id stringlengths 16 29 | text stringlengths 86 3.49k | source stringlengths 14 112 |
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arxiv_dataset-17001001.4712 | Tunneling and transmission resonances of a Dirac particle by a double
barrier
quant-ph
We calculate the tunneling process of a Dirac particle across two square
barriers separated a distance $d$, as well as the scattering by a double cusp
barrier where the centers of the cusps are separated a distance larger than
... | arxiv topic:quant-ph |
arxiv_dataset-17011001.4812 | Inflation in Wess--Zumino Models
hep-ph
We show that a class of Wess--Zumino models lead to inflation in
supersymmetry and supergravity. This is due to the existence of a classically
flat direction generic to these models. The pseudomodulus that parametrizes
this flat direction is the inflaton and obtains a small m... | arxiv topic:hep-ph |
arxiv_dataset-17021001.4912 | Enriques manifolds
math.AG
Using the theory of hyperkahler manifolds, we generalize the notion of
Enriques surfaces to higher dimensions and construct several examples using
group actions on Hilbert schemes of points or moduli spaces of stable sheaves.
| arxiv topic:math.AG |
arxiv_dataset-17031001.5012 | Cross-Correlating Probes of Primordial Gravitational Waves
astro-ph.CO
One of the most promising ways of detecting primordial gravitational waves
generated during inflation is to observe B-modes of polarization, generated by
Thomson scattering after reionization, in the cosmic microwave background
(CMB). Large scal... | arxiv topic:astro-ph.CO |
arxiv_dataset-17041001.5112 | Mixed Motives over $k[t]/{(t^{m+1})}$
math.AG
For a perfect field $k$, we construct a triangulated category of mixed
motives over $k[t]/{(t^{m+1})}$. The ext groups in this category are given by
higher Chow groups, and additive higher Chow groups.
| arxiv topic:math.AG |
arxiv_dataset-17051001.5212 | Spontaneous Symmetry Breaking and Nambu-Goldstone Bosons in Quantum
Many-Body Systems
hep-th cond-mat.quant-gas cond-mat.str-el hep-ph nucl-th
Spontaneous symmetry breaking is a general principle, that constitutes the
underlying concept of a vast number of physical phenomena ranging from
ferromagnetism and superc... | arxiv topic:hep-th cond-mat.quant-gas cond-mat.str-el hep-ph nucl-th |
arxiv_dataset-17061001.5312 | Period differential equations for families of K3 surfaces derived from
some 3 dimensional reflexive polytopes
math.CV
We study period maps for families of $K3$ surfaces those are given by anti
canonical divisors of toric varieties coming from reflexive polytopes $P_2,
P_4, P_5$ and $P_r$. We obtain systems of per... | arxiv topic:math.CV |
arxiv_dataset-17071001.5412 | A near-infrared study of AGB and red giant stars in the Leo I dSph
galaxy
astro-ph.CO astro-ph.GA
A near-infrared imaging study of the evolved stellar populations in the dwarf
spheroidal galaxy Leo I is presented. Based on JHK observations obtained with
the WFCAM wide-field array at the UKIRT telescope, we build ... | arxiv topic:astro-ph.CO astro-ph.GA |
arxiv_dataset-17081002.0041 | Optically Isotropic and Monoclinic Ferroelectric Phases in PZT Single
Crystals near Morphotropic Phase Boundary
cond-mat.mtrl-sci
We report the finding of unusual scale-dependent symmetry below the
ferroelectric Curie temperature in the perovskite Pb(Zr1-xTix)O3 single
crystals of morphotropic phase boundary comp... | arxiv topic:cond-mat.mtrl-sci |
arxiv_dataset-17091002.0141 | Minimally almost periodic group topology on countable torsion Abelian
groups
math.GR math.GN
For any countable torsion subgroup $H$ of an unbounded Abelian group $G$
there is a complete Hausdorff group topology $\tau$ such that $H$ is the von
Neumann radical of $(G,\tau)$. In particular, any unbounded torsion cou... | arxiv topic:math.GR math.GN |
arxiv_dataset-17101002.0241 | A Relativistic Approach on 1-Jet Spaces of the Rheonomic Berwald-Moor
Metric
math.DG
The aim of this paper is to develop on the 1-jet space J^1(R,M^4) the
Finsler-like geometry (in the sense of d-connection, d-torsions and
d-curvatures) of the rheonomic Berwald-Moor metric. A natural geometrical
gravitational fie... | arxiv topic:math.DG |
arxiv_dataset-17111002.0341 | A close look at the Centaurus A group of galaxies: I. Metallicity
distribution functions and population gradients in early-type dwarfs
astro-ph.CO
We study dwarf galaxies in the Centaurus A group to investigate their
metallicity and possible environmental effects. The Centaurus A group (at ~4
Mpc from the Milky W... | arxiv topic:astro-ph.CO |
arxiv_dataset-17121002.0441 | Spin-resolved scattering through spin-orbit nanostructures in graphene
cond-mat.mes-hall cond-mat.other
We address the problem of spin-resolved scattering through spin-orbit
nanostructures in graphene, i.e., regions of inhomogeneous spin-orbit coupling
