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arxiv_dataset-600804.3721
F(R) gravity equation of state hep-th astro-ph gr-qc math-ph math.MP quant-ph The ${\bf f}(R)$ gravity field equations are derived as an equation of state of local space-time thermodynamics. Jacobson's arguments are non-trivially extended, by means of a more general definition of local entropy, for which Wald's def...
arxiv topic:hep-th astro-ph gr-qc math-ph math.MP quant-ph
arxiv_dataset-601804.3821
Fourier expansions for the potentials of lattices of charge physics.chem-ph We apply the Poisson sum rule to obtain formal expressions for the Fourier coefficients of the potential of a lattice of generalized charge. Each generalized charge is assumed to contribute to the potential a term which depends only on the ...
arxiv topic:physics.chem-ph
arxiv_dataset-602804.3921
Overspinning a nearly extreme black hole and the Weak Cosmic Censorship conjecture gr-qc We revisit here the recent proposal for overspinning a nearly extreme black hole by means of a quantum tunneling process. We show that electrically neutral massless fermions evade possible back reactions effects related to su...
arxiv topic:gr-qc
arxiv_dataset-603804.4021
Effects of interfacial curvature on Rayleigh-Taylor instability physics.flu-dyn In this work a non-trivial effect of the interfacial curvature on the stability of accelerated interfaces, such as liquid rims, is uncovered. The new stability analysis, based on operator and boundary perturbation theories, reveals and ...
arxiv topic:physics.flu-dyn
arxiv_dataset-604804.4121
Possibility of a new universality class: The anisotropic Heisenberg model with dipolar interactions cond-mat.stat-mech cond-mat.other This paper has been withdrawn by the authors due to a possible inconsistency in the program code.
arxiv topic:cond-mat.stat-mech cond-mat.other
arxiv_dataset-605804.4221
Quantum Gravity and Recovery of Information in Black Hole Evaporation gr-qc The Generalized Uncertainty Principle (GUP), motivated by current alternatives of quantum gravity, produces significant modifications to the Hawking radiation and the final stage of black hole evaporation. We show that incorporation of the ...
arxiv topic:gr-qc
arxiv_dataset-606804.4321
Ideal and nonideal electromagnetic cloaks physics.optics We employ the analytical results for the spatial transformation of the electromagnetic fields to obtain and analyze explicit expressions for the structure of the electromagnetic fields in invisibility cloaks, beam splitters, and field concentrators. We study ...
arxiv topic:physics.optics
arxiv_dataset-607804.4421
Self-consistent simulations of Nuclear Cluster formation through Globular Cluster orbital decay and merging astro-ph We present results of fully self-consistent N-body simulations of the motion of four globular clusters moving in the inner region of their parent galaxy. With regard to previous simplified simulati...
arxiv topic:astro-ph
arxiv_dataset-608804.4521
Numerical solutions of integrodifferential systems by hybrid of general block-pulse functions and the second Chebyshev polynomials math.NA By applying hybrid functions of general block-pulse functions and the second Chebyshev polynomials,integrodifferential systems are converted into a system of algebraic equatio...
arxiv topic:math.NA
arxiv_dataset-609804.4621
An Optimal Transport View On Schroedinger's Equation math-ph math.AP math.MP We show that the Schroedinger equation is a lift of Newton's law of motion on the space of probability measures, where derivatives are taken w.r.t. the Wasserstein Riemannian metric. Here the potential is the sum of the total classical pot...
arxiv topic:math-ph math.AP math.MP
arxiv_dataset-610804.4721
Minimal Open Strings hep-th We study FZZT-branes and open string amplitudes in (p,q) minimal string theory. We focus on the simplest boundary changing operators in two-matrix models, and identify the corresponding operators in worldsheet theory through the comparison of amplitudes. Along the way, we find a novel li...
arxiv topic:hep-th
arxiv_dataset-611804.4821
Relativistic Universe Scenario gr-qc The luminocity-distance -- redshift SN Ia data and the Cosmic Microwave Background power spectrum are discussed in the context of the results and ideas of the eminent Russian physicist-theorist N.A. Chernikov. His results include the Boltzmann-Chernikov distribution in the kinet...
arxiv topic:gr-qc
arxiv_dataset-612805.0023
Two-Component Nonlinear Schrodinger Models with a Double-Well Potential nlin.PS cond-mat.other We introduce a model motivated by studies of Bose-Einstein condensates (BECs) trapped in double-well potentials. We assume that a mixture of two hyperfine states of the same atomic species is loaded in such a trap.The ana...
