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706.1314
When Did Cosmic Acceleration Start ?
A precise determination, and comparison, of the epoch of the onset of cosmic acceleration, at redshift z_acc, and of dark energy domination, at z_eq, provides an interesting measure with which to parameterize dark energy models. By combining several cosmological datasets we place constraints on the redshift and age o...
astro-ph gr-qc hep-ph
a precise determination and comparison of the epoch of the onset of cosmic acceleration at redshift z_acc and of dark energy domination at z_eq provides an interesting measure with which to parameterize dark energy models by combining several cosmological datasets we place constraints on the redshift and age of cosmolo...
[['a', 'precise', 'determination', 'and', 'comparison', 'of', 'the', 'epoch', 'of', 'the', 'onset', 'of', 'cosmic', 'acceleration', 'at', 'redshift', 'z_acc', 'and', 'of', 'dark', 'energy', 'domination', 'at', 'z_eq', 'provides', 'an', 'interesting', 'measure', 'with', 'which', 'to', 'parameterize', 'dark', 'energy', '...
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706.1315
The Dirac system on the Anti-de Sitter Universe
We investigate the global solutions of the Dirac equation on the Anti-de-Sitter Universe. Since this space is not globally hyperbolic, the Cauchy problem is not, {\it a priori}, well-posed. Nevertheless we can prove that there exists unitary dynamics, but its uniqueness crucially depends on the ratio beween the mass ...
math-ph math.AP math.MP
we investigate the global solutions of the dirac equation on the antidesitter universe since this space is not globally hyperbolic the cauchy problem is not it a priori wellposed nevertheless we can prove that there exists unitary dynamics but its uniqueness crucially depends on the ratio beween the mass m of the field...
[['we', 'investigate', 'the', 'global', 'solutions', 'of', 'the', 'dirac', 'equation', 'on', 'the', 'antidesitter', 'universe', 'since', 'this', 'space', 'is', 'not', 'globally', 'hyperbolic', 'the', 'cauchy', 'problem', 'is', 'not', 'it', 'a', 'priori', 'wellposed', 'nevertheless', 'we', 'can', 'prove', 'that', 'there...
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706.1316
Coupling of Optical Lumped Nanocircuit Elements and Effects of Substrates
We present here a model for the coupling among small nanoparticles excited by an optical electric field in the framework of our optical lumped nanocircuit theory [N. Engheta, A. Salandrino, and A. Alu Phys. Rev. Lett. 95, 095504 (2005)]. We derive how this coupling affects the corresponding nanocircuit model by addin...
cond-mat.mtrl-sci
we present here a model for the coupling among small nanoparticles excited by an optical electric field in the framework of our optical lumped nanocircuit theory n engheta a salandrino and a alu phys rev lett 95 095504 2005 we derive how this coupling affects the corresponding nanocircuit model by adding controlled sou...
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706.1317
A model for learning to segment temporal sequences, utilizing a mixture of RNN experts together with adaptive variance
This paper proposes a novel learning method for a mixture of recurrent neural network (RNN) experts model, which can acquire the ability to generate desired sequences by dynamically switching between experts. Our method is based on maximum likelihood estimation, using a gradient descent algorithm. This approach is si...
nlin.AO
this paper proposes a novel learning method for a mixture of recurrent neural network rnn experts model which can acquire the ability to generate desired sequences by dynamically switching between experts our method is based on maximum likelihood estimation using a gradient descent algorithm this approach is similar to...
[['this', 'paper', 'proposes', 'a', 'novel', 'learning', 'method', 'for', 'a', 'mixture', 'of', 'recurrent', 'neural', 'network', 'rnn', 'experts', 'model', 'which', 'can', 'acquire', 'the', 'ability', 'to', 'generate', 'desired', 'sequences', 'by', 'dynamically', 'switching', 'between', 'experts', 'our', 'method', 'is...
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706.1318
Constructing a maximum utility slate of on-line advertisements
We present an algorithm for constructing an optimal slate of sponsored search advertisements which respects the ordering that is the outcome of a generalized second price auction, but which must also accommodate complicating factors such as overall budget constraints. The algorithm is easily fast enough to use on the...
cs.DM cs.DS
we present an algorithm for constructing an optimal slate of sponsored search advertisements which respects the ordering that is the outcome of a generalized second price auction but which must also accommodate complicating factors such as overall budget constraints the algorithm is easily fast enough to use on the fly...
[['we', 'present', 'an', 'algorithm', 'for', 'constructing', 'an', 'optimal', 'slate', 'of', 'sponsored', 'search', 'advertisements', 'which', 'respects', 'the', 'ordering', 'that', 'is', 'the', 'outcome', 'of', 'a', 'generalized', 'second', 'price', 'auction', 'but', 'which', 'must', 'also', 'accommodate', 'complicati...
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706.1319
Dealing with delicate issues in waveforms calculations
We revisit the calculation of gravitational radiation through the use of Weyl scalars. We point out several possible problems arising from gauge and tetrad ambiguities and ways to address them. Our analysis indicates how, relatively simple corrections can be introduced to remove these ambiguities.
gr-qc
we revisit the calculation of gravitational radiation through the use of weyl scalars we point out several possible problems arising from gauge and tetrad ambiguities and ways to address them our analysis indicates how relatively simple corrections can be introduced to remove these ambiguities
[['we', 'revisit', 'the', 'calculation', 'of', 'gravitational', 'radiation', 'through', 'the', 'use', 'of', 'weyl', 'scalars', 'we', 'point', 'out', 'several', 'possible', 'problems', 'arising', 'from', 'gauge', 'and', 'tetrad', 'ambiguities', 'and', 'ways', 'to', 'address', 'them', 'our', 'analysis', 'indicates', 'how...