on the nanometer scale. We discuss the phenomenon of spin-doubl... | arxiv topic:cond-mat.mes-hall cond-mat.other |
arxiv_dataset-17131002.0541 | Gravity with de Sitter and Unitary Tangent Groups
hep-th
Einstein Gravity can be formulated as a gauge theory with the tangent space
respecting the Lorentz symmetry. In this paper we show that the dimension of
the tangent space can be larger than the dimension of the manifold and by
requiring the invariance of the ... | arxiv topic:hep-th |
arxiv_dataset-17141002.0641 | Boson Stars under Deconstruction
gr-qc
We study solutions for boson stars in multiscalar theory. We start with
simple models with N scalar theories. Our purpose is to study the models in
which the mass matrix of scalars and the scalar couplings are given by an
extended method of dimensional deconstruction. The prop... | arxiv topic:gr-qc |
arxiv_dataset-17151002.0741 | Astrophysical S-factors for fusion reactions involving C, O, Ne and Mg
isotopes
astro-ph.SR nucl-th
Using the Sao Paulo potential and the barrier penetration formalism we have
calculated the astrophysical factor S(E) for 946 fusion reactions involving
stable and neutron-rich isotopes of C, O, Ne, and Mg for cente... | arxiv topic:astro-ph.SR nucl-th |
arxiv_dataset-17161002.0841 | On thermodynamics of N=6 superconformal Chern-Simons theory
hep-th
We study thermodynamics of N=6 superconformal Chern-Simons theory by
computing quantum corrections to the free energy. We find that in weakly
coupled ABJM theory on R(2) x S(1), the leading correction is non-analytic in
the 't Hooft coupling lambda,... | arxiv topic:hep-th |
arxiv_dataset-17171002.0941 | Description of polygonal regions by polynomials of bounded degree
math.MG math.AG
We show that every (possibly unbounded) convex polygon $P$ in $R^2$ with $m$
edges can be represented by inequalities $p_1 \ge 0,...,p_n \ge 0,$ where the
$p_i$'s are products of at most $k$ affine functions each vanishing on an edge
... | arxiv topic:math.MG math.AG |
arxiv_dataset-17181002.1041 | On $px^2 + q^{2n}= y^p$ and related Diophantine equations
math.NT
The title equation, where $p>3$ is a prime number $\not\equiv 7 \pmod 8$, $q$
is an odd prime number and $x,y,n$ are positive integers with $x,y$ relatively
prime, is studied. When $p\equiv 3\pmod 8$, we prove (Theorem 2.3) that there
are no solution... | arxiv topic:math.NT |
arxiv_dataset-17191002.1141 | Phantom boundary crossing and anomalous growth index of fluctuations in
viable f(R) models of cosmic acceleration
astro-ph.CO gr-qc hep-th
Evolution of a background space-time metric and sub-horizon matter density
perturbations in the Universe is numerically analyzed in viable $f(R)$ models
of present dark energy... | arxiv topic:astro-ph.CO gr-qc hep-th |
arxiv_dataset-17201002.1241 | Diode laser welding of ABS: Experiments and process modeling
physics.optics
The laser beam weldability of acrylonitrile/butadiene/styrene (ABS) plates is
determined by combining both experimental and theoretical aspects. In modeling
the process, an optical model is used to determine how the laser beam is
attenuated... | arxiv topic:physics.optics |
arxiv_dataset-17211002.1341 | In-plane transport and enhanced thermoelectric performance in thin films
of the topological insulators Bi_2Te_3 and Bi_2Se_3
cond-mat.mes-hall
Several small-bandgap semiconductors are now known to have protected metallic
surface states as a consequence of the topology of the bulk electron
wavefunctions. The known... | arxiv topic:cond-mat.mes-hall |
arxiv_dataset-17221002.1441 | Time-Dependent Transport Through Molecular Junctions
cond-mat.mes-hall cond-mat.mtrl-sci
We investigate transport properties of molecular junctions under two types of
bias--a short time pulse or an AC bias--by combining a solution for the Green
functions in the time domain with electronic structure information comi... | arxiv topic:cond-mat.mes-hall cond-mat.mtrl-sci |
arxiv_dataset-17231002.1541 | Shape derivatives of boundary integral operators in electromagnetic
scattering
math.NA
We develop the shape derivative analysis of solutions to the problem of
scattering of time-harmonic electromagnetic waves by a bounded penetrable
obstacle. Since boundary integral equations are a classical tool to solve
electro... | arxiv topic:math.NA |
arxiv_dataset-17241002.1641 | Longitudinal scaling property of the charge balance function in Au + Au
collisions at 200 GeV
nucl-ex
We present measurements of the charge balance function, from the charged
particles, for diverse pseudorapidity and transverse momentum ranges in Au + Au
collisions at 200 GeV using the STAR detector at RHIC. We o... | arxiv topic:nucl-ex |
arxiv_dataset-17251002.1741 | An Adiabatic Theorem for Resonances
math-ph math.MP quant-ph
We prove a robust extension of the quantum adiabatic theorem. The theorem