arxiv topic:nlin.PS cond-mat.other
arxiv_dataset-613805.0123
Study of the effects induced by lead on the emulsion films of the OPERA experiment physics.ins-det The OPERA neutrino oscillation experiment is based on the use of the Emulsion Cloud Chamber (ECC). In the OPERA ECC, nuclear emulsion films acting as very high precision tracking detectors are interleaved with lead ...
arxiv topic:physics.ins-det
arxiv_dataset-614805.0223
Low energy defibrillation in human cardiac tissue: a simulation study q-bio.TO We aim to assess the effectiveness of feedback controlled resonant drift pacing as a method for low energy defibrillation. Antitachycardia pacing is the only low energy defibrillation approach to have gained clinical significance, but it...
arxiv topic:q-bio.TO
arxiv_dataset-615805.0323
On submanifolds with tamed second fundamental form math.DG We show that a complete submanifold $M$ with tamed second fundamental form in a complete Riemannian manifold $N$ with sectional curvature $K_{N}\leq \kappa \leq 0$ are proper, (compact if $N$ is compact). In addition, if $N$ is Hadamard then $M$ has finite ...
arxiv topic:math.DG
arxiv_dataset-616805.0423
Tripartite entanglement dynamics for atom in a two-mode nonlinear cavity quant-ph In this communication we introduce a new model which represents the interaction between an atom and two fields injected simultaneously within a cavity including the nonlinear couplers. By using the canonical transformation the model c...
arxiv topic:quant-ph
arxiv_dataset-617805.0523
Initial-state randomness as a universal source of decoherence quant-ph nlin.CD We study time evolution of entanglement between two qubits, which are part of a larger system, after starting from a random initial product state. We show that, due to randomness in the initial product state, entanglement is present only...
arxiv topic:quant-ph nlin.CD
arxiv_dataset-618805.0623
Realization of a strongly interacting Bose-Fermi mixture from a two-component Fermi gas cond-mat.stat-mech We show the emergence of a strongly interacting Bose-Fermi mixture from a two-component Fermi mixture with population imbalance. By analyzing in situ density profiles of $^6$Li atoms in the BCS-BEC crossover...
arxiv topic:cond-mat.stat-mech
arxiv_dataset-619805.0723
Free subalgebras of Lie algebras close to nilpotent math.RA math.GR We prove that for every automata algebra of exponential growth, the associated Lie algebra contains a free subalgebra. For n\geq 1, let L_{n+2} be a Lie algebra with generator set x_1,..., x_{n+2} and the following relations: for k\leq n, any commu...
arxiv topic:math.RA math.GR
arxiv_dataset-620805.0823
A Spectroscopic Survey for Omega Centauri Members at and beyond the Cluster Tidal Radius astro-ph We have used the two-degree field (2dF) multi-fibre spectrograph of the Anglo-Australian Telescope to search for candidate members of the unusual globular cluster omega Centauri at and beyond the cluster tidal radius...
arxiv topic:astro-ph
arxiv_dataset-621805.0923
Pairing symmetry and properties of iron-based high temperature superconductors cond-mat.supr-con cond-mat.str-el Pairing symmetry is important to indentify the pairing mechanism. The analysis becomes particularly timely and important for the newly discovered iron-based multi-orbital superconductors. From group th...
arxiv topic:cond-mat.supr-con cond-mat.str-el
arxiv_dataset-622805.1023
Width and flow of hypersurfaces by curvature functions math.DG We give a bound on the extinction time for a compact, strictly convex hypersurface in R^{n+1} evolving by a geometric flow where the velocity is given in terms of the curvature. This result generalizes a theorem of Colding and Minicozzi for mean curvatu...
arxiv topic:math.DG
arxiv_dataset-623805.1123
Measurement and control of spatial qubits generated by passing photons through double-slits quant-ph We present an experimental study of the non-classical correlations of a pair of spatial qubits formed by passing two down-converted photons through a pair of double slits. After confirming the entanglement generat...
arxiv topic:quant-ph
arxiv_dataset-624805.1223
Observation of the Little-Parks Oscillations in a System of Asymmetric Superconducting Rings cond-mat.supr-con cond-mat.stat-mech Little-Parks oscillations are observed in a system of 110 series-connected aluminum rings 2000 nm in diameter with the use of measuring currents from 10 nA to 1000 nA. The measurements...
arxiv topic:cond-mat.supr-con cond-mat.stat-mech
arxiv_dataset-625805.1323
A trace formula for varieties over a discretely valued field math.AG We study the motivic Serre invariant of a smoothly bounded algebraic or rigid variety $X$ over a complete discretely valued field $K$ with perfect residue field $k$. If $K$ has characteristic zero, we extend the definition to arbitrary $K$-varieti...
