signatures in low energy experiments that can discriminate the di... |
hep-ph0501161 | c | we have studied and reviewed lfv processes in 5d gauge models that are related to neutrino mass generation or address the flavor problem . specifically we focus on two complete models which generate neutrino masses radiatively . this allows us to see in detail how the two issues can be related . the models are based on... | we consider some 5d models which are related to neutrino mass generation or address the fermion masses hierarchy problem . the focus is on muon - electron conversion in nuclei , and processes and their counterparts . moreover , some rare tau decays are more promising than the rare muon decays . | models involving large extra spatial dimension(s ) have interesting predictions on lepton flavor violating processes . we consider some 5d models which are related to neutrino mass generation or address the fermion masses hierarchy problem . we study the signatures in low energy experiments that can discriminate the di... |
cond-mat0401007 | i | in this study we have investigated the effects of moderate - to - large smooth disorder on the hofstadter butterfly expected for 2des in a perpendicular magnetic field and a pure periodic modulation . the parameters of our study are chosen so as to be suitable for the interpretation of recent experiments on a two dimen... | motivated by the recent experiments on periodically modulated , two dimensional electron systems placed in large transversal magnetic fields , we investigate the interplay between the effects of disorder and periodic potentials in the integer quantum hall regime . in particular , we study the case where disorder is lar... | motivated by the recent experiments on periodically modulated , two dimensional electron systems placed in large transversal magnetic fields , we investigate the interplay between the effects of disorder and periodic potentials in the integer quantum hall regime . in particular , we study the case where disorder is lar... |
cond-mat0312422 | i | molecular motors are proteins that convert the free energy released from chemical reactions into directed movements @xcite . here we focus on linear cytoskeletal motors which move along cytoskeletal filaments . many of these motors are processive in the sense that a single motor molecule can move a cargo over a large d... | detachment from this line is allowed to occur with a small probability . motion in the surrounding fluid is described by symmetric random walks . results are obtained for the fraction of bound motors , their average velocity and displacement . the occurrence of protofilaments on a microtubule is modeled by internal sta... | movements of molecular motors on cytoskeletal filaments are described by directed walks on a line . detachment from this line is allowed to occur with a small probability . motion in the surrounding fluid is described by symmetric random walks . effects of detachment and reattachment are calculated by an analytical sol... |
nucl-th9801009 | i | most hadrons are emitted in the final stage of a relativistic heavy ion collision . they do not probe directly the hot and dense intermediate stages where quarks and gluons are expected to be the relevant physical degrees of freedom for equilibration processes . the geometrical size and dynamical state of the hadronic ... | multiparticle symmetrization effects are contributions to the spectra of bose - symmetrized states which are not the product of pairwise correlations . usually they are neglected in particle interferometric calculations which aim at determining the geometry of the boson emitting source from the measured momentum distri... | multiparticle symmetrization effects are contributions to the spectra of bose - symmetrized states which are not the product of pairwise correlations . usually they are neglected in particle interferometric calculations which aim at determining the geometry of the boson emitting source from the measured momentum distri... |
nucl-th9801009 | c | the zajc - pratt algorithm provides a simple technique for the calculation of multiparticle symmetrization effects in one- and two - particle spectra . based on this algorithm , we have studied to what extent multiparticle correlations steepen the slope of the one - particle and broaden the width of the two - particle ... | also , we explain how multiparticle effects modify the normalization of the two - particle correlator . the resulting normalization conserves event probabilities , which is not the case for the commonly used pair approximation . finally , we propose a new method of calculating bose - einstein weights from the output of... | multiparticle symmetrization effects are contributions to the spectra of bose - symmetrized states which are not the product of pairwise correlations . usually they are neglected in particle interferometric calculations which aim at determining the geometry of the boson emitting source from the measured momentum distri... |
astro-ph0406127 | i | the astrophysical theory of hydrodynamic winds began with the solar wind equations proposed by @xcite , also see @xcite . parker s model predicted that the pressure gradient between the sun s outer atmosphere and the interstellar medium would drive the wind . in subsequent years parker s solutions to the hydrodynamic e... | this structure is stable and robust despite the pulsational wave disturbances , and appears to be strongly self - regulated . observational studies support these conclusions . the numerical models also show that dust - free winds are nearly adiabatic , with little heating or cooling . an important process or group of p... | numerical models of the dynamically extended atmospheres of long period variable or mira stars have shown that their winds have a very simple , power law structure when averaged over the pulsation cycle . this structure is stable and robust despite the pulsational wave disturbances , and appears to be strongly self - r... |
astro-ph0209219 | i | the gamma - ray burst ( grb ) duration has a bimodal distribution ( mazets et al . 1981 ; norris et al . 1984 ; hurley 1992 ; kouveliotou et al . this indicates the existence of two distinct morphological classes of events , namely short - duration ( < 2 s ) bursts and long - duration ( > 2 s ) bursts . approxim... | observational data on the short grbs obtained with the ggs - wind konus experiment in the period from 1994 to 2002 are presented . evidence of an early x - ray and gamma - ray afterglow for some of the short grbs is discussed . the catalog is available electronically at http://www.ioffe.ru / lea / shortgrbs / catalog/. | observational data on the short grbs obtained with the ggs - wind konus experiment in the period from 1994 to 2002 are presented . the catalog currently includes 130 events , detailing their appearance rate , time histories , and energy spectra . evidence of an early x - ray and gamma - ray afterglow for some of the sh... |
astro-ph0009184 | i | the central @xmath1 pc of the galaxy host a phenomenon that is unique within the galaxy : narrow , `` vertical '' ( i.e. @xmath0 to the galactic plane ) filaments of radio emission that are typically a few tens of parsecs long and only a fraction of a parsec wide ( morris 1996 ) . polarization measurements indicate tha... | observations of narrow radio - emitting filaments near the galactic center have been interpreted in previous studies as evidence of a pervasive vertical ( i.e. to the galactic plane ) milligauss magnetic field in the central pc of the galaxy . a simple cylindrically symmetric model for the equilibrium in this central r... | observations of narrow radio - emitting filaments near the galactic center have been interpreted in previous studies as evidence of a pervasive vertical ( i.e. to the galactic plane ) milligauss magnetic field in the central pc of the galaxy . a simple cylindrically symmetric model for the equilibrium in this central r... |
astro-ph9811128 | i | by definition , gigahertz peaked spectrum ( gps ) sources have convex spectra with a turnover frequency @xmath2 ghz . it is generally accepted that such a spectral shape results from synchrotron self - absorption due to a high compactness . indeed , the linear sizes of gps sources are very small ( 101000 pc ) and the... | these sources were selected from jvas and other catalogues to have convex spectra between 1.4 and 8.4 ghz , characteristic of gigahertz peaked spectrum ( gps ) sources . we have confirmed convex shapes of the spectra of 76 objects ( one half of our initial candidates ) thereby yielding the largest genuine sample of g... | observations with merlin at 408 mhz have been used to establish the low - frequency part of the spectra of more than a hundred compact radio sources taken from the part of the jodrell bank vla astrometric survey limited by . these sources were selected from jvas and other catalogues to have convex spectra between 1.4... |
astro-ph9811128 | i | gigahertz peaked spectrum objects are an astrophysically significant and important class yet they are still not well understood ( odea 1998 ) . they are not necessarily a uniform class , and one can easily name subclasses among the whole gps ensemble . for example csos make one well defined group all of them are gps ... | observations with merlin at 408 mhz have been used to establish the low - frequency part of the spectra of more than a hundred compact radio sources taken from the part of the jodrell bank vla astrometric survey limited by . seven of 17 identified quasars in the sample have large ( ) redshifts . | observations with merlin at 408 mhz have been used to establish the low - frequency part of the spectra of more than a hundred compact radio sources taken from the part of the jodrell bank vla astrometric survey limited by . these sources were selected from jvas and other catalogues to have convex spectra between 1.4... |
1006.3829 | i | light is a natural candidate to transmit information across large networks due to its high speed and low propagation losses . a major obstacle to building more advanced optical networks is the lack of an all - optically controlled device that can robustly delay or store optical wave - packets over a tunable amount of t... | one of the major advances needed to realize all - optical information processing of light is the ability to delay or coherently store and retrieve optical information in a rapidly tunable manner . in the classical domain , such a system also has profound implications for quantum information processing , serving as a lo... | one of the major advances needed to realize all - optical information processing of light is the ability to delay or coherently store and retrieve optical information in a rapidly tunable manner . in the classical domain , this optical buffering is expected to be a key ingredient to managing the flow of information ove... |
quant-ph0607046 | i | one major obstacle to the fulfillment of the promise of quantum computing is the current scarcity of quantum algorithms . quantum computing researchers simply have not yet found enough quantum algorithms to determine whether or not future quantum computers will be general purpose or special purpose computing devices . ... | one of the most promising and versatile approaches to creating new quantum algorithms is based on the quantum hidden subgroup ( qhs ) paradigm , originally suggested by alexei kitaev . this class of quantum algorithms encompasses the deutsch - jozsa , simon , shor algorithms , and many more . in this paper , our st... | one of the most promising and versatile approaches to creating new quantum algorithms is based on the quantum hidden subgroup ( qhs ) paradigm , originally suggested by alexei kitaev . this class of quantum algorithms encompasses the deutsch - jozsa , simon , shor algorithms , and many more . in this paper , our st... |