applies to systems that have resonances instead of bound states, and to systems
for which just an approximation to a bound state is known. To demonstrate the
theorem's usefulness in... | arxiv topic:math-ph math.MP quant-ph |
arxiv_dataset-17261002.1841 | Recurrent Activity in Active Galactic Nuclei
astro-ph.CO
There has been a growing body of evidence to suggest that AGN activity, which
is powered by mass accretion on to a supermasive black hole, could be episodic,
although the range of time scales involved needs to be explored further. The
structure and spectra of... | arxiv topic:astro-ph.CO |
arxiv_dataset-17271002.1941 | AFT Gravitational Model - Unity of All Elementary Particles in Sp(12,C)
physics.gen-ph
A new unifying theory was recently proposed by the author in the publication
"Arrangement field theory - beyond strings and loop gravity -". Such theory
describes all fields (gravitational, gauge and matter fields) as entries in ... | arxiv topic:physics.gen-ph |
arxiv_dataset-17281002.2041 | Gravitational Lensing in Spherically Symmetric Spacetimes
gr-qc astro-ph.CO
We present a framework for studying gravitational lensing in spherically
symmetric spacetimes using 1+1+2 covariant methods. A general formula for the
deflection angle is derived and we show how this can be used to recover the
standard resu... | arxiv topic:gr-qc astro-ph.CO |
arxiv_dataset-17291002.2141 | Advance and prospects in constraining the Yukawa-type corrections to
Newtonian gravity from the Casimir effect
hep-th quant-ph
We report stronger constraints on the parameters of Yukawa-type corrections
to Newtonian gravity from measurements of the lateral Casimir force between
sinusoidally corrugated surfaces of... | arxiv topic:hep-th quant-ph |
arxiv_dataset-17301002.2241 | Convective-reactive proton-C12 combustion in Sakurai's object (V4334
Sagittarii) and implications for the evolution and yields from the first
generations of stars
astro-ph.SR
Depending on mass and metallicity as well as evolutionary phase, stars
occasionally experience convective-reactive nucleosynthesis episod... | arxiv topic:astro-ph.SR |
arxiv_dataset-17311002.2341 | Geometric ergodicity for families of homogeneous Markov chains
math.PR math.ST stat.TH
In this paper we find nonasymptotic exponential upper bounds for the
deviation in the ergodic theorem for families of homogeneous Markov processes.
We find some sufficient conditions for geometric ergodicity uniformly over a
para... | arxiv topic:math.PR math.ST stat.TH |
arxiv_dataset-17321002.2441 | Flavor sensitivity to theta_13 and the mass hierarchy for neutrinos from
solar WIMP annihilation
hep-ph
The effect of the higher-energy 2nd resonance and the associated
adiabatic-to-nonadiabatic transition on neutrino propagation in solar matter is
presented. For WIMP-annihilation neutrinos injected with energies... | arxiv topic:hep-ph |
arxiv_dataset-17331002.2541 | Strong electric fields induced on a sharp stellar boundary
astro-ph.SR
Due to a first order phase transition, a compact star may have a
discontinuous distribution of baryon as well as electric charge densities, as
e.g. at the surface of a strange quark star. The induced separation of positive
and negative charges m... | arxiv topic:astro-ph.SR |
arxiv_dataset-17341002.2641 | String scattering in flat space and a scaling limit of Yang-Mills
correlators
hep-th
We use the flat space limit of the AdS/CFT correspondence to derive a simple
relation between the 2 to 2 scattering amplitude of massless string states in
type IIB superstring theory on ten-dimensional Minkowski space and a scali... | arxiv topic:hep-th |
arxiv_dataset-17351002.2741 | Free Lunch
q-fin.GN
The concept of absence of opportunities for free lunches is one of the
pillars in the economic theory of financial markets. This natural assumption
has proved very fruitful and has lead to great mathematical, as well as
economical, insights in Quantitative Finance. Formulating rigorously the exa... | arxiv topic:q-fin.GN |
arxiv_dataset-17361002.2841 | Spin-torque driven magnetic vortex self-oscillations in perpendicular
magnetic fields
cond-mat.mes-hall cond-mat.other
We have employed complete micromagnetic simulations to analyze dc current
driven self-oscillations of a vortex core in a spin-valve nanopillar in a
perpendicular field by including the coupled ef... | arxiv topic:cond-mat.mes-hall cond-mat.other |
arxiv_dataset-17371002.2941 | Thermodynamic Bethe Ansatz Equations for Minimal Surfaces in AdS_3
hep-th
We study classical open string solutions with a null polygonal boundary in
AdS_3 in relation to gluon scattering amplitudes in N=4 super Yang-Mills at
strong coupling. We derive in full detail the set of integral equations
governing the decag... | arxiv topic:hep-th |
arxiv_dataset-17381002.3041 | A relation between the Barbero-Immirzi parameter and the standard model