arxiv topic:math.AG
arxiv_dataset-626805.1423
Five Dimensional bigravity. New topological description of the Universe physics.gen-ph We extend the bimetric description of the Universe to a five-dimensional framework. Starting from Souriau's work (1964) we use two Robertson-Walker metrics with an extra term corresponding to the additional Kaluza fifth dimension...
arxiv topic:physics.gen-ph
arxiv_dataset-627805.1523
On higher-power moments of $\Delta(x)$(III) math.NT Let $\Delta(x)$ be the error term of the Dirichlet divisor problem. An asymptotic formula with the error term $O(T^{53/28+\epsilon})$ is established for the integral $\int_1^T\Delta^4(x)dx.$ Similar results are also established for some other well-known error te...
arxiv topic:math.NT
arxiv_dataset-628805.1623
Rotational quenching rate coefficients for H_2 in collisions with H_2 from 2 to 10,000 K astro-ph Rate coefficients for rotational transitions in H_2 induced by H_2 impact are presented. Extensive quantum mechanical coupled-channel calculations based on a recently published (H_2)_2 potential energy surface were p...
arxiv topic:astro-ph
arxiv_dataset-629805.1723
A Wireless Embedded Tongue Tactile Biofeedback System for Balance Control q-bio.NC We describe the architecture of an original biofeedback system for balance improvement for fall prevention and present results of a feasibility study. The underlying principle of this biofeedback consists of providing supplementary...
arxiv topic:q-bio.NC
arxiv_dataset-630805.1823
The radial alignment of dark matter subhalos: from simulations to observations astro-ph We explore the radial alignment of subhalos in 2-dimensional projections of cosmological simulations. While most other recent studies focussed on quantifying the signal utilizing the full 3-dimensional spatial information any ...
arxiv topic:astro-ph
arxiv_dataset-631805.1923
Muon-spin rotation studies of SmFeAsO_0.85 and NdFeAsO_0.85 superconductors cond-mat.supr-con Measurements of the in-plane magnetic field penetration depth \lambda_{ab} in Fe-based superconductors with the nominal composition SmFeAsO_0.85 (T_c\simeq52K) and NdFeAsO_0.85 (T_c\simeq51K) were carried out by means of...
arxiv topic:cond-mat.supr-con
arxiv_dataset-632805.2023
The Kinematics of a Globally Propagating Disturbance in the Solar Corona astro-ph The kinematics of a globally propagating disturbance (also known as an ``EIT wave") is discussed using Extreme UltraViolet Imager (EUVI) data Solar Terrestrial Relations Observatory (STEREO). We show for the first time that an impulsi...
arxiv topic:astro-ph
arxiv_dataset-633805.2123
Bypassing Cowling's theorem in axisymmetric fluid dynamos physics.flu-dyn We present a numerical study of the magnetic field generated by an axisymmetrically forced flow in a spherical domain. At small enough Reynolds number, Re, the flow is axisymmetric and generates an equatorial dipole above a critical magnetic ...
arxiv topic:physics.flu-dyn
arxiv_dataset-634805.2223
Higgs Production via b bbar -> H in Hadron Colliders hep-ph I present NNNLO collinear and soft gluon corrections for Higgs production via the process b bbar -> H. I show that the collinear corrections dominate and contribute large enhancements to the cross section at both the Tevatron and the LHC.
arxiv topic:hep-ph
arxiv_dataset-635805.2323
Rotation profiles of solar-like stars with magnetic fields astro-ph The aim of this work is to investigate rotation profile of solar-like stars with magnetic fields. A diffusion coefficient of magnetic angular momentum transport is deduced. Rotating stellar models with different mass are computed under the effect o...
arxiv topic:astro-ph
arxiv_dataset-636805.2423
Green Codes: Energy-Efficient Short-Range Communication cs.IT math.IT A green code attempts to minimize the total energy per-bit required to communicate across a noisy channel. The classical information-theoretic approach neglects the energy expended in processing the data at the encoder and the decoder and only mi...
arxiv topic:cs.IT math.IT
arxiv_dataset-637805.2523
Model selection and sensitivity analysis for sequence pattern models math.ST stat.ME stat.TH In this article we propose a maximal a posteriori (MAP) criterion for model selection in the motif discovery problem and investigate conditions under which the MAP asymptotically gives a correct prediction of model size. We...