astro-ph0311460 | i | the central @xmath2100 pc around the galactic center is an extremely complex region containing a variety of astrophysical activities : i.e. , cold and warm molecular clouds , star clusters / formation , supernova remnants ( snrs ) , and hii regions , to name a few . earlier galactic plane surveys with the _ tenma _ and... | over the last three years , the galactic center region has been monitored with the _ chandra x - ray observatory_. besides the x - ray emission from the target object , sgr a * , diffuse x - ray emission was detected throughout most of the 17 17 field of view . with 11 the detected elemental species of the galactic cen... | over the last three years , the galactic center region has been monitored with the _ chandra x - ray observatory_. besides the x - ray emission from the target object , sgr a * , diffuse x - ray emission was detected throughout most of the 17 17 field of view . with 11 _ chandra _ observations through 2002 june , the t... |
astro-ph0311460 | c | the bright , hard x - ray filaments to the northeast of sgr a * stand out for having strong neutral fe emission . the spectral characteristics of knot 1 , for example , are consistent with those of the sgr b2 and sgr c clouds , both of which have been plausibly described by an xrn model illuminated by past activity of ... | the detection of molecular cloud counterparts to the 6.4 kev fe line emitting features indicates that these fe line features are associated with dense galactic center clouds and/or active star - forming regions , which strongly supports the proposed origins of the x - ray reflection and/or supernova ejecta for the fe l... | over the last three years , the galactic center region has been monitored with the _ chandra x - ray observatory_. besides the x - ray emission from the target object , sgr a * , diffuse x - ray emission was detected throughout most of the 17 17 field of view . with 11 _ chandra _ observations through 2002 june , the t... |
astro-ph0110419 | i | butcher & oemler ( 1978a ; 1984 , hereafter bo84 ) found that the fraction of blue galaxies increases dramatically between redshifts @xmath1 = 0 and @xmath7 0.5 , now usually referred to as the butcher oemler effect ( hereafter bo effect ) . this trend has been confirmed by e.g. rakos & schombert , ellingson et al . ,... | photometric redshifts are used to determine the rest frame luminosity function ( lf ) of both early - type and late - type galaxies to -17.6 for the cluster cl1601 + 42 at = 0.54 . the total lf shows a steep faint - end slope -1.4 , indicating the existence of a numerous population of dwarf galaxies . = = = = = = = = ... | photometric redshifts are used to determine the rest frame luminosity function ( lf ) of both early - type and late - type galaxies to -17.6 for the cluster cl1601 + 42 at = 0.54 . the total lf shows a steep faint - end slope -1.4 , indicating the existence of a numerous population of dwarf galaxies . luminous galaxies... |
astro-ph0110419 | c | luminosity functions for galaxies fainter than @xmath97 have previously been determined for clusters to @xmath98 . comparing the lfs for coma at @xmath99 @xcite , a2554 at @xmath100 ( smith et al . 1997 ) , a963 at @xmath101 @xcite and ms2255.7 + 2039 at @xmath102 ( nslund et al . 2000 ) reveals that both nearby and di... | compared to clusters at lower redshift , the steepening of the faint end starts at brighter magnitudes for cl1601 + 42 , which may indicate a brightening of todays dwarf population relative to the giant population with increasing redshift . bright , late - type galaxies are rare , consistent with a decrease in star for... | photometric redshifts are used to determine the rest frame luminosity function ( lf ) of both early - type and late - type galaxies to -17.6 for the cluster cl1601 + 42 at = 0.54 . the total lf shows a steep faint - end slope -1.4 , indicating the existence of a numerous population of dwarf galaxies . luminous galaxies... |
astro-ph0110419 | c | using photometry in five broad - band filters we determine photometric redshifts for the galaxies in the field of cl1601 + 42 at @xmath186 . cluster membership can therefore be assigned with a higher reliability for the individual galaxies , which , compared to statistical methods , significantly reduces the amount of ... | luminous galaxies , with are mostly red , early - type galaxies , with a lf best described by a gaussian . faint galaxies are predominantly blue , late - type galaxies , well fitted by a schechter function with -1.7 . early - type galaxies are centrally concentrated , and dominate the core region , implying that the ra... | photometric redshifts are used to determine the rest frame luminosity function ( lf ) of both early - type and late - type galaxies to -17.6 for the cluster cl1601 + 42 at = 0.54 . the total lf shows a steep faint - end slope -1.4 , indicating the existence of a numerous population of dwarf galaxies . luminous galaxies... |
1512.03774 | i | the maximum of the nucleon vector analyzing power , @xmath3 , and the deuteron vector analyzing power , @xmath4 , in neutron - deuteron ( @xmath7 ) and proton - deuteron ( @xmath8 ) scattering are significantly underpredicted by existing three - body calculations at low energies ( nucleon laboratory energies below @xma... | polarization observables in neutron - deuteron scattering are calculated to next - to - next - to - next - to - leading order ( ) in pionless effective field theory ( ) . at the two - body-wave contact interactions are found to be important contributions to the neutron vector analyzing power , , and the deuteron vector... | polarization observables in neutron - deuteron scattering are calculated to next - to - next - to - next - to - leading order ( ) in pionless effective field theory ( ) . at the two - body-wave contact interactions are found to be important contributions to the neutron vector analyzing power , , and the deuteron vector... |
1109.5086 | i | the model of random interlacements was recently introduced by sznitman in @xcite in order to describe the local picture left by the trajectory of a random walk on the discrete torus @xmath6 , @xmath7 when it runs up to times of order @xmath8 , or on the discrete cylinder @xmath9 , @xmath10 , when it runs up to times of... | random interlacements ( at level ) is a one parameter family of random subsets of introduced by sznitman in . the vacant set at level is the complement of the random interlacement at level . while the random interlacement induces a connected subgraph of for all levels , the vacant set has a non - trivial phase transiti... | random interlacements ( at level ) is a one parameter family of random subsets of introduced by sznitman in . the vacant set at level is the complement of the random interlacement at level . while the random interlacement induces a connected subgraph of for all levels , the vacant set has a non - trivial phase transiti... |
hep-th0606066 | i | in this paper , the proposal in @xcite that the rank - three tensor model can be used as theory of dynamical fuzzy spaces is applied to dynamical generation of commutative nonassociative fuzzy spaces . it is numerically shown that fuzzy flat torus and fuzzy spheres of various dimensions are classical solutions of the r... | rank - three tensor model may be regarded as theory of dynamical fuzzy spaces , because a fuzzy space is defined by a three - index coefficient of the product between functions on it , . in this paper , this previous proposal is applied to dynamical generation of commutative nonassociative fuzzy spaces . it is numerica... | rank - three tensor model may be regarded as theory of dynamical fuzzy spaces , because a fuzzy space is defined by a three - index coefficient of the product between functions on it , . in this paper , this previous proposal is applied to dynamical generation of commutative nonassociative fuzzy spaces . it is numerica... |
1406.0274 | c | we developed a phase - reduction theory for limit - cycle solutions of infinite - dimensional rd systems and illustrated its validity by analyzing mutual synchronization of a pair of rd systems exhibiting rhythmic dynamics . our theory does not assume rigidity and spatial symmetry ; therefore , it is generally applicab... | we develop a phase - reduction theory for stable limit - cycle solutions of infinite - dimensional reaction - diffusion systems . by generalizing the notion of isochrons to functional space , the phase sensitivity function nontrivial phase response properties and synchronization dynamics are revealed , reflecting their... | reaction - diffusion systems can describe a wide class of rhythmic spatiotemporal patterns observed in chemical and biological systems , such as circulating pulses on a ring , oscillating spots , target waves , and rotating spirals . these rhythmic dynamics can be considered limit cycles of reaction - diffusion systems... |
1110.0845 | i | ghost imaging is a transverse active - imaging technique that exploits the correlation between two light beams to image a target without spatially - resolving measurements of the light beam that has undergone target interaction . the two beams are the signal , which interacts with the target and then is measured by a s... | recent work has indicated that ghost imaging may have applications in standoff sensing . however , most theoretical work has addressed transmission - based ghost imaging . to be a viable remote - sensing system , the ghost imager needs to image rough - surfaced targets in reflection through long , turbulent optical pat... | recent work has indicated that ghost imaging may have applications in standoff sensing . however , most theoretical work has addressed transmission - based ghost imaging . to be a viable remote - sensing system , the ghost imager needs to image rough - surfaced targets in reflection through long , turbulent optical pat... |
math0302200 | i | unlike chaos in finite dimensional systems , the area of chaos in partial differential equations has been a long standing open field . during the past ten years , there have been some remarkable developments in the area of chaos in partial differential equations by the author and collaborators . our main results can be... | recently , the author and collaborators have developed a systematic program for proving the existence of homoclinic orbits in partial differential equations . two typical forms of homoclinic orbits thus obtained are : ( 1 ) silnikov homoclinic orbits . around the transversal homoclinic orbits in infinite dimensional au... | recently , the author and collaborators have developed a systematic program for proving the existence of homoclinic orbits in partial differential equations . two typical forms of homoclinic orbits thus obtained are : ( 1 ) . transversal homoclinic orbits , ( 2 ) . silnikov homoclinic orbits . around the transversal ho... |
1207.6737 | i | this paper is about an efficient numerical solver for elliptic boundary value problems in piecewise smooth domains . such a solver is useful for applications in physics and engineering , where computational domains of interest often have boundaries that contain singular points such as corners and triple junctions . fur... | recursively compressed inverse preconditioning ( rcip ) is a numerical method for obtaining highly accurate solutions to integral equations on piecewise smooth surfaces . the purpose of the present paper is threefold : first , to review the rcip method in a simple setting . second , to show how easily the method can be... | recursively compressed inverse preconditioning ( rcip ) is a numerical method for obtaining highly accurate solutions to integral equations on piecewise smooth surfaces . the method originated in 2008 as a technique for solving laplace s equation in two - dimensional domains with corners . in a series of subsequent pap... |