gr-qc hep-th
It has been shown that Sakharov's induced, from the fields entering the
standard model, Barbero-Immirzi parameter assumes, in the framework of
euclidean formalism, the UV cutoff-independent value, 1/9. The calculus uses
the Schwing... | arxiv topic:gr-qc hep-th |
arxiv_dataset-17391002.3141 | On indecomposable trees in the boundary of Outer space
math.GR math.GT
Let $T$ be an $\mathbb{R}$-tree, equipped with a very small action of the
rank $n$ free group $F_n$, and let $H \leq F_n$ be finitely generated. We
consider the case where the action $F_n \curvearrowright T$ is
indecomposable--this is a strong m... | arxiv topic:math.GR math.GT |
arxiv_dataset-17401002.3241 | Coarse-grained modeling of multiscale diffusions: the p-variation
estimates
math.ST math.PR stat.ME stat.TH
We study the problem of estimating parameters of the limiting equation of a
multiscale diffusion in the case of averaging and homogenization, given data
from the corresponding multiscale system. First, we r... | arxiv topic:math.ST math.PR stat.ME stat.TH |
arxiv_dataset-17411002.3341 | Pinpointing Cosmic Ray Propagation With The AMS-02 Experiment
astro-ph.HE
The Alpha Magnetic Spectrometer (AMS-02), which is scheduled to be deployed
onboard the International Space Station later this year, will be capable of
measuring the composition and spectra of GeV-TeV cosmic rays with unprecedented
precision.... | arxiv topic:astro-ph.HE |
arxiv_dataset-17421002.3441 | Topological representation of matroids from diagrams of spaces
math.CO math.AT
Swartz proved that any matroid can be realized as the intersection lattice of
an arrangement of codimension one homotopy spheres on a sphere. This was an
unexpected extension from the oriented matroid case, but unfortunately the
construc... | arxiv topic:math.CO math.AT |
arxiv_dataset-17431002.3541 | Finite Volume Spaces and Sparsification
cs.DS cs.DM
We introduce and study finite $d$-volumes - the high dimensional
generalization of finite metric spaces. Having developed a suitable
combinatorial machinery, we define $\ell_1$-volumes and show that they contain
Euclidean volumes and hypertree volumes. We show tha... | arxiv topic:cs.DS cs.DM |
arxiv_dataset-17441002.3641 | Near-linear Dynamics for Shallow Water Waves
physics.flu-dyn
It is shown that spatially periodic one-dimensional surface waves in shallow
water behave almost linearly, provided large part of the energy is contained in
sufficiently high frequencies. The amplitude is not required to be small (apart
from the shallow w... | arxiv topic:physics.flu-dyn |
arxiv_dataset-17451002.3741 | New dissipated energy for nonnegative weak solution of unstable
thin-film equations
math.AP math-ph math.MP
The fluid thin film equation $h_t = - (h^n h_{xxx})_x - a_1\,(h^m h_x)_x$ is
known to conserve mass $\int\,h \, dx$, and in the case of $a_1 \leq 0$, to
dissipate entropy $\int\,h^{3/2 - n}\,dx$ (see [8]) a... | arxiv topic:math.AP math-ph math.MP |
arxiv_dataset-17461002.3841 | Band-limited localized Parseval frames and Besov spaces on compact
homogeneous manifolds
math.FA math.CA math.SP
In the last decade, methods based on various kinds of spherical wavelet bases
have found applications in virtually all areas where analysis of spherical data
is required, including cosmology, weather p... | arxiv topic:math.FA math.CA math.SP |
arxiv_dataset-17471002.3941 | Modeling of gas adsorption on graphene nanoribbons
cond-mat.mes-hall
We present a theory to study gas molecules adsorption on armchair graphene
nanoribbons (AGNRs) by applying the results of \emph{ab} \emph{initio}
calculations to the single-band tight-binding approximation. In addition, the
effect of edge states o... | arxiv topic:cond-mat.mes-hall |
arxiv_dataset-17481002.4041 | Improving Term Extraction Using Particle Swarm Optimization Techniques
cs.IR
Term extraction is one of the layers in the ontology development process
which has the task to extract all the terms contained in the input document
automatically. The purpose of this process is to generate list of terms that
are relevant ... | arxiv topic:cs.IR |
arxiv_dataset-17491002.4141 | Holomorphic discs and surgery exact triangles
math.GT
We show a connection between a surgery exact sequence in knot Floer homology
and the sequence derived in [18]. As a consequence of this relationship we see
that the exact sequence in [18] also works with coherent orientations and
admits refinements with respect ... | arxiv topic:math.GT |
arxiv_dataset-17501002.4241 | A-models in three and four dimensions
hep-th
We introduce and study a new 3d Topological Field Theory which can be
associated to any compact real manifold X. This TFT is analogous to the 2d
A-model and reduces to it upon compactification on an interval with suitable
boundary conditions. It plays a role in 3d mirror... | arxiv topic:hep-th |