arxiv topic:math.ST stat.ME stat.TH
arxiv_dataset-638805.2623
Triplet Extended Supersymmetric Standard Model hep-ph We revisit an extension of the MSSM by adding a hypercharge-neutral, SU(2)-triplet chiral superfield. Similar to the NMSSM, the triplet gives an additional contribution to the quartic coupling in the Higgs potential, and the mass of the lightest CP-even Higgs bo...
arxiv topic:hep-ph
arxiv_dataset-639805.2723
Efficient $6j$ symbol evaluations for atomic calculations physics.atom-ph physics.chem-ph physics.comp-ph We have developed an efficient tabulation scheme to evaluate $6j$ symbol for atomic calculations. The scheme is appropriate for coupled-cluster based calculations. In particular, for perturbed coupled-clusters ...
arxiv topic:physics.atom-ph physics.chem-ph physics.comp-ph
arxiv_dataset-640805.2823
Note on the magnetic moment of the nucleon hep-ph The Goldberger-Treiman relation $M=2\pi/\sqrt{3}f^{\rm cl}_\pi$ where $M$ is the constituent quark mass in the chiral limit (cl) and $f^{\rm cl}_\pi$ the pion decay constant in the chiral limit predicts constituent quark masses of $m_u=328.8\pm 1.1$ MeV and $m_d=332...
arxiv topic:hep-ph
arxiv_dataset-641805.2923
K$^+$-nucleon interaction nucl-th The Born approximation to the quark-gluon-exchange mechanism for K$^+$N scattering is used as a starting point to generate a potential for this system. The valence quark wave function of the nucleon is generalized from a single Gaussian to a sum of Gaussians in order to have a more...
arxiv topic:nucl-th
arxiv_dataset-642805.3023
Representation of nonequilibrium steady states in large mechanical systems cond-mat.stat-mech Recently a novel concise representation of the probability distribution of heat conducting nonequilibrium steady states was derived. The representation is valid to the second order in the ``degree of nonequilibrium'', an...
arxiv topic:cond-mat.stat-mech
arxiv_dataset-643805.3123
Nonlinear unbalanced Bessel beams in the collapse of Gaussian beams arrested by nonlinear losses physics.optics Collapse of a Gaussian beam in self-focusing Kerr media arrested by nonlinear losses may lead to the spontaneous formation of a quasi-stationary nonlinear unbalanced Bessel beam with finite energy, whic...
arxiv topic:physics.optics
arxiv_dataset-644805.3223
Origin of Metallic States at Heterointerface between Band Insulators LaAlO$_3$ and SrTiO$_3$ cond-mat.mtrl-sci We have studied the electronic structure at the heterointerface between the band insulators LaAlO$_3$ and SrTiO$_3$ using $in situ$ photoemission spectroscopy. Our experimental results clearly reveal the...
arxiv topic:cond-mat.mtrl-sci
arxiv_dataset-645805.3323
Any counterexample to Makienko's conjecture is an indecomposable continuum math.DS math.GN Makienko's conjecture, a proposed addition to Sullivan's dictionary, can be stated as follows: The Julia set of a rational function R has buried points if and only if no component of the Fatou set is completely invariant un...
arxiv topic:math.DS math.GN
arxiv_dataset-646805.3423
Electroweak Bremsstrahlung in Dark Matter Annihilation hep-ph astro-ph A conservative upper bound on the total dark matter (DM) annihilation rate can be obtained by constraining the appearance rate of the annihilation products which are hardest to detect. The production of neutrinos, via the process $\chi \chi \to ...
arxiv topic:hep-ph astro-ph
arxiv_dataset-647805.3523
Reliability of Layered Neural Oscillator Networks q-bio.NC cond-mat.dis-nn nlin.AO We study the reliability of large networks of coupled neural oscillators in response to fluctuating stimuli. Reliability means that a stimulus elicits essentially identical responses upon repeated presentations. We view the problem o...
arxiv topic:q-bio.NC cond-mat.dis-nn nlin.AO
arxiv_dataset-648805.3623
High order radiative corrections for unpolarized electron proton elastic scattering at low $Q^2$ hep-ph We investigate the effect of high order radiative corrections in unpolarized electron proton elastic scattering and compare with the calculations at lowest order, which are usually applied to experimental data....
arxiv topic:hep-ph
arxiv_dataset-649805.3723
Dispersive optomechanics: a membrane inside a cavity quant-ph We present the results of theoretical and experimental studies of dispersively coupled (or "membrane in the middle") optomechanical systems. We calculate the linear optical properties of a high finesse cavity containing a thin dielectric membrane. We foc...