1207.6737 | i | the line of research on fast solvers for elliptic boundary value problems in piecewise smooth domains , leading up to the rcip method , grew out of work in computational fracture mechanics . early efforts concerned finding efficient integral equation formulations . corner singularities were either resolved with brute f... | the method originated in 2008 as a technique for solving laplace s equation in two - dimensional domains with corners . in a series of subsequent papers the technique was then refined and extended in various directions as to cover a broad range of boundary value problems in physics and engineering . | recursively compressed inverse preconditioning ( rcip ) is a numerical method for obtaining highly accurate solutions to integral equations on piecewise smooth surfaces . the method originated in 2008 as a technique for solving laplace s equation in two - dimensional domains with corners . in a series of subsequent pap... |
1502.02938 | i | within the quantum world , the question what quantities can be measured in an experiment is often a non - trivial one , e.g. , measuring time correlators ( with times @xmath0 ) requires finding the correct ordering of operators . concrete examples in mesoscopic physics and quantum optics are the measurements of charge ... | repeated measurements as typically occurring in two- or multi - time correlators rely on von neumann s projection postulate , telling how to restart the system after an intermediate measurement . we invoke the principle of deferred measurement to describe an alternative procedure where co - evolving quantum memories ex... | repeated measurements as typically occurring in two- or multi - time correlators rely on von neumann s projection postulate , telling how to restart the system after an intermediate measurement . we invoke the principle of deferred measurement to describe an alternative procedure where co - evolving quantum memories ex... |
1105.6343 | i | magnetic reconnection is one of the most important processes in plasma physics . it appears in a variety of phenomena in geo / astrophysics and fusion physics , which include dynamo , solar and stellar flares , magnetospheric substorms , disruptions in fusion devices , etc . in the framework of magnetohydrodynamics ( m... | roles of turbulence in the context of magnetic reconnection are investigated with special emphasis on the mutual interaction between flow ( large - scale inhomogeneous structure ) and turbulence . in order to evaluate the effective transport due to turbulence , in addition to the _ intensity _ information of turbulence... | roles of turbulence in the context of magnetic reconnection are investigated with special emphasis on the mutual interaction between flow ( large - scale inhomogeneous structure ) and turbulence . in order to evaluate the effective transport due to turbulence , in addition to the _ intensity _ information of turbulence... |
1202.4357 | i | recent advances in the observational cosmology make it real to start probing the most intriguing aspects of the universe . in particular , it is of importance to inquire whether the statistical isotropy of the scalar perturbations is exact or only approximate . this issue is of special interest because the statistical ... | search for the statistical anisotropy in the cmb data is a powerful tool for constraining models of the early universe . in this paper we focus on the recently proposed cosmological scenario with conformal rolling . we consider two sub - scenarios , one of which involves a long intermediate stage between conformal roll... | search for the statistical anisotropy in the cmb data is a powerful tool for constraining models of the early universe . in this paper we focus on the recently proposed cosmological scenario with conformal rolling . we consider two sub - scenarios , one of which involves a long intermediate stage between conformal roll... |
astro-ph0607427 | c | in this paper , limits to the diffuse flux from seven different agn source classes could be derived from point source stacking limits from amanda . there is in many cases an additional constraint on flux models at the lowest energies : while the general diffuse limit is restricted to the energy band of @xmath22 gev to... | second generation high energy neutrino telescopes are being built to reach sensitivities of neutrino emission from galactic and extragalactic sources . current neutrino detectors are already able to set limits which are in the range of some emission models . in particular , the * a*ntarctic * m*uon * a*nd * n*eutrino *... | second generation high energy neutrino telescopes are being built to reach sensitivities of neutrino emission from galactic and extragalactic sources . current neutrino detectors are already able to set limits which are in the range of some emission models . in particular , the * a*ntarctic * m*uon * a*nd * n*eutrino *... |
1504.01911 | i | coherent emission by pulsars usually has a flux density @xmath1 in the frequency interval @xmath2 mhz with a typical spectral index @xmath3 . it is remarkable that this is true over intervals of three orders of magnitude in the rotation period @xmath4 and five orders of magnitude in the spin - down inferred magnetic di... | the primary emission spectra are broadly universal in form over many orders of magnitude in rotation period and polar - cap magnetic flux density . the existence of nulls and mode - changes in some radio - loud pulsars can be understood only as a manifestation of magnetospheric bistability . [ firstpage ] instabilit... | several classes of neutron star are sources of coherent emission at frequencies of mhz : others are radio - quiet . the primary emission spectra are broadly universal in form over many orders of magnitude in rotation period and polar - cap magnetic flux density . the existence of nulls and mode - changes in some radio ... |
1504.01911 | c | the ideas summarized in section 2.1 are based on well - established nuclear physics and in our view there can be no serious doubt that an ion - proton plasma is produced at the polar cap of an @xmath13 neutron star . the motivation for the series of papers cited there was the belief that the problem of plasma compositi... | an ion - proton plasma with a possible background of electron - positron pairs is formed at the polar caps of stars with positive corotational charge density and is shown here to be a physical basis for the presence or absence of coherent emission and a likely reason why bistability may be present in the later stages o... | several classes of neutron star are sources of coherent emission at frequencies of mhz : others are radio - quiet . the primary emission spectra are broadly universal in form over many orders of magnitude in rotation period and polar - cap magnetic flux density . the existence of nulls and mode - changes in some radio ... |
nucl-th0002017 | i | the relativistic mean - field ( rmf ) theory @xcite has proved to be successful in providing a framework for description of various facets of nuclear properties @xcite . in the rmf theory , the nuclear force is produced by a virtual exchange of various mesons . the nuclear saturation is achieved by a balance between an... | we have introduced nonlinear vector self - coupling of-meson in the rhb theory . it is shown that the inclusion of the vector self - coupling of-meson in addition to the nonlinear scalar coupling of-meson provides a good agreement with the experimental data on shell effects in nuclei about the stability line . . = c... | shell effects in nuclei about the stability line are investigated within the framework of the relativistic hartree - bogoliubov ( rhb ) theory with self - consistent finite - range pairing . using 2-neutron separation energies of ni and sn isotopes , the role of- and-meson couplings on the shell effects in nuclei is ex... |
nucl-th0002017 | i | we have studied the shell effects in nuclei about the stability line in the rmf theory . the chains of ni and sn isotopes have been considered , where experimental data over a large range of isospin are available . first , employing the existing forces nl - sh and nl3 with the non - linear scalar self - coupling of @xm... | shell effects in nuclei about the stability line are investigated within the framework of the relativistic hartree - bogoliubov ( rhb ) theory with self - consistent finite - range pairing . using 2-neutron separation energies of ni and sn isotopes , the role of- and-meson couplings on the shell effects in nuclei is ex... | shell effects in nuclei about the stability line are investigated within the framework of the relativistic hartree - bogoliubov ( rhb ) theory with self - consistent finite - range pairing . using 2-neutron separation energies of ni and sn isotopes , the role of- and-meson couplings on the shell effects in nuclei is ex... |
1511.02026 | i | elastic network models of proteins , including all - atom models@xcite and coarse - grained models@xcite represent some of the simplest and most powerful types of theoretical models that can accurately reveal structure - dynamics relationships and the mechanisms underlying a protein s functional activities @xcite . suc... | simple elastic network models of dna were developed to reveal the structure - dynamics relationships for several nucleotide sequences . second , we propose a coarse - grained elastic network model of dna , where each nucleotide is described only by one node . , we exhaustively analyzed the dynamic features of a large n... | simple elastic network models of dna were developed to reveal the structure - dynamics relationships for several nucleotide sequences . first , we propose a simple all - atom elastic network model of dna that can explain the profiles of temperature factors for several crystal structures of dna . second , we propose a c... |
1511.02026 | i | in this study , simple elastic network models of double - stranded dnas were developed in order to perform an exhaustive analysis of several sequence - dependent dynamical features . first , we constructed a simple all - atom elastic network model that could reproduce the fluctuations of the motifs of each nucleotide (... | first , we propose a simple all - atom elastic network model of dna that can explain the profiles of temperature factors for several crystal structures of dna . this model could effectively reproduce the detailed dynamics obtained with the all - atom elastic network model according to the sequence - dependent geometry ... | simple elastic network models of dna were developed to reveal the structure - dynamics relationships for several nucleotide sequences . first , we propose a simple all - atom elastic network model of dna that can explain the profiles of temperature factors for several crystal structures of dna . second , we propose a c... |
1508.00121 | l | let us consider the tensor field @xmath33 , the _ mass - momentum - energy density - flux third order four - tensor _ of a single component fluid . we assume that the tensor field is symmetric in the second and third order , as it is indicated by the symbol @xmath34 . in the following we do not explicitly denote this s... | the usual basic fields of mass , momentum , energy and their current densities , the heat flux , pressure tensor and diffusion flux are the time- and spacelike components of the third order mass - momentum - energy density - flux four - tensor . the corresponding galilean transformation rules of the physical quantities... | single component nonrelativistic dissipative fluids are treated independently of reference frames and flow - frames . first the basic fields and their balances , then the related thermodynamic relations and the entropy production are calculated and the linear constitutive relations are given . the usual basic fields... |
1703.01174 | i | the shockley - queisser efficiency limit for single - junction solar cells@xcite can be circumvented@xcite by a molecular process called singlet fission in which an optically excited singlet state is converted into a pair of triplet excitons , which are transiently correlated in a spin - zero state . the prospect of en... | singlet fission , the molecular process through which photons are effectively converted into pairs of lower energy triplet excitons , holds promise as a means of boosting photovoltaic device efficiencies . in the preceding article of this series , we formulated a vibronic theory of singlet fission , inspired by previou... | singlet fission , the molecular process through which photons are effectively converted into pairs of lower energy triplet excitons , holds promise as a means of boosting photovoltaic device efficiencies . in the preceding article of this series , we formulated a vibronic theory of singlet fission , inspired by previou... |