arxiv_dataset-17511002.4341 | Single photons from coupled quantum modes
cond-mat.mes-hall
Single photon emitters often rely on a strong nonlinearity to make the
behaviour of a quantum mode susceptible to a change in the number of quanta
between one and two. In most systems the strength of nonlinearity is weak, such
that changes at the single qu... | arxiv topic:cond-mat.mes-hall |
arxiv_dataset-17521002.4441 | Heavy quark(onium) at LHC: the statistical hadronization case
nucl-th
We discuss the production of charmonium in nuclear collisions within the
framework of the statistical hadronization model. We demonstrate that the model
reproduces very well the availble data at RHIC. We provide predictions for the
LHC energy whe... | arxiv topic:nucl-th |
arxiv_dataset-17531002.4541 | Vibrational Excitations in Weakly Coupled Single-Molecule Junctions: A
Computational Analysis
cond-mat.mes-hall
In bulk systems, molecules are routinely identified by their vibrational
spectrum using Raman or infrared spectroscopy. In recent years, vibrational
excitation lines have been observed in low-temperatur... | arxiv topic:cond-mat.mes-hall |
arxiv_dataset-17541002.4641 | Sensitivity of the Performance of a Simple Exchange Model to its
Topology
q-fin.TR
We study a simple exchange model in which price is fixed and the amount of a
good transferred between actors depends only on the actors' respective budgets
and the existence of a link between transacting actors. The model induces a... | arxiv topic:q-fin.TR |
arxiv_dataset-17551002.4741 | How large can the electron to proton mass ratio be in Particle-In-Cell
simulations of unstable systems?
physics.plasm-ph physics.space-ph
Particle-in-cell (PIC) simulations are widely used as a tool to investigate
instabilities that develop between a collisionless plasma and beams of charged
particles. However, e... | arxiv topic:physics.plasm-ph physics.space-ph |
arxiv_dataset-17561002.4841 | Lattice gas simulations of dynamical geometry in two dimensions
cond-mat.soft cond-mat.other
We present a hydrodynamic lattice gas model for two-dimensional flows on
curved surfaces with dynamical geometry. This model is an extension to two
dimensions of the dynamical geometry lattice gas model previously studied i... | arxiv topic:cond-mat.soft cond-mat.other |
arxiv_dataset-17571002.4941 | Universal efficiency at optimal work with Bayesian statistics
cond-mat.stat-mech physics.data-an quant-ph
If the work per cycle of a quantum heat engine is averaged over an
appropriate prior distribution for an external parameter $a$, the work becomes
optimal at Curzon-Ahlborn efficiency. More general priors of the... | arxiv topic:cond-mat.stat-mech physics.data-an quant-ph |
arxiv_dataset-17581002.5041 | Arbitrage Opportunities in Misspecified Stochastic volatility Models
q-fin.PR q-fin.GN q-fin.ST
There is vast empirical evidence that given a set of assumptions on the
real-world dynamics of an asset, the European options on this asset are not
efficiently priced in options markets, giving rise to arbitrage opportun... | arxiv topic:q-fin.PR q-fin.GN q-fin.ST |
arxiv_dataset-17591003.0093 | Joint Subcarrier Pairing and Power Allocation for OFDM Transmission with
Decode-and-Forward Relaying
cs.IT math.IT
In this paper, a point-to-point Orthogonal Frequency Division Multiplexing
(OFDM) system with a decode-and-forward (DF) relay is considered. The
transmission consists of two hops. The source transmit... | arxiv topic:cs.IT math.IT |
arxiv_dataset-17601003.0193 | Tunable Multifunctional Topological Insulators in Ternary Heusler
Compounds
cond-mat.mtrl-sci cond-mat.dis-nn cond-mat.mes-hall
Recently the Quantum Spin Hall effect (QSH) was theoretically predicted and
experimentally realized in a quantum wells based on binary semiconductor
HgTe[1-3]. QSH state and topological ... | arxiv topic:cond-mat.mtrl-sci cond-mat.dis-nn cond-mat.mes-hall |
arxiv_dataset-17611003.0293 | Strong entanglement causes low gate fidelity in inaccurate one-way
quantum computation
quant-ph
We study how entanglement among the register qubits affects the gate fidelity
in the one-way quantum computation if a measurement is inaccurate. We derive an
inequality which shows that the mean gate fidelity is upper ... | arxiv topic:quant-ph |
arxiv_dataset-17621003.0393 | Dilaton and gluon condensate in a nucleon medium
nucl-th hep-ph
The gluon condensate as a function of temperature and baryon density in a
nucleon medium is obtained from an effective dilaton Lagrangian. It is shown
that, at a normal nuclear density of nucleons, n_0 = 0.17 fm^{-3} the gluon
condensate decreases by a... | arxiv topic:nucl-th hep-ph |
arxiv_dataset-17631003.0493 | Possible Frictionless States at Room-Temperature Regime for Many
Fermions in Confined Domain
physics.gen-ph