arxiv topic:quant-ph
arxiv_dataset-650805.3823
Fractional Calculus: Integral and Differential Equations of Fractional Order math-ph cond-mat.stat-mech math.CV math.HO math.MP We introduce the linear operators of fractional integration and fractional differentiation in the framework of the Riemann-Liouville fractional calculus. Particular attention is devoted ...
arxiv topic:math-ph cond-mat.stat-mech math.CV math.HO math.MP
arxiv_dataset-651805.3923
Estimate of a Trigonometrical Sum Involving Naturals with Binary Decompositions of a Special Kind math.NT Let $\mathbb{N}_0$ be a class of natural numbers whose binary decompositions has even number of 1. We estimate of the sum $\sum\limits_{n\in \mathbf{N}_0,n\le X}\exp(2\pi i \alpha n^2)$.
arxiv topic:math.NT
arxiv_dataset-652805.4023
Robust Joint Source-Channel Coding for Delay-Limited Applications cs.IT math.IT In this paper, we consider the problem of robust joint source-channel coding over an additive white Gaussian noise channel. We propose a new scheme which achieves the optimal slope of the signal-to-distortion (SDR) curve (unlike the pre...
arxiv topic:cs.IT math.IT
arxiv_dataset-653805.4123
Understanding the Very High-Energy Emission from Microquasars astro-ph Microquasars are X-ray binaries with relativistic jets. These jets are powerful energy carriers, thought to be fed by accretion, which produce non-thermal emission at different energy bands. To date, several Galactic sources showing extended rad...
arxiv topic:astro-ph
arxiv_dataset-654805.4223
Are Self-explaining and Coached Problem Solving More Effective When Done by Pairs of Students Than Alone? physics.ed-ph Although cognitive science has discovered several methods for increasing the learning of complex skills, such as physics problem solving, detailed examination of verbal protocols suggests there ...
arxiv topic:physics.ed-ph
arxiv_dataset-655805.4323
Network Connection Games with Disconnected Equilibria cs.GT In this paper we extend a popular non-cooperative network creation game (NCG) to allow for disconnected equilibrium networks. There are n players, each is a vertex in a graph, and a strategy is a subset of players to build edges to. For each edge a player ...
arxiv topic:cs.GT
arxiv_dataset-656805.4423
Does Khovanov homology detect the unknot? math.GT math.QA We determine a wide class of knots, which includes unknotting number one knots, within which Khovanov homology detects the unknot. A corollary is that the Khovanov homology of many satellite knots, including the Whitehead double, detects the unknot.
arxiv topic:math.GT math.QA
arxiv_dataset-657805.4523
$\alpha$ particle preformation in heavy nuclei and penetration probability nucl-ex The $\alpha$ particle preformation in the even-even nuclei from $^{108}$Te to $^{294}$118 and the penetration probability have been studied. The isotopes from Pb to U have been firstly investigated since the experimental data allow...
arxiv topic:nucl-ex
arxiv_dataset-658805.4623
Symmetry-breaking Fermi surface deformations from central interactions in two dimensions cond-mat.str-el cond-mat.stat-mech We present a mean field theory of the Pomeranchuk instability in two dimensions, starting from a generic central interaction potential described in terms of a few microscopic parameters. For...
arxiv topic:cond-mat.str-el cond-mat.stat-mech
arxiv_dataset-659805.4723
Dynamical symmetries of the Klein-Gordon equation quant-ph nucl-th The dynamical symmetries of the two-dimensional Klein-Gordon equations with equal scalar and vector potentials (ESVP) are studied. The dynamical symmetries are considered in the plane and the sphere respectively. The generators of the SO(3) group co...
arxiv topic:quant-ph nucl-th
arxiv_dataset-660805.4823
Positivity, local smoothing, and Harnack inequalities for very fast diffusion equations math.AP We investigate qualitative properties of local solutions $u(t,x)\ge 0$ to the fast diffusion equation, $\partial_t u =\Delta (u^m)/m$ with $m<1$, corresponding to general nonnegative initial data. Our main results are ...
arxiv topic:math.AP
arxiv_dataset-661806.0087
Postural destabilization induced by trunk extensor muscles fatigue is suppressed by use of a plantar pressure-based electro-tactile biofeedback q-bio.NC Separate studies have reported that postural control during quiet standing could be (1) impaired with muscle fatigue localized at the lower back, and (2) improve...