astro-ph0207409 | i | type ia supernovae ( sne ia ) offer arguably the most precise method to measure cosmological distances . over the last ten years , these highly luminous explosions have been used to determine distances accurate to @xmath6 , despite the fact that we know little about their progenitors . these objects show considerable ... | sn 1999aw was discovered during the first campaign of the nearby galaxies supernova search ( _ ngss _ ) project . secondly , the photometric and spectral properties of this supernova indicate that it very likely was similar to the subclass of type ia supernovae whose prototype is sn 1999aa . this paper presents the _... | sn 1999aw was discovered during the first campaign of the nearby galaxies supernova search ( _ ngss _ ) project . this luminous , slow - declining ( ) type ia supernova was noteworthy in at least two respects . first , it occurred in an extremely low luminosity host galaxy that was not visible in the template images ,... |
1001.2757 | i | solar prominences ( a.k.a . filaments ) are relatively cool structures embedded in the million - degree corona at heights well above the chromosphere . above the solar limb , prominences appear as bright structures against the dark background , but when viewed as filaments on the solar disk they can be brighter or dar... | solar prominences are an important tool for studying the structure and evolution of the coronal magnetic field . here we consider so - called `` hedgerow '' prominences , which consist of thin vertical threads . we explore the possibility that such prominences are supported by tangled magnetic fields . a variety of dif... | solar prominences are an important tool for studying the structure and evolution of the coronal magnetic field . here we consider so - called `` hedgerow '' prominences , which consist of thin vertical threads . we explore the possibility that such prominences are supported by tangled magnetic fields . a variety of dif... |
1001.2757 | i | we propose that hedgerow prominences are supported by magnetic fields that are `` tangled '' on a spatial scale of 1 mm or less . a key feature of the model is that the plasma is approximately in magnetostatic balance , therefore , the model is different from earlier models in which the plasma is supported by mhd - wav... | tangled fields with field strengths of about 10 g are able to support prominence threads with observed hydrogen density of the order of . finally , we suggest that the observed vertical threads are the result of rayleigh - taylor instability . simulations of the density distribution within a prominence thread indicate ... | solar prominences are an important tool for studying the structure and evolution of the coronal magnetic field . here we consider so - called `` hedgerow '' prominences , which consist of thin vertical threads . we explore the possibility that such prominences are supported by tangled magnetic fields . a variety of dif... |
1401.1297 | i | in this article we study the coupling of the free dirac operator with measure - valued potentials developed in @xcite . the aim of the present work is to give spectral properties of these couplings and to investigate the phenomenon of confinement . given @xmath4 , the free dirac operator in @xmath2 is defined by @xmath... | spectral properties and the confinement phenomenon for the coupling are studied , where is the free dirac operator in and is a measure - valued potential . the potentials under consideration are given in terms of surface measures on the boundary of bounded regular domains in . a criterion for the existence of point ... | spectral properties and the confinement phenomenon for the coupling are studied , where is the free dirac operator in and is a measure - valued potential . the potentials under consideration are given in terms of surface measures on the boundary of bounded regular domains in . a criterion for the existence of point ... |
nucl-th9509027 | i | the measurement of almost complete sets of spin observables has become technically feasible because newly developed polarized electron or photon beams and polarized targets offer high enough luminosity to permit measurement of the relevant observables . the reaction @xmath1 is particularly advantageous , since the angu... | these general features , such as the energy dependence of spin observables and the location of nodes in their angle dependence , are realized . several instructive surprises , which occur in this comparison to the conjectures of fasano et al . , are then discussed . the sensitivity of spin observables to isobar and _ t... | spin observables for the reaction are examined using three recent dynamical models and are compared to the general features of such observables deduced earlier by fasano , tabakin and saghai . these general features , such as the energy dependence of spin observables and the location of nodes in their angle dependence ... |
1311.7090 | i | _ this section introduces , exemplifies and discusses the concept of _ refinement by interpretation _ the core contribution of the paper framed in the specific , but popular , setting of algebraic specification over the institution of horn clause logic . _ this section introduces refinement by logical interpretation ... | stepwise refinement of algebraic specifications is a well known formal methodology for program development . however , traditional notions of refinement based on signature morphisms are often too rigid to capture a number of relevant transformations in the context of software design , reuse , and adaptation . this allo... | stepwise refinement of algebraic specifications is a well known formal methodology for program development . however , traditional notions of refinement based on signature morphisms are often too rigid to capture a number of relevant transformations in the context of software design , reuse , and adaptation . this pape... |
1412.5363 | i | in modeling of physical phenomena , stochastic differential equations are required to quantify the effects of randomness on the mathematical model . taking the context of electromagnetism as an example , to model precise microscopic origins of randomness ( the thermal motion of electrically charged microparticles ) , @... | stochastic maxwell equations with additive noise are a system of stochastic hamiltonian partial differential equations intrinsically , possessing the stochastic multi - symplectic conservation law . we propose three novel stochastic multi - symplectic methods to discretize stochastic maxwell equations in order to inves... | stochastic maxwell equations with additive noise are a system of stochastic hamiltonian partial differential equations intrinsically , possessing the stochastic multi - symplectic conservation law . it is shown that the averaged energy increases linearly with respect to the evolution of time and the flow of stochastic ... |
1412.5363 | c | in this paper , we firstly studied some properties of continuous system of stochastic maxwell equations driven by an additive noise . by using a direct approach , we rewrite stochastic maxwell equations into the form of stochastic hamiltonian pdes , and we show that they preserve stochastic multi - symplectic structure... | it is shown that the averaged energy increases linearly with respect to the evolution of time and the flow of stochastic maxwell equations with additive noise preserves the divergence in the sense of expectation . moreover , meanwhile , we obtain the corresponding dissipative property of the discrete averaged energy sa... | stochastic maxwell equations with additive noise are a system of stochastic hamiltonian partial differential equations intrinsically , possessing the stochastic multi - symplectic conservation law . it is shown that the averaged energy increases linearly with respect to the evolution of time and the flow of stochastic ... |
1507.02195 | i | improved experimental techniques have made it possible to measure molecular fluctuations at a small scale , creating a need for a stochastic description of molecular data @xcite . typically , biochemical reaction networks are modelled as deterministic systems of ordinary differential equations ( odes ) , but these mode... | stochastic reaction networks are dynamical models of biochemical reaction systems and form a particular class of continuous - time markov chains on . here we provide a fundamental characterisation that connects structural properties of a network to its dynamical features . specifically , we define the notion of ` stoch... | stochastic reaction networks are dynamical models of biochemical reaction systems and form a particular class of continuous - time markov chains on . here we provide a fundamental characterisation that connects structural properties of a network to its dynamical features . specifically , we define the notion of ` stoch... |
0904.1488 | i | [ [ the - problem . ] ] * the problem . * + + + + + + + + + + + + + + lamport s criticism @xcite of the next - time operator @xmath2 in @xmath1/@xmath6 arouse the interest in studying temporal logics like @xmath0/@xmath7 , obtained from @xmath1/@xmath6 by removing the next - time operator , and related notions of be... | stuttering bisimulation is a well - known behavioral equivalence that preserves , namely without the next - time operator . correspondingly , the stuttering simulation preorder induces a coarser behavioral equivalence that preserves the existential fragment , namely without the next - time and globally operators . whil... | stuttering bisimulation is a well - known behavioral equivalence that preserves , namely without the next - time operator . correspondingly , the stuttering simulation preorder induces a coarser behavioral equivalence that preserves the existential fragment , namely without the next - time and globally operators . whil... |
1004.5546 | c | we have described the interaction of linear gravity - capillary waves with a counter - flow , with emphasis on the various horizon effects ( wave blocking in fluid - mechanics terminology ) . the case of waves with negative co - moving frequency has been included throughout ; these waves are crucial for the hawking eff... | some of these effects are familiar in fluid mechanics under the name of wave blocking , but other aspects , in particular waves with negative co - moving frequency and the hawking effect , were overlooked until surface waves were investigated as examples of analogue gravity [ schtzhold r and unruh w g 2002 _ phys . a c... | surface waves on a stationary flow of water are considered , in a linear model that includes the surface tension of the fluid . the resulting gravity - capillary waves experience a rich array of horizon effects when propagating against the flow . in some cases three horizons ( points where the group velocity of the wav... |
1504.02055 | m | [ calc ] [ qrhf ] we use a quasirelativistic approximation for _ ab initio _ calculations of ion energy spectra . this approach significantly differs from widely used method described in @xcite . in our method , the radial orbitals ( ro ) are obtained by solving the quasirelativistic equations of the following ... | the breit - pauli approximation for quasirelativistic hartree - fock radial orbitals was employed to take into account relativistic effects . the energy level spectra , radiative lifetimes , lande factors were calculated for the , and configurations of w ion . the atomic data , namely , the transition wavelengths , spo... | the ab initio quasirelativistic hartree - fock method developed specifically for the calculation of spectral parameters of heavy atoms and highly charged ions was applied to determine atomic data for tungsten ions . the correlation effects were included by adopting configuration interaction method . the breit - pauli a... |