We investigate the possible frictionless transport of many composite
(condensed) fermions at room temperature regime along an annular tube with
transversely wavy-corrugations by using the verified transitio... | arxiv topic:physics.gen-ph |
arxiv_dataset-17641003.0593 | Multiqubit symmetric states with high geometric entanglement
quant-ph
We propose a detailed study of the geometric entanglement properties of pure
symmetric N-qubit states, focusing more particularly on the identification of
symmetric states with a high geometric entanglement and how their entanglement
behaves asym... | arxiv topic:quant-ph |
arxiv_dataset-17651003.0693 | Large scale outflows from z ~ 0.7 starburst galaxies identified via
ultra-strong MgII quasar absorption lines
astro-ph.CO
(Abridged) Star formation-driven outflows are a critical phenomenon in
theoretical treatments of galaxy evolution, despite the limited ability of
observations to trace them across cosmological... | arxiv topic:astro-ph.CO |
arxiv_dataset-17661003.0793 | Boolean delay equations on networks: An application to economic damage
propagation
q-fin.GN nlin.CG
We introduce economic models based on Boolean Delay Equations: this formalism
makes easier to take into account the complexity of the interactions between
firms and is particularly appropriate for studying the prop... | arxiv topic:q-fin.GN nlin.CG |
arxiv_dataset-17671003.0893 | Spin-active interfaces and unconventional pairing in
half-metal$\mid$superconductor junctions
cond-mat.supr-con
We study the physical properties of a half-metallic
ferromagnet$\mid$superconductor (HM$\mid$S) bilayer, allowing for an arbitrary
bulk pairing symmetry of the superconductor and spin-dependent processe... | arxiv topic:cond-mat.supr-con |
arxiv_dataset-17681003.0993 | Decision Making: Superiority Degree
math.OC
It is introduced the concept of Superiority Degree one competitive decision
over another. On the basis of this concept the mathematics theoretic structure
is developed, which is part of pairs comparisons branch in modern decision
making theory. It will be useful for pract... | arxiv topic:math.OC |
arxiv_dataset-17691003.1093 | Leptonic contribution to the bulk viscosity of nuclear matter
nucl-th
For beta-equilibrated nuclear matter we estimate the contribution to the bulk
viscosity from purely leptonic processes, namely the conversion of electrons to
and from muons. For oscillation frequencies in the kiloHertz range, we find
that this pr... | arxiv topic:nucl-th |
arxiv_dataset-17701003.1193 | A Hybrid Mechanism Forming a 2:1 Librating-Circulating Resonant
Configuration in the Planetary System
astro-ph.EP
A diversity of resonance configurations may be formed under different
migration of two giant planets. And the researchers show that the HD 128311 and
HD 73526 planetary systems are involved in a 2:1 m... | arxiv topic:astro-ph.EP |
arxiv_dataset-17711003.1293 | On the conjugacy growth functions of groups
math.GR
To every finitely generated group one can assign the conjugacy growth
function that counts the number of conjugacy classes intersecting a ball of
radius $n$. Results of Ivanov and Osin show that the conjugacy growth function
may be constant even if the (ordinary) ... | arxiv topic:math.GR |
arxiv_dataset-17721003.1393 | A variational formula for the free energy of an interacting
many-particle system
math.PR math-ph math.MP
We consider $N$ bosons in a box in $\mathbb {R}^d$ with volume $N/\rho$ under
the influence of a mutually repellent pair potential. The particle density
$\rho\in (0,\infty)$ is kept fixed. Our main result is t... | arxiv topic:math.PR math-ph math.MP |
arxiv_dataset-17731003.1493 | Integration of Rule Based Expert Systems and Case Based Reasoning in an
Acute Bacterial Meningitis Clinical Decision Support System
cs.AI
This article presents the results of the research carried out on the
development of a medical diagnostic system applied to the Acute Bacterial
Meningitis, using the Case Based ... | arxiv topic:cs.AI |
arxiv_dataset-17741003.1593 | Time-resolving intra-atomic two-electron collision dynamics
physics.atom-ph
We generalize the one electron attosecond streaking camera to time-resolve
the correlated two-electron escape dynamics during a collision process
involving a deep core electron. The collision process is triggered by an XUV
attosecond pulse ... | arxiv topic:physics.atom-ph |
arxiv_dataset-17751003.1693 | Structure of nilpotent Lie algebra by its multiplier
math.RA
For a finite dimensional Lie algebra $L$, it is known that
$s(L)=\f{1}{2}(n-1)(n-2)+1-\mathrm{dim} M(L)$ is non negative. Moreover, the
structure of all finite nilpotent Lie algebras is characterized when $s(L)=0,1$
in \cite{ni,ni4}. In this paper, we int... | arxiv topic:math.RA |
arxiv_dataset-17761003.1793 | Should recombinations of radical pairs be considered as accompanied by
measurements?