arxiv topic:q-bio.NC
arxiv_dataset-662806.0187
Nitrogen abundances in giant stars of the globular cluster NGC 6752 astro-ph We present N abundances for 21 bright giants in the globular cluster NGC 6752 based on high-resolution UVES spectra of the 3360A NH lines. We confirm that the Stromgren c1 index traces the N abundance and find that the star-to-star N abund...
arxiv topic:astro-ph
arxiv_dataset-663806.0287
Perturbative Approach on Financial Markets q-fin.PR math.PR We study the point of transition between complete and incomplete financial models thanks to Dirichlet Forms methods. We apply recent techniques, developped by Bouleau, to hedging procedures in order to perturbate parameters and stochastic processes, in the...
arxiv topic:q-fin.PR math.PR
arxiv_dataset-664806.0387
Euler-Lagrange models with complex currents of three-phase electrical machines and observability issues math.OC physics.class-ph A new Lagrangian formulation with complex currents is developed and yields a direct and simple method for modeling three-phase permanent-magnet and induction machines. The Lagrangian is...
arxiv topic:math.OC physics.class-ph
arxiv_dataset-665806.0487
Lower bounds for the normalized height and non-dense subsets of varieties in an abelian variety math.NT This work is the third part of a series of papers. In the first two we consider curves and varieties in a power of an elliptic curve. Here we deal with subvarieties of an abelian variety in general. Let V be ...
arxiv topic:math.NT
arxiv_dataset-666806.0587
Collisional stability of a three-component degenerate Fermi gas cond-mat.other We report on the creation of a degenerate Fermi gas consisting of a balanced mixture of atoms in three different hyperfine states of $^6$Li. This new system consists of three distinguishable Fermions with different and tunable interparti...
arxiv topic:cond-mat.other
arxiv_dataset-667806.0687
A Temperley-Lieb analogue for the BMW algebra math.RT math.QA The Temperley-Lieb algebra may be thought of as a quotient of the Hecke algebra of type A, acting on tensor space as the commutant of the usual action of quantum sl(2) on the n-th tensor power of the 2-dimensional irreducible module. We define and study ...
arxiv topic:math.RT math.QA
arxiv_dataset-668806.0787
Power reductivity over an arbitrary base math.RT Our starting point is Mumford's conjecture, on representations of Chevalley groups over fields, as it is phrased in the preface of "Geometric Invariant Theory". After extending the conjecture appropriately, we show that it holds over an arbitrary commutative base rin...
arxiv topic:math.RT
arxiv_dataset-669806.0887
Partial K-way negativities and three tangle for three qubit states quant-ph We obtain, analytically, the global negativity, partial $K-$way negativities (K=2, 3), Wooter's tangle and three tangle for the generic three qubit canonical state. It is found that the product of global negativity and partial three way neg...
arxiv topic:quant-ph
arxiv_dataset-670806.0987
Decoherence, Entanglement and Irreversibility in Quantum Dynamical Systems with Few Degrees of Freedom quant-ph cond-mat.mes-hall nlin.CD This review summarizes and amplifies on recent investigations of coupled quantum dynamical systems in the short wavelength limit. We formulate and attempt to answer three funda...
arxiv topic:quant-ph cond-mat.mes-hall nlin.CD
arxiv_dataset-671806.1087
Surface Solitons in Three Dimensions nlin.PS We study localized modes on the surface of a three-dimensional dynamical lattice. The stability of these structures on the surface is investigated and compared to that in the bulk of the lattice. Typically, the surface makes the stability region larger, an extreme exampl...
arxiv topic:nlin.PS
arxiv_dataset-672806.1187
Is the ground state of Yang-Mills theory Coulombic? hep-lat hep-ph hep-th We study trial states modelling the heavy quark-antiquark ground state in SU(2) Yang-Mills theory. A state describing the flux tube between quarks as a thin string of glue is found to be a poor description of the continuum ground state; the i...
arxiv topic:hep-lat hep-ph hep-th
arxiv_dataset-673806.1287
Quasi-cycles in a spatial predator-prey model q-bio.PE cond-mat.stat-mech We show that spatial models of simple predator-prey interactions predict that predator and prey numbers oscillate in time and space. These oscillations are not seen in the deterministic versions of the models, but are due to stochastic fluctu...
arxiv topic:q-bio.PE cond-mat.stat-mech
arxiv_dataset-674806.1387
Prospects and pitfalls of gravitational lensing in large supernova surveys astro-ph To investigate the effect of gravitational lensing of supernovae in large ongoing surveys, we simulate the effect of gravitational lensing magnification on individual supernovae using observational data input from two large supern...