1608.05593 | i | soar adaptive module ( sam ) is a facility adaptive optics ( ao ) instrument at the 4.1-m southern astrophysical research telescope , soar . it improves the natural seeing by partial compensation of turbulence near the ground . although various aspects of sam have been covered in the literature , there has been no sing... | the adaptive module of the 4.1-m soar telescope , sam , corrects ground - layer turbulence using a uv laser guide star . this paper describes the sam system as a whole , providing essential reference for its users and technical information of interest to instrumentalists . operation of the instrument , its performance ... | the adaptive module of the 4.1-m soar telescope , sam , corrects ground - layer turbulence using a uv laser guide star . it has been commissioned in 2013 and it is in regular science operation since 2014 . sam works with the ccd imager covering a field or with the speckle camera . it operates routinely and stably , del... |
astro-ph9908203 | i | the age difference between the two major globular cluster sub populations in an early type galaxy has been determined . we have developed an age differentiating method which uses the precise to magnitudes and colors of the sub populations . we have applied this method to ngc 4472 , matching our observables to sever... | the age difference between the two main globular cluster sub populations in the virgo giant elliptical galaxy , ngc 4472 ( m 49 ) , has been determined using hst wfpc2 images in the f555w and f814w filters . the metal poor and the metal rich globular clusters are found to be coeval within the errors ( gyr ) . if o... | the age difference between the two main globular cluster sub populations in the virgo giant elliptical galaxy , ngc 4472 ( m 49 ) , has been determined using hst wfpc2 images in the f555w and f814w filters . accurate photometry has been obtained for several hundred globular clusters in each of the two main sub popu... |
math9804046 | i | stellar moves were first considered by alexander ( @xcite ) who proved that they can relate any two triangulations of a polyhedron . alexander s moves were refined to a finite set of local ( bistellar ) moves which still act transitively on the triangulations of manifolds , according to pachner ( @xcite ) . using pachn... | one constructs a surjection from this set onto the the bordism group of codimension one immersions in the manifold . the connected sums of manifolds and immersions induce multiplicative structures which are respected by this surjection . we prove that those cubulations which map combinatorially into the standard decomp... | the aim of this paper ( inspired from a problem of habegger ) is to describe the set of cubical decompositions of compact manifolds mod out by a set of combinatorial moves analogous to the bistellar moves considered by pachner , which we call bubble moves . one constructs a surjection from this set onto the the bordism... |
1406.0550 | c | we have shown that the washington c filter that is very broad and specifically designed for cn / ch is a powerful tool for detecting mps in gcs . this provides a great advantage for photometrically studying mps because the previous methods have either used extremely high precision hst photometry or inefficient ground -... | the analysis of multiple populations ( mps ) in globular clusters ( gcs ) has become a forefront area of research in astronomy . uv photometry has been crucial in discovering and analyzing these mps , but the johnson u and the stromgren and sloan u filters that have generally been used are relatively inefficient and ve... | the analysis of multiple populations ( mps ) in globular clusters ( gcs ) has become a forefront area of research in astronomy . multiple red giant branches ( rgbs ) , subgiant branches ( sgbs ) , and even main sequences ( mss ) have now been observed photometrically in many gcs , while broad abundance distributions of... |
gr-qc0607037 | c | in this work we have continued the two - dimensional approach to relativistic positioning systems initiated in @xcite . in that work we explained the basic features of these systems , we studied in detail the positioning system defined by two geodesic emitters in flat space - time , and we showed that in an arbitrary s... | d * 73 * , 084017 ( 2006 ) ] where geodesic positioning systems , constituted by two geodesic emitters , have been considered in a flat space - time . here , we want to show in what precise senses positioning systems allow to make _ relativistic gravimetry_. for this purpose , we consider stationary positioning systems... | the basic elements of the relativistic positioning systems in a two - dimensional space - time have been introduced in a previous work [ phys . rev . d * 73 * , 084017 ( 2006 ) ] where geodesic positioning systems , constituted by two geodesic emitters , have been considered in a flat space - time . here , we want to s... |
patt-sol9708003 | i | coupled nonlinear oscillators in the form of arrays arise in many branches of science . these coupled arrays are often used to model very many spatially extended dynamical systems explaining reaction - diffusion processes . one can visualize such an array as an assembly of a number of subsystems coupled to their neighb... | we study the spatio - temporal dynamics in one and two dimensional arrays of coupled mlc circuits both in the absence as well as in the presence of external periodic force . in the absence of any external force , we also study the effect of weak coupling on the propagation phenomenon in one dimensional array which resu... | the circuit recently proposed by murali , lakshmanan and chua ( mlc ) is one of the simplest non - autonomous nonlinear electronic circuits which shows a variety of dynamical phenomena including various bifurcations , chaos and so on . in this paper we study the spatio - temporal dynamics in one and two dimensional arr... |
patt-sol9708003 | c | in this paper we have discussed various spatiotemporal behaviours of the coupled array of murali - lakshmanan - chua circuits in one and two dimensions . in the first part we have reported the propagation phenomenon of the travelling wave fronts and failure mechanism in the absence of external forcing . we have shown t... | we have shown that the propagation of travelling wave front is due to the loss of stability of the steady states ( stationary front ) via subcritical bifurcation coupled with the presence of necessary basin of attraction of the steady states . we show that a transition from hexagonal to rhombic structures occur by the ... | the circuit recently proposed by murali , lakshmanan and chua ( mlc ) is one of the simplest non - autonomous nonlinear electronic circuits which shows a variety of dynamical phenomena including various bifurcations , chaos and so on . in this paper we study the spatio - temporal dynamics in one and two dimensional arr... |
1010.4978 | i | the production amplitude for pseudo - scalar meson photoproduction involves eight complex amplitudes which depend on the spin states of the photon and target and final - state baryons . the reaction can be simplified by considering the parity invariance of the strong and electromagnetic interactions , reducing the numb... | the complete expression for the intensity in pseudo - scalar meson photoproduction with a polarized beam , target , and recoil baryon is derived using a density matrix approach that offers great economy of notation . a cartesian basis with spins for all particles quantized along a single direction , the longitudinal be... | the complete expression for the intensity in pseudo - scalar meson photoproduction with a polarized beam , target , and recoil baryon is derived using a density matrix approach that offers great economy of notation . a cartesian basis with spins for all particles quantized along a single direction , the longitudinal be... |
1309.7901 | i | of generalized reed solomon codes comes in multiple flavors . among the most widely - deployed techniques for decoding up to @xmath0 errors , where @xmath1 is the length and @xmath2 is the dimension of the code , is decoding based on linear shift register synthesis with the berlekamp massey algorithm @xcite . other t... | sudan interpolation step for generalized reed solomon codes . the new type of sierpinski prefactors is introduced . it is shown that both types of prefactors can be combined and how arbitrary prefactors can be used to derive a _ reduced _ guruswami sudan interpolation step . generalized reed solomon codes , gurus... | the concept of prefactors is considered in order to decrease the complexity of the guruswami sudan interpolation step for generalized reed solomon codes . it is shown that the well - known re - encoding projection due to ktter et al . leads to one type of such prefactors . the new type of sierpinski prefactors is in... |
1311.6107 | i | learning ( rl ) is a machine learning technique that has been widely studied from the computational intelligence and machine learning scope in the artificial intelligence community @xcite . rl technique refers to an actor or agent that interacts with its environment and aims to learn the optimal actions , or control po... | the control design problem is considered for nonlinear systems with unknown internal system model . it is known that the nonlinear control problem can be transformed into solving the so - called hamilton - jacobi - isaacs ( hji ) equation , which is a nonlinear partial differential equation that is generally impossible... | the control design problem is considered for nonlinear systems with unknown internal system model . it is known that the nonlinear control problem can be transformed into solving the so - called hamilton - jacobi - isaacs ( hji ) equation , which is a nonlinear partial differential equation that is generally impossible... |
1311.6107 | c | a nn - based off - policy rl method has been developed to solve the @xmath0 control problem of continuous - time systems with unknown internal system model . based on the model - based spua , an off - policy rl method is derived , which can learn the solution of hji equation from the system data generated by arbitrary ... | is employed and a least - square nn weight update algorithm is derived based on the method of weighted residuals . finally , the developed nn - based off - policy rl method is tested on a linear f16 aircraft plant , and further applied to a rotational / translational actuator system . | the control design problem is considered for nonlinear systems with unknown internal system model . it is known that the nonlinear control problem can be transformed into solving the so - called hamilton - jacobi - isaacs ( hji ) equation , which is a nonlinear partial differential equation that is generally impossible... |
1609.03945 | r | + in the present section , we will report the position of the nearest avoided crossing along the real axis within ( or outside ) the unit circle , as calculated using either @xmath59 in [ hf_cc_jacobian ] for the hf([@xmath19@xmath17 ) series or @xmath85 in [ e_cc_jacobian ] for the ccsd([@xmath19@xmath17 ) series (... | _ , j. chem . phys . * 140 * , 064108 ( 2014 ) ] , in which the energetic difference between a parent and a target cc model is expanded in orders of the mller - plesset ( mp ) fluctuation potential , is investigated for four prototypical closed - shell systems ( ne , singlet ch , distorted hf , and f ) in standard and ... | the convergence of a recently proposed coupled cluster ( cc ) family of perturbation series [ eriksen _ et al . _ , j. chem . phys . * 140 * , 064108 ( 2014 ) ] , in which the energetic difference between a parent and a target cc model is expanded in orders of the mller - plesset ( mp ) fluctuation potential , is inves... |