quant-ph physics.chem-ph
The so-called "phenomenological" kinetic equation for one-pair density
operator for spin-selective reactions is defended. We derive this equation from
the kinetic equation for density operator of all pair... | arxiv topic:quant-ph physics.chem-ph |
arxiv_dataset-17771003.1893 | The Infrared Astronomical Characteristics of Roque de los Muchachos
Observatory: precipitable water vapor statistics
astro-ph.IM
The atmospheric water vapor content above the Roque de los Muchachos
Observatory (ORM) obtained from Global Positioning Systems (GPS) is presented.
GPS measurements have been evaluated ... | arxiv topic:astro-ph.IM |
arxiv_dataset-17781003.1993 | A stem-cell ageing hypothesis on the origin of Parkinson's disease
q-bio.CB q-bio.OT
A transcriptome-wide blood expression dataset of Parkinson's disease (PD)
patients and controls was analyzed under the hypothesis-rich mathematical
framework. The analysis pointed towards differential expression in blood cells
in m... | arxiv topic:q-bio.CB q-bio.OT |
arxiv_dataset-17791003.2093 | Thermodynamics of interacting entropy-corrected holographic dark energy
in a non-flat FRW universe
physics.gen-ph hep-th
A so-called "entropy-corrected holographic dark energy" (ECHDE), was recently
proposed to explain the dark energy-dominated universe with the help of quantum
corrections to the entropy-area rel... | arxiv topic:physics.gen-ph hep-th |
arxiv_dataset-17801003.2193 | Unimpeded tunneling in graphene nanoribbons
cond-mat.mtrl-sci
We studied the Klein paradox in zigzag (ZNR) and anti-zigzag (AZNR) graphene
nanoribbons. Due to the fact that ZNR (the number of lattice sites across the
nanoribbon (N is even) and AZNR (N is odd) configurations are indistinguishable
when treated by the... | arxiv topic:cond-mat.mtrl-sci |
arxiv_dataset-17811003.2293 | On the Chiral Magnetic Effect in Soft-Wall AdS/QCD
hep-ph hep-th
The essence of the chiral magnetic effect is generation of an electric
current along an external magnetic field. Recently it has been studied by
Rebhan et al. within the Sakai--Sugimoto model, where it was shown to be zero.
As an alternative, we calcu... | arxiv topic:hep-ph hep-th |
arxiv_dataset-17821003.2393 | On the transitional behavior of quantum Gaussian memory channels
quant-ph
We address the question of optimality of entangled input states in quantum
Gaussian memory channels. For a class of such channels, that can be traced back
to the memoryless setting, we state a criterion which relate the optimality of
entangle... | arxiv topic:quant-ph |
arxiv_dataset-17831003.2493 | Bivariate Quasi-Tower Sets and Their Associated Lagrange Interpolation
Bases
math.AC math.NA
As we all known, there is still a long way for us to solve arbitrary
multivariate Lagrange interpolation in theory. Nevertheless, it is well
accepted that theories about Lagrange interpolation on special point sets
should... | arxiv topic:math.AC math.NA |
arxiv_dataset-17841003.2593 | Manipulation of the dynamics of many-body systems via quantum control
methods
quant-ph cond-mat.other
We investigate how dynamical decoupling methods may be used to manipulate the
time evolution of quantum many-body systems. These methods consist of sequences
of external control operations designed to induce a de... | arxiv topic:quant-ph cond-mat.other |
arxiv_dataset-17851003.2693 | Relativistic quantum Brownian motion
quant-ph cond-mat.stat-mech
A Wigner-Klein-Kramers equation is proposed, which merges relativistic,
quantum and thermo dynamics. The relativistic effect on quantum Brownian motion
is studied via the Breit-Fermi Hamiltonian applied into a dissipative Madelung
hydrodynamics. A new... | arxiv topic:quant-ph cond-mat.stat-mech |
arxiv_dataset-17861003.2793 | KAM for the quantum harmonic oscillator
math.AP
In this paper we prove an abstract KAM theorem for infinite dimensional
Hamiltonians systems. This result extends previous works of S.B. Kuksin and J.