arxiv topic:astro-ph
arxiv_dataset-675806.1487
Simulations and cosmological inference: A statistical model for power spectra means and covariances astro-ph We describe an approximate statistical model for the sample variance distribution of the non-linear matter power spectrum that can be calibrated from limited numbers of simulations. Our model retains the c...
arxiv topic:astro-ph
arxiv_dataset-676806.1587
Fixed points in models of continuous opinion dynamics under bounded confidence physics.soc-ph math.DS We present two models of continuous opinion dynamics under bounded confidence which are representable as nonnegative discrete dynamical systems, namely the Hegselmann-Krause model (Hegselmann and Krause, Journal ...
arxiv topic:physics.soc-ph math.DS
arxiv_dataset-677806.1687
Superconductivity induced by oxygen deficiency in Sr-doped LaOFeAs cond-mat.supr-con cond-mat.mtrl-sci We synthesized Sr-doped $La_{0.85}Sr_{0.15}OFeAs$ sample with single phase, and systematically studied the effect of oxygen deficiency in the Sr-doped LaOFeAs system. It is found that substitution of Sr for La ind...
arxiv topic:cond-mat.supr-con cond-mat.mtrl-sci
arxiv_dataset-678806.1787
The Origin and Evolution of \civ Baldwin Effect in QSOs from the Sloan Digital Sky Survey astro-ph Using a large sample of 26623 quasars with redshifts in the range $1.5 \le z\le 5.1$ with \civ $\lambda$1549 \AA emission line in Fifth Data Release of the Sloan Digital Sky Survey (SDSS), we investigate the cosmolo...
arxiv topic:astro-ph
arxiv_dataset-679806.1887
A family of transversely nonsimple knots math.GT math.SG We apply knot Floer homology to exhibit an infinite family of transversely nonsimple prime knots starting with $10_{132}$. We also discuss the combinatorial relationship between grid diagrams, braids, and Legendrian and transverse knots in standard contact $\...
arxiv topic:math.GT math.SG
arxiv_dataset-680806.1987
Renormalizable minimal SO(10) GUT in 4D and 5D hep-ph This report is a review of the present status of GUT, especially renormalizable minimal SO(10) GUT, and its future prospect. It consists of two parts. In part I, I review how the minimal renormalizable supersymmetric SO(10) GUT, an SO(10) framework with only o...
arxiv topic:hep-ph
arxiv_dataset-681806.2087
Probing the low-x structure of nuclear matter with diffractive hadron production in pA collisions hep-ph nucl-ex nucl-th We argue that hadron production in coherent diffraction of proton on a heavy nucleus provides a very sensitive probe of the low-x QCD dynamics. This process probes the BFKL dynamics in proton a...
arxiv topic:hep-ph nucl-ex nucl-th
arxiv_dataset-682806.2187
Asymptotic analysis of a boundary-value problem with the nonlinear boundary multiphase interactions in a perforated domain math.AP We consider a boundary-value problem for the second order elliptic differential operator with rapidly oscillating coefficients in a domain $\Omega_{\epsilon}$ that is $\epsilon-$perio...
arxiv topic:math.AP
arxiv_dataset-683806.2287
Approximately Counting Embeddings into Random Graphs cs.DS cs.DM Let H be a graph, and let C_H(G) be the number of (subgraph isomorphic) copies of H contained in a graph G. We investigate the fundamental problem of estimating C_H(G). Previous results cover only a few specific instances of this general problem, for ...
arxiv topic:cs.DS cs.DM
arxiv_dataset-684806.2387
Radio observations of NGC 2808 and other globular clusters: constraints on intermediate mass black holes astro-ph We present the results of a deep radio observation of the globular cluster NGC 2808. We show that there are no sources detected within the core of the cluster, placing constraints on both the pulsar p...
arxiv topic:astro-ph
arxiv_dataset-685806.2487
Electron - Dark Matter Scattering in an Evacuated Tube hep-ex The light dark matter model can explain both the primordial abundance of dark matter and the anomalous 511 keV gamma-ray signal from the galactic center. This model posits a light neutral scalar, \chi, with a mass in the range 1 MeV < Mchi < 10 MeV, as w...
arxiv topic:hep-ex
arxiv_dataset-686806.2587
q-Deformation and Semidualisation in 3d Quantum Gravity gr-qc hep-th math-ph math.MP We explore in detail the role in euclidean 3d quantum gravity of quantum Born reciprocity or `semidualisation'. The latter is an algebraic operation defined using quantum group methods that interchanges position and momentum. Using...