1609.03945 | i | the radius of convergence of various hf- and cc - based mp perturbation expansions with different cc target states has been determined for a selection of prototypical closed - shell examples that are known from the literature to have slowly convergent or even divergent mp series . in particular , we have probed for the... | furthermore , we find that whereas a cc perturbation series might converge within standard correlation consistent basis sets , it may start to diverge whenever these become augmented by diffuse functions , similar to the mp case . however , unlike for the mp case , such potential divergences are not found to invalidate... | the convergence of a recently proposed coupled cluster ( cc ) family of perturbation series [ eriksen _ et al . _ , j. chem . phys . * 140 * , 064108 ( 2014 ) ] , in which the energetic difference between a parent and a target cc model is expanded in orders of the mller - plesset ( mp ) fluctuation potential , is inves... |
1511.05534 | i | cosmological observations strongly support the standard model of cosmology with the initial conditions which are nearly isotropic , gaussian , adiabatic and scale invariant . however it is crucial to test the properties of initial conditions with different observations and on different scales . in this work we have pro... | we show that the cmb lensing potential and convergence and also the cross - correlation of the cmb lensing and late time galaxy convergence can probe the amplitude and the scale dependence of the dipole modulation . as another example we show that the cmb lensing and the cross - correlation of the cmb lensing and galax... | the cosmic microwave background ( cmb ) radiation lensing is a promising tool to study the physics of early universe . in this work we probe the imprints of deviations from isotropy and scale invariance of primordial curvature perturbation power spectrum on cmb lensing potential and convergence . specifically , we cons... |
1103.0566 | r | to get the necessary conditions for a real sequence of points to be interpolating or sampling , we use the technique developed by ramanathan and steger @xcite ( see also ( * ? ? ? * lemma 4 ) ) . since we have canonical orthonormal bases in de branges spaces , this theorem is easily applicable . let @xmath0 be a hermit... | specifically , the square norm is computed on the real line with respect to weights given by the values of certain entire functions . for the paley - wiener space , this can be chosen to be an exponential function where the phase increases linearly . as our main result , we establish a natural geometric characterisatio... | the de branges spaces of entire functions generalise the classical paley - wiener space of square summable bandlimited functions . specifically , the square norm is computed on the real line with respect to weights given by the values of certain entire functions . for the paley - wiener space , this can be chosen to be... |
1612.08263 | i | in our big data era , various networks generate massive amounts of streaming data . examples include wireless sensor networks , where a large number of inexpensive sensors cooperate to monitor , e.g. the environment @xcite , or data centers , where a group of servers collaboratively handles dynamic user requests @xcite... | each node performs local data - adaptive censoring to reduce computations , while exchanging its local estimate with neighbors so as to consent on a network - wide solution . numerical experiments validate the effectiveness of the proposed algorithms in reducing computation and communication overhead . decentralized... | the deluge of networked data motivates the development of algorithms for computation- and communication - efficient information processing . in this context , three data - adaptive censoring strategies are introduced to considerably reduce the computation and communication overhead of decentralized recursive least - sq... |
hep-th9610003 | i | the ising model @xcite is , without doubt , one of the most frequently studied and best understood lattice models of classical statistical mechanics . although onsager s solution @xcite of the two - dimensional ising model without external field dates back half a century already , no analytic solution of the 2d ising ... | it can be regarded as a solvable version of an ising model at the critical temperature in a magnetic field . one therefore expects the scaling limit to be governed by zamolodchikov s integrable perturbation of the conformal field theory . indeed , a recent thermodynamic bethe ansatz approach succeeded to unveil the cor... | the dilute model is a solvable irf ( interaction round a face ) model with three local states and adjacency conditions encoded by the dynkin diagram of the lie algebra . it can be regarded as a solvable version of an ising model at the critical temperature in a magnetic field . one therefore expects the scaling limit t... |
1505.06138 | i | cloaking of objects from detection by waves governed by the helmholtz equation is nowadays regarded as an interesting and important problem ( see , for example , @xcite , @xcite ) . the cloaking methods , well - developed for the helmholtz operator , have also been extended to advanced structured media in electromagnet... | we show that such cloaking can indeed be effective in the region of strong scattering resonances . we give closed form analytic expressions for the required amplitudes of the active cloaking sources in the three frequency regions and provide asymptotic estimates and numerical illustrations . * active cloaking of res... | the dynamic response of a coated inclusion is considered in the context of active cloaking . the active cloak is achieved for a coated inclusion in the presence of membrane and flexural waves . in this paper , we investigate the design of an active cloak for a coated inclusion in three frequency regimes : the very low ... |
1001.4893 | i | quadrupole collectivity is one of the most relevant features of nuclear structure @xcite . in this context , the theoretical understanding of the evolution of the nuclear shapes , and the structural changes associated with it , represent an active research field @xcite . from the experimental side , low - lying spectro... | the evolution of the nuclear shapes along the triaxial landscape is studied in the pt isotopic chain using the selfconsistent hartree - fock - bogoliubov approximation based on the gogny interaction . the considered range of neutron numbers includes prolate , triaxial , oblate and spherical ground state shapes and serv... | the evolution of the nuclear shapes along the triaxial landscape is studied in the pt isotopic chain using the selfconsistent hartree - fock - bogoliubov approximation based on the gogny interaction . in addition to the parametrization d1s , the new incarnations d1n and d1 m of this force are also included in our analy... |
0808.3642 | c | we have grown epitaxial zn@xmath0fe@xmath1o@xmath2 thin films ( @xmath3 ) with excellent structural properties both in pure ar atmosphere and an ar / o@xmath4 mixture using laser molecular beam epitaxy . we show that the electrical conductivity and the saturation magnetization can be tuned over a wide range ( @xmath6/f... | the ferrimagnetic spinel oxide znfeo combines high curie temperature and spin polarization with tunable electrical and magnetic properties , making it a promising functional material for spintronic devices . we have grown epitaxial znfeo thin films ( ) on mgo(001 ) substrates with excellent structural properties both i... | the ferrimagnetic spinel oxide znfeo combines high curie temperature and spin polarization with tunable electrical and magnetic properties , making it a promising functional material for spintronic devices . we have grown epitaxial znfeo thin films ( ) on mgo(001 ) substrates with excellent structural properties both i... |
nucl-th9701060 | i | in the relativistic ( or dirac- ) brueckner model the dynamical two - nucleon correlations in infinite nuclear matter are studied . the formalism is based on an effective quantum field theory for mesons and nucleons @xcite and thus ignores the underlying quark nature of the nucleon . in the brueckner model the t - matr... | the formalism of the relativistic ( or dirac- ) brueckner approach in infinite nuclear matter is described . an ambiguity arises in the relativistic brueckner approach which is discussed here in terms of the pseudo - scalar and the pseudo - vector projection . the influence of the coupling of the nucleon via the t - ma... | the formalism of the relativistic ( or dirac- ) brueckner approach in infinite nuclear matter is described . as nucleon - nucleon interaction the one - boson exchange potentials bonn a , b , c and for comparison the walecka model are used . the t - matrix is determined from the thompson equation and is projected onto f... |
nucl-th9701060 | i | in this work in particular the self - energy of a nucleon inside the nuclear medium has been studied in the framework of the relativistic brueckner approach . therefore the dependence of the lorentz scalar and vector self - energy components on the nuclear density and the nucleon momentum have been examined . as bare n... | as nucleon - nucleon interaction the one - boson exchange potentials bonn a , b , c and for comparison the walecka model are used . the t - matrix is determined from the thompson equation and is projected onto five covariant amplitudes . by the restriction to positive energy states | the formalism of the relativistic ( or dirac- ) brueckner approach in infinite nuclear matter is described . as nucleon - nucleon interaction the one - boson exchange potentials bonn a , b , c and for comparison the walecka model are used . the t - matrix is determined from the thompson equation and is projected onto f... |
1501.05791 | i | the formation of chondrules is one of the fundamental questions of meteoritics and planet formation . chondrules are the 0.1@xmath51 mm - size once - molten silicate spherules found abundantly in primitive meteorites known as chondrites ( jones , grossman & rubin 2005 ; sears 2004 ; davis et al . most of these chondrit... | the formation of chondrules is one of the oldest unsolved mysteries in meteoritics and planet formation . recently an old idea has been revived : the idea that chondrules form as a result of collisions between planetesimals in which the ejected molten material forms small droplets which solidify to become chondrules . ... | the formation of chondrules is one of the oldest unsolved mysteries in meteoritics and planet formation . recently an old idea has been revived : the idea that chondrules form as a result of collisions between planetesimals in which the ejected molten material forms small droplets which solidify to become chondrules . ... |
astro-ph9906460 | c | six different models of the trapezium cluster , summarised in table [ table : models ] , are evolved using aarseth s nbody5 code . they are clusters in virial equilibrium , expanding clusters assuming a star formation efficiency of 42 per cent and instant gas expulsion , and clusters in cold collapse , assuming the s... | , a range of possible models of the well observed trapezium cluster are calculated using aarseth s direct n - body code , which treats binaries accurately . the results are confronted with observational constraints . this raises the possibility that the primordial group of ob stars may have expelled the cluster gas rou... | the frequency of low - mass pre - main sequence binary systems is significantly lower in the trapezium cluster than in taurus - auriga . we investigate if this difference can be explained through stellar encounters in dense clusters . to this effect , a range of possible models of the well observed trapezium cluster ar... |
1006.1330 | i | we have studied the full counting statistics of the charge transport through an undoped graphene sheet in the presence of weak and smooth ( not mixing valleys ) disorder . we have identified deviations from the dorokhov distribution of transmission probabilities both in ballistic [ eq . ( [ p_res ] ) , ( [ p12 ] ) ] an... | the full counting statistics of the charge transport through an undoped graphene sheet in the presence of smooth disorder is studied . at the dirac point both in clean and diffusive limits , transport properties of a graphene sample our results are in good agreement with recent numerical simulations of electron transpo... | the full counting statistics of the charge transport through an undoped graphene sheet in the presence of smooth disorder is studied . at the dirac point both in clean and diffusive limits , transport properties of a graphene sample are described by the universal dorokhov distribution of transmission probabilities . in... |