P\"oschel and uses recent techniques of H. Eliasson and S.B. Kuksin. As an
application we show that some 1D nonlinear... | arxiv topic:math.AP |
arxiv_dataset-17871003.2893 | Investigation of mechanical losses of thin silicon flexures at low
temperatures
cond-mat.mtrl-sci
The investigation of the mechanical loss of different silicon flexures in a
temperature region from 5 to 300 K is presented. The flexures have been
prepared by different fabrication techniques. A lowest mechanical lo... | arxiv topic:cond-mat.mtrl-sci |
arxiv_dataset-17881003.2993 | On the bound-state spectrum of a nonrelativistic particle in the
background of a short-ranged linear potential
quant-ph
The nonrelativistic problem of a particle immersed in a triangular potential
well, set forth by N.A. Rao and B.A. Kagali, is revised. It is shown that these
researchers misunderstood the full me... | arxiv topic:quant-ph |
arxiv_dataset-17891003.3093 | Relationship between preexponent and distribution over activation
barrier energies for enzymatic reactions
q-bio.BM
A relationship between the preexponent of the rate constant and the
distribution over activation barrier energies for enzymatic/protein reactions
is revealed. We consider an enzyme solution as an en... | arxiv topic:q-bio.BM |
arxiv_dataset-17901003.3193 | The early stages of star formation in Infrared Dark Clouds:
characterizing the core dust properties
astro-ph.SR
Identified as extinction features against the bright Galactic mid-infrared
background, infrared dark clouds (IRDCs) are thought to harbor the very
earliest stages of star and cluster formation. In order... | arxiv topic:astro-ph.SR |
arxiv_dataset-17911003.3293 | Transport properties of the fluid produced at RHIC
nucl-th hep-ph nucl-ex
It is by now well known that the relativistic heavy-ion collisions at RHIC,
BNL have produced a strongly interacting fluid with remarkable properties,
among them the lowest ever observed ratio of the coefficient of shear viscosity
to entropy ... | arxiv topic:nucl-th hep-ph nucl-ex |
arxiv_dataset-17921003.3393 | Spectral signatures of ultra-rapidly varying objects
astro-ph.HE
The main purpose of this article is to alert spectroscopists, particularly
those involved in surveys, to the fact that rapidly pulsating sources induce
periodic structures in spectra. This would allow the detection of new classes
of objects sending bu... | arxiv topic:astro-ph.HE |
arxiv_dataset-17931003.3493 | Statistical analysis of the sigma meson considered as two-pion resonance
nucl-th
It was found that the most simple analysis in the linear \sigma- model, where
the sigma meson couples in vacuum to two virtual pions, predicted the most
typical values for the \sigma-mass and total decay width as 486+/-7MeV and
340+/-2... | arxiv topic:nucl-th |
arxiv_dataset-17941003.3593 | The index growth and multiplicity of closed geodesics
math.DG math.DS math.SG
In the recent paper \cite{LoD1}, we classified closed geodesics on Finsler
manifolds into rational and irrational two families, and gave a complete
understanding on the index growth properties of iterates of rational closed
geodesics. Thi... | arxiv topic:math.DG math.DS math.SG |
arxiv_dataset-17951003.3693 | Feasibility Study of Lense-Thirring Precession in LS I +61303
astro-ph.HE
Very recent analysis of the radio spectral index and high energy observations
have shown that the two-peak accretion/ejection microquasar model applies for
LSI+61303. The fast variations of the position angle observed with MERLIN and
confirme... | arxiv topic:astro-ph.HE |
arxiv_dataset-17961003.3793 | Anisotropy of the superconducting state parameters and intrinsic pinning
in low-level Pr-doped YBa2Cu3O(7-delta) single crystals
cond-mat.supr-con
The influence of low-level Pr substitution in Y1-xPrxBa2Cu3O(7-delta) single
crystals on the anisotropy of the superconducting state parameters was
investigated by tor... | arxiv topic:cond-mat.supr-con |
arxiv_dataset-17971003.3893 | Unwinding Conditional Noninterference
cs.CR
Noninterference provides a control over information flow in a system for
ensuring confidentiality and integrity properties. In the literature this
notion has been well studied as transitive noninterference and intransitive
noninterference. In this paper we define a framew... | arxiv topic:cs.CR |
arxiv_dataset-17981003.3993 | An improved design of an inductive fault current limiter based on a
superconducting cylinder
cond-mat.supr-con
The paper deals with basic designs of a fault current limiter of the
transformer type which differ each other by the mutual location of a primary
winding and a superconducting short-circuited cylinder. T... | arxiv topic:cond-mat.supr-con |
arxiv_dataset-17991003.4093 | Convergent sequences in discrete groups
math.GR math.FA
We prove that a finitely generated group contains a sequence of non-trivial
elements which converge to the identity in every compact homomorphic image if
and only if the group is not virtually abelian.
| arxiv topic:math.GR math.FA |
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