arxiv topic:gr-qc hep-th math-ph math.MP
arxiv_dataset-687806.2687
Forward Production of Protons and Pions in Heavy-ion Collisions nucl-th The problem of forward production of hadrons in heavy-ion collision at RHIC is revisited with modification of the theoretical treatment on the one hand and with the use of new data on the other. The basic formalism for hadronization remains the...
arxiv topic:nucl-th
arxiv_dataset-688806.2787
Sorting a Permutation by block moves math.CO We prove a lower and an upper bound on the number of block moves necessary to sort a permutation. We put our results in contrast with existing results on sorting by block transpositions, and raise some open questions.
arxiv topic:math.CO
arxiv_dataset-689806.2887
Simulating Cosmic Reionization astro-ph The Cosmic Dark Ages and the Epoch of Reionization constitute a crucial missing link in our understanding of the evolution of the intergalactic medium and the formation and evolution of galaxies. Due to the complex nature of this global process it is best studied through larg...
arxiv topic:astro-ph
arxiv_dataset-690806.2987
Energy improvement for energy minimizing functions in the complement of generalized Reifenberg-flat sets math.AP Let P be an hyperplane in R^N, and denote by dH the Hausdorff distance. We show that for all positive radius r < 1 there is an epsilon > 0, such that if K is a Reifenberg-flat set in B(0; 1), a ball in...
arxiv topic:math.AP
arxiv_dataset-691806.3087
The seesaw mechanism at TeV scale in the 3-3-1 model with right-handed neutrinos hep-ph We implement the seesaw mechanism in the 3-3-1 model with right-handed neutrinos. This is accomplished by the introduction of a scalar sextet into the model and the spontaneous violation of the lepton number. We identify the M...
arxiv topic:hep-ph
arxiv_dataset-692806.3187
On Transmission Line Resonances in High T$_C$ dc SQUIDs cond-mat.supr-con In this paper, we study transmission line resonances in high $T_C$ dc SQUIDs. These resonances are exhibited in the characteristics of SQUIDs which are fabricated on substrates with high dielectric constant, such as strontium titanate. The po...
arxiv topic:cond-mat.supr-con
arxiv_dataset-693806.3287
Multi-layered Spectral Formation in SNe Ia Around Maximum Light astro-ph We use the radiative transfer code PHOENIX to study the line formation of the wavelength region 5000-7000 Angstroms. This is the region where the SNe Ia defining Si II feature occurs. This region is important since the ratio of the two nearby ...
arxiv topic:astro-ph
arxiv_dataset-694806.3387
Dissipative dynamics of a biased qubit coupled to a harmonic oscillator: Analytical results beyond the rotating wave approximation quant-ph cond-mat.mes-hall cond-mat.supr-con We study the dissipative dynamics of a biased two-level system (TLS) coupled to a harmonic oscillator (HO), the latter interacting with an...
arxiv topic:quant-ph cond-mat.mes-hall cond-mat.supr-con
arxiv_dataset-695806.3487
The twisted Floer homology of torus bundles math.GT Given a torus bundle $Y$ over the circle and a cohomology class $[\omega]\in H^2(Y;\mathbb{Z})$ which evaluates nontrivially on the fiber, we compute the Heegaard Floer homology of $Y$ with twisted coefficients in the universal Novikov ring.
arxiv topic:math.GT
arxiv_dataset-696806.3587
A Maximum Principle for Elliptic Pseudo-differential Operators on Closed, Riemannian Manifolds math.AP math-ph math.MP In this note we establish the positivity of Green's functions for a class of elliptic differential operators on closed, Riemannian manifolds.
arxiv topic:math.AP math-ph math.MP
arxiv_dataset-697806.3687
Quantum Group of Orientation preserving Riemannian Isometries math.QA math.OA We formulate a quantum group analogue of the group of orinetation-preserving Riemannian isometries of a compact Riemannian spin manifold, more generally, of a (possibly $R$-twisted in the sense of a paper of one of the authors, and of com...
arxiv topic:math.QA math.OA
arxiv_dataset-698806.3787
Computational Approaches to Measuring the Similarity of Short Contexts : A Review of Applications and Methods cs.CL Measuring the similarity of short written contexts is a fundamental problem in Natural Language Processing. This article provides a unifying framework by which short context problems can be categori...
arxiv topic:cs.CL
arxiv_dataset-699806.3887
Conceptualization of seeded region growing by pixels aggregation. Part 2: how to localize a final partition invariant about the seeded region initialisation order cs.CV In the previous paper, we have conceptualized the localization and the organization of seeded region growing by pixels aggregation (SRGPA) but ...
arxiv topic:cs.CV