1112.6140 | i | the _ guarding game _ @xmath0 , introduced by fomin et al . @xcite , is played on a graph @xmath1 ( or directed graph @xmath2 ) by two players , the _ cop - player _ and the _ robber - player _ , each having his pawns ( @xmath3 cops and one robber , respectively ) on @xmath4 . there is a protected region ( also called... | robber and the cops are placed on the vertices of the graph ; they take turns in moving to adjacent vertices ( or staying ) , cops inside the guarded region , robber on the remaining vertices ( the robber - region ) . the goal of robber is to enter the guarded region at a vertex with no cop on it . the problem is to de... | the guarding game is a game in which several cops try to guard a region in a ( directed or undirected ) graph against robber . robber and the cops are placed on the vertices of the graph ; they take turns in moving to adjacent vertices ( or staying ) , cops inside the guarded region , robber on the remaining vertices (... |
1101.2583 | i | it has been known for a long time that a spatially unbound group of stars in the solar neighbourhood is sharing the same kinematics as the hyades open cluster ( e.g. , eggen 1958 ) . assuming that it is a vestige of an initially more massive hyades cluster which dispersed with time , with the result that its distributi... | the hyades stream has long been thought to be a dispersed vestige of the hyades cluster . however , recent analyses of the parallax distribution , of the mass function , and of the action - space distribution of stream stars have shown it to be rather composed of orbits trapped at a resonance of a density disturbance .... | the hyades stream has long been thought to be a dispersed vestige of the hyades cluster . however , recent analyses of the parallax distribution , of the mass function , and of the action - space distribution of stream stars have shown it to be rather composed of orbits trapped at a resonance of a density disturbance .... |
1101.2583 | c | from an analysis of the li , na , mg , zr , ba , la , ce , nd and eu abundances of 21 stars from the hyades stream , we performed chemical tagging to identify stream stars possibly evaporated from the cluster . the first tagging method is based on a @xmath66 test comparing the abundances of fe , zr , ba , la and ce in ... | the local thin disk population , identical to that of the hyades cluster , the remainder of the hyades stream population has still a metallicity excess of to 0.15 dex , consistent with an origin in the inner galaxy ; ( v ) we show that the hyades stream can be interpreted as an inner 4:1 resonance of the spiral patter... | the hyades stream has long been thought to be a dispersed vestige of the hyades cluster . however , recent analyses of the parallax distribution , of the mass function , and of the action - space distribution of stream stars have shown it to be rather composed of orbits trapped at a resonance of a density disturbance .... |
hep-th0512059 | i | in the present work , we investigate the influence of zero - point fluctuations of quantum electromagnetic fields in the presence of the perfectly conducting plates on electrons . the effects of modified vacuum fluctuations can be observed through the electron interference experiment , and are manifested in the form of... | the influence of electromagnetic vacuum fluctuations in the presence of the perfectly conducting plate on electrons is studied with an interference experiment . , we show that the coherence between electrons due to the boundary is enhanced in the parallel configuration , but reduced in the normal case . the potential r... | the influence of electromagnetic vacuum fluctuations in the presence of the perfectly conducting plate on electrons is studied with an interference experiment . the evolution of the reduced density matrix of the electron is derived by the method of influence functional . we find that the plate boundary anisotropically ... |
1310.6848 | i | the core magnetic field ( mf ) of the earth is sustained by the dynamo action taking place in its outer core . here , the variations in chemical composition and in temperature of the liquid metal allows convection to develop . since the fluid is electrically conducting , it interacts non - linearly with the magnetic fi... | we applied a filter on the magnetic field to isolate its large scales by reducing the energy contained in its small scales , we then derived the dynamical equation , referred as filtered frozen flux equation , describing the spatio - temporal evolution of the filtered part of the field . in the second step , we propose... | the inverse problem which consists of determining the flow at the earth s core mantle boundary according to an outer core magnetic field and secular variation model , has been investigated through a bayesian formalism . to circumvent the issue arising from the truncated nature of the available fields , we combined two ... |
1310.6848 | m | the sv , mf and vf are expressed in physical space , therefore the surface of the cmb has been discretized by recursively dividing an initial icosahedron ( see figure [ mesh ] ) . the grid construction and its properties , as well as the approximation of the differential operators are explicited in appendix [ appb ] . ... | these two modelization techniques were then included in the bayesian formulation of the inverse problem . to explore the complex posterior distribution of the velocity field resulting from this development , we numerically implemented an algorithm based on markov chain monte carlo methods . after evaluating our approac... | the inverse problem which consists of determining the flow at the earth s core mantle boundary according to an outer core magnetic field and secular variation model , has been investigated through a bayesian formalism . to circumvent the issue arising from the truncated nature of the available fields , we combined two ... |
1310.6848 | c | in this study we have presented a new method to determine the velocity field at the earth s core mantle boundary according to an outer core magnetic field and secular variation model . we showed that using an appropriate dynamical equation to prescribe the large scale magnetic field evolution in the inverse problem , p... | the inverse problem which consists of determining the flow at the earth s core mantle boundary according to an outer core magnetic field and secular variation model , has been investigated through a bayesian formalism . to circumvent the issue arising from the truncated nature of the available fields , we combined two ... | the inverse problem which consists of determining the flow at the earth s core mantle boundary according to an outer core magnetic field and secular variation model , has been investigated through a bayesian formalism . to circumvent the issue arising from the truncated nature of the available fields , we combined two ... |
1301.0779 | i | planetary astrophysics is undergoing an epoch of explosive growth driven by the discovery of about 850 exoplanets in two decades . continuous improvement in detection techniques will uncover many more planets in the near future which are too small or too far from their host star to be detected at present . observations... | this intriguing feature has been shown to be a natural outcome of orbital circularization of resonant planetary pairs due to star - planet tidal interactions . however , this feature holds in multi - planetary systems with periods longer than ten days , for which tidal circularization is unlikely to provide efficient d... | the kepler mission is dramatically increasing the number of planets known in multi - planetary systems . many adjacent planets have orbital period ratios near resonant values , with a tendency to be larger than required for exact first - order mean - motion resonances . this intriguing feature has been shown to be a na... |
1301.0779 | c | the multi - planetary systems detected by the kepler mission have very diverse architectures , which reflect the wide range of conditions under which planets may form and evolve . the quasi - coplanar orbits in kepler s multiple systems suggest that interactions between planets and their parent protoplanetary disk shou... | many adjacent planets have orbital period ratios near resonant values , with a tendency to be larger than required for exact first - order mean - motion resonances . . divergent evolution due to wake - planet interactions is particularly efficient when at least one of the planets opens a partial gap around its orbit . ... | the kepler mission is dramatically increasing the number of planets known in multi - planetary systems . many adjacent planets have orbital period ratios near resonant values , with a tendency to be larger than required for exact first - order mean - motion resonances . this intriguing feature has been shown to be a na... |
1006.0458 | i | the kadomtsev - petviashvili ( kp ) equation @xmath0 with the operator @xmath1 defined by @xmath2 is one of the most notable integrable nonlinear equations in 2 + 1 dimensions ( i.e. evolution equations in two spatial dimensions ) . it is the natural generalisation of the celebrated korteweg - de vries ( kdv ) equation... | the kpii equation is an integrable nonlinear pde in 2 + 1 dimensions ( two spatial and one temporal ) , which arises in several physical circumstances , including fluid mechanics where it describes waves in shallow water . it provides a multidimensional generalisation of the renowned kdv equation . in this work the ana... | the kpii equation is an integrable nonlinear pde in 2 + 1 dimensions ( two spatial and one temporal ) , which arises in several physical circumstances , including fluid mechanics where it describes waves in shallow water . it provides a multidimensional generalisation of the renowned kdv equation . in this work , we em... |
astro-ph0508334 | i | surveys for galaxies containing active galactic nuclei ( agns ) or strong star - formation activity have been an important area of extragalactic astronomy for decades . many fruitful surveys have been carried out with wide - field schmidt telescopes used in conjunction with objective prisms . an overview of previous su... | the kpno international spectroscopic survey ( kiss ) is an objective - prism survey designed to detect extragalactic emission - line objects . it combines many of the features of previous slitless spectroscopic surveys with the advantages of modern ccd detectors , and is the first purely digital objective - prism surve... | the kpno international spectroscopic survey ( kiss ) is an objective - prism survey designed to detect extragalactic emission - line objects . it combines many of the features of previous slitless spectroscopic surveys with the advantages of modern ccd detectors , and is the first purely digital objective - prism surve... |
astro-ph0508334 | c | we present the third list of h@xmath0-selected emission - line galaxy candidates ( and fourth list overall ) from the kpno international spectroscopic survey ( kiss ) . all data presented here were obtained with the 0.61-m burrell schmidt telescope . kiss is an objective - prism survey , but differs from older such sur... | we present the third list of elg candidates selected from our red spectral data , which cover the wavelength range 6400 to 7200 . in most cases , this survey covers two fields ; the first is degrees square and located at ra = 14 30 , = 34 30 ( b1950 ) , the second is degrees and centered at ra = 2 7.5 , = -4 44 . ... | the kpno international spectroscopic survey ( kiss ) is an objective - prism survey designed to detect extragalactic emission - line objects . it combines many of the features of previous slitless spectroscopic surveys with the advantages of modern ccd detectors , and is the first purely digital objective - prism surve... |
1409.1322 | c | the recent cdf and lhcb measurements of large branching ratios for pure annihilation @xmath0 @xmath1 @xmath2 and @xmath3 @xmath1 @xmath4 decays imply possible large annihilation contributions , which induce us to modify the traditional qcdf treatment for annihilation parameters . following the suggestion of ref.@xcite ... | the large branching ratios for pure annihilation and decays reported by cdf and lhcb collaborations recently and the so - called and puzzles indicate that spectator scattering and annihilation contributions are important to the penguin - dominated , color - suppressed tree dominated , and pure annihilation nonleptonic ... | the large branching ratios for pure annihilation and decays reported by cdf and lhcb collaborations recently and the so - called and puzzles indicate that spectator scattering and annihilation contributions are important to the penguin - dominated , color - suppressed tree dominated , and pure annihilation nonleptonic ... |
1410.7132 | i | the simplest and most attractive general relativistic model that explains the late time accelerated expansion of the universe [ 1 ] is the @xmath1cdm model where @xmath1 denotes the positive cosmological constant with a value of nearly @xmath2 [ 2 ] and cdm refers to cold dark matter . the @xmath1cdm model is more or l... | the late time accelerated expansion of the universe demands that even in local galactic - scales it is desirable to study astrophysical phenomena , particularly relativistic accretion related phenomena in massive galaxies or in galaxy mergers and the dynamics of the kiloparsecs - scale structure and beyond , in the loc... | the late time accelerated expansion of the universe demands that even in local galactic - scales it is desirable to study astrophysical phenomena , particularly relativistic accretion related phenomena in massive galaxies or in galaxy mergers and the dynamics of the kiloparsecs - scale structure and beyond , in the loc... |
1207.1717 | r | the excess of events of @xmath111 significance reported by atlas and cms peaks , as a function of the scalar mass , at slightly different values : @xmath112 for atlas and @xmath113 for cms . this difference can be attributed at this stage of the search to statistical fluctuations in the data . monte - carlo studies @xc... | the lhc higgs search data just released indicates the existence of a scalar resonance with mass . we examine the implications of the data reported by atlas , cms and the tevatron collaborations on understanding the properties of this scalar by performing joint fits on its couplings to other standard model ( sm ) partic... | the lhc higgs search data just released indicates the existence of a scalar resonance with mass . we examine the implications of the data reported by atlas , cms and the tevatron collaborations on understanding the properties of this scalar by performing joint fits on its couplings to other standard model ( sm ) partic... |
cond-mat0303543 | i | granular flow exhibits a variety of dynamical phenomena , which have been attracting research interests for years ( for reviews , see e.g. ( * ? ? ? * savage 1984 ) and ( * ? ? ? * jaeger , nagel & behringer 1996 ) ) . its complex behaviors can be seen even in a simple situation like the gravitational flow on a slope .... | it is demonstrated that the steady flow uniform along the flow direction becomes unstable against the long - wavelength perturbations longitudinal to the flow direction for certain parameter ranges to form the density wave , in contrast with the finite wavelength instability against the transverse perturbation ( ( * ? ... | the linear stability of rapid granular flow on a slope under gravity against the longitudinal perturbation is analyzed using hydrodynamic equations . it is demonstrated that the steady flow uniform along the flow direction becomes unstable against the long - wavelength perturbations longitudinal to the flow direction f... |
0908.0459 | c | we have further developed the new @xcite approach to the treatment of the separatrix chaos in the range of logarithmically small and moderate frequencies , where the chaos takes the largest possible area in phase space . the approach is based on the matching between the discrete chaotic dynamics of the sm and the conti... | _ absolute maximum _ of the width of the separatrix chaotic layer as function of the frequency of the time - periodic perturbation of a one - dimensional hamiltonian system possessing a separatrix , which is one of the major unsolved problems in the theory of separatrix chaos . for a given small amplitude of the pertur... | the main goal of the paper is to find the _ absolute maximum _ of the width of the separatrix chaotic layer as function of the frequency of the time - periodic perturbation of a one - dimensional hamiltonian system possessing a separatrix , which is one of the major unsolved problems in the theory of separatrix chaos .... |
1008.0955 | i | cataclysmic variables ( cvs ) are semi - detached binaries with a white dwarf ( wd ) primary and a low - mass companion which transfers mass to a wd through roche - lobe overflow . the observed orbital period distribution of cvs has three important features : a sharp short period cut - off at the orbital period of @xma... | observed donors are oversized in comparison with those of isolated single stars of the same mass , which is thought to be a consequence of the mass loss . using the empirical mass - radius relation of cvs and the homologous approximation for changes in effective temperature , orbital period , and luminosity of the dono... | the mass - loss rate of donor stars in cataclysmic variables ( cvs ) is of paramount importance in the evolution of short - period cvs . observed donors are oversized in comparison with those of isolated single stars of the same mass , which is thought to be a consequence of the mass loss . using the empirical mass - r... |
1008.0955 | i | the mass - loss rate of donors is one of the most important parameters that govern the evolution of short - period cvs . since the mass - loss rate is not directly observable , most previous work employed either purely numerical methods or semi - empirical approaches that use the observed properties of cv accretors rat... | the mass - loss rate of donor stars in cataclysmic variables ( cvs ) is of paramount importance in the evolution of short - period cvs . the semi - empirical is significantly different from , and has a less - pronounced turnaround behavior with than suggested by previous numerical models . the semi - empirical relation... | the mass - loss rate of donor stars in cataclysmic variables ( cvs ) is of paramount importance in the evolution of short - period cvs . observed donors are oversized in comparison with those of isolated single stars of the same mass , which is thought to be a consequence of the mass loss . using the empirical mass - r... |
1103.5767 | i | the thermal spectra of neutron stars during thermonuclear x - ray bursts have been used during the last three decades in numerous attempts to measure the neutron - star masses and radii ( e.g. , van paradijs 1978 , 1979 ; foster , fabian & ross 1986 ; sztajno et al . 1987 ; van paradijs & lewin 1987 ; damen et al . 1... | we find that most x - ray bursts follow a very well determined correlation between x - ray flux and temperature , which is consistent with the whole neutron - star surface emitting uniformly during the cooling tails . this algorithm also provides us with a quantitative measure of the systematic uncertainties in the mea... | the masses and radii of low - magnetic field neutron stars can be measured by combining different observable quantities obtained from their x - ray spectra during thermonuclear x - ray bursts . one of these quantities is the apparent radius of each neutron star as inferred from the x - ray flux and spectral temperature... |
hep-ph0209345 | c | the equation of motion ( [ geneom ] ) is inherently non - local in time ; it represents a non - markovian process in which evolution depends on the history @xmath302 at all times prior to the time @xmath24 of interest . when the state of the system is not too far from thermal equilibrium , it is tempting to suppose tha... | a sequence of approximations is exhibited which reduces the non - equilibrium theory to a set of local evolution equations . however , the adiabatic solution to these evolution equations which is needed to obtain a local equation of motion for the expectation value is not well defined ; nor , therefore , is the frictio... | the methods of non - equilibrium quantum field theory are used to investigate the possibility of representing dissipation in the equation of motion for the expectation value of a scalar field by a friction term , such as is commonly included in phenomenological inflaton equations of motion . a sequence of approximation... |
cond-mat0210018 | i | a two - dimensional ( 2d ) coulomb plasma is the continuous system of charged particles , plus perhaps a uniformly charged neutralizing background , confined to a plane and interacting via the logarithmic coulomb potential . in this paper , the classical equilibrium statistical mechanics at the ( dimensionless ) invers... | the model under consideration is an asymmetric two - dimensional coulomb gas of positively and negatively charged pointlike particles , interacting via a logarithmic potential . this continuous system is stable against collapse of positive - negative pairs of charges for the dimensionless coupling constant ( inverse te... | the model under consideration is an asymmetric two - dimensional coulomb gas of positively and negatively charged pointlike particles , interacting via a logarithmic potential . this continuous system is stable against collapse of positive - negative pairs of charges for the dimensionless coupling constant ( inverse te... |
astro-ph0511697 | i | we carried out the most intense monitoring observations yet made in optical and near - infrared wavebands for four nearby seyfert 1 galaxies , including ngc 5548 , ngc 4051 , ngc 3227 , and ngc 7469 . clear time - delayed response of the @xmath2-band flux variations to the @xmath3-band variations was detected for all t... | the most intense monitoring observations yet made in the optical ( ) and near - infrared ( ) wave bands were carried out for several well - known nearby seyfert 1 galaxies of ngc 5548 , ngc 4051 , ngc 3227 , and ngc 7469 . over three years of observations , after the operation of the magnum telescope started in early 2... | the most intense monitoring observations yet made in the optical ( ) and near - infrared ( ) wave bands were carried out for several well - known nearby seyfert 1 galaxies of ngc 5548 , ngc 4051 , ngc 3227 , and ngc 7469 . over three years of observations , after the operation of the magnum telescope started in early 2... |
1410.6456 | i | an important aim in the study of iron - based superconductors is to elucidate the nature of the superconducting state and its relation to adjacent phases @xcite . most feas compounds share a common phase diagram in which the underdoped region is marked by a tetragonal - to - orthorhombic structural transition at @xmath... | the tetragonal - to - orthorhombic structural transition is closely followed by a spin density wave transition both being in close proximity to the superconducting phase . a key question is the nature of high- superconductivity and its relation to orbital ordering and magnetism . the critical fluctuations acquire coher... | the multiband nature of iron pnictides gives rise to a rich temperature - doping phase diagram of competing orders and a plethora of collective phenomena . at low dopings , the tetragonal - to - orthorhombic structural transition is closely followed by a spin density wave transition both being in close proximity to the... |
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