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706.132
Accretion vs colliding wind models for the gamma-ray binary LS I +61 303: an assessment
LS I +61 303 is a puzzling Be/X-ray binary with variable gamma-ray emission at up TeV energies. The nature of the compact object and the origin of the high-energy emission are unclear. One family of models invokes particle acceleration in shocks from the collision between the B-star wind and a relativistic pulsar win...
astro-ph
ls i 61 303 is a puzzling bexray binary with variable gammaray emission at up tev energies the nature of the compact object and the origin of the highenergy emission are unclear one family of models invokes particle acceleration in shocks from the collision between the bstar wind and a relativistic pulsar wind while an...
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706.1321
Detailed study of the GRB 030329 radio afterglow deep into the non-relativistic phase
We explore the physics behind one of the brightest radio afterglows ever, GRB 030329, at late times when the jet is non-relativistic. We determine the physical parameters of the blast wave and its surroundings, in particular the index of the electron energy distribution, the energy of the blast wave, and the density ...
astro-ph
we explore the physics behind one of the brightest radio afterglows ever grb 030329 at late times when the jet is nonrelativistic we determine the physical parameters of the blast wave and its surroundings in particular the index of the electron energy distribution the energy of the blast wave and the density structure...
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706.1322
Thermodynamics and the virial expansion for trapped fluids in arbitrary external potentials
We present the full thermodynamics of a fluid confined by an arbitrary external potential based on the virial expansion of the grand potential. The fluid may be classical or quantum and it is assumed that interatomic interactions are pairwise additive. We indicate how the appropriate "generalized" volume and pressure...
cond-mat.stat-mech
we present the full thermodynamics of a fluid confined by an arbitrary external potential based on the virial expansion of the grand potential the fluid may be classical or quantum and it is assumed that interatomic interactions are pairwise additive we indicate how the appropriate generalized volume and pressure varia...
[['we', 'present', 'the', 'full', 'thermodynamics', 'of', 'a', 'fluid', 'confined', 'by', 'an', 'arbitrary', 'external', 'potential', 'based', 'on', 'the', 'virial', 'expansion', 'of', 'the', 'grand', 'potential', 'the', 'fluid', 'may', 'be', 'classical', 'or', 'quantum', 'and', 'it', 'is', 'assumed', 'that', 'interato...
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706.1323
GRB 030329: 3 years of radio afterglow monitoring
Radio observations of gamma-ray burst (GRB) afterglows are essential for our understanding of the physics of relativistic blast waves, as they enable us to follow the evolution of GRB explosions much longer than the afterglows in any other wave band. We have performed a three-year monitoring campaign of GRB 030329 wi...
astro-ph
radio observations of gammaray burst grb afterglows are essential for our understanding of the physics of relativistic blast waves as they enable us to follow the evolution of grb explosions much longer than the afterglows in any other wave band we have performed a threeyear monitoring campaign of grb 030329 with the w...
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706.1324
GRB 030329: three years of radio afterglow monitoring
Radio observations of gamma-ray burst (GRB) afterglows are essential for our understanding of the physics of relativistic blast waves, as they enable us to follow the evolution of GRB explosions much longer than the afterglows in any other wave band. We have performed a three-year monitoring campaign of GRB 030329 wi...
astro-ph
radio observations of gammaray burst grb afterglows are essential for our understanding of the physics of relativistic blast waves as they enable us to follow the evolution of grb explosions much longer than the afterglows in any other wave band we have performed a threeyear monitoring campaign of grb 030329 with the w...
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706.1325
Possible astronomical references in the planning of the Great Hopewell Road
The possible existence of astronomical references in the planning of the so-called Great Hopewell Road, a 90 Kilometres straight road composed of two parallel earthen embankments which, according to recent surveys, likely connected the Hopewell ceremonial centres of Newark and Chillicothe, Ohio, are investigated. It ...
physics.hist-ph
the possible existence of astronomical references in the planning of the socalled great hopewell road a 90 kilometres straight road composed of two parallel earthen embankments which according to recent surveys likely connected the hopewell ceremonial centres of newark and chillicothe ohio are investigated it turns out...
[['the', 'possible', 'existence', 'of', 'astronomical', 'references', 'in', 'the', 'planning', 'of', 'the', 'socalled', 'great', 'hopewell', 'road', 'a', '90', 'kilometres', 'straight', 'road', 'composed', 'of', 'two', 'parallel', 'earthen', 'embankments', 'which', 'according', 'to', 'recent', 'surveys', 'likely', 'con...
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706.1326
The oscillation stability problem for the Urysohn sphere: A combinatorial approach
We study the oscillation stability problem for the Urysohn sphere, an analog of the distortion problem for $\ell_2$ in the context of the Urysohn space $\Ur$. In particular, we show that this problem reduces to a purely combinatorial problem involving a family of countable ultrahomogeneous metric spaces with finitely...
math.MG math.CO
we study the oscillation stability problem for the urysohn sphere an analog of the distortion problem for ell_2 in the context of the urysohn space ur in particular we show that this problem reduces to a purely combinatorial problem involving a family of countable ultrahomogeneous metric spaces with finitely many dista...
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706.1327
Hopf Algebras of Heap Ordered Trees and Permutations
It is known that there is a Hopf algebra structure on the vector space with basis all heap-ordered trees. We give a new bialgebra structure on the space with basis all permutations and show that there is a direct bialgebra isomorphism between the Hopf algebra of heap-ordered trees and the bialgebra of permutations.
math.RA
it is known that there is a hopf algebra structure on the vector space with basis all heapordered trees we give a new bialgebra structure on the space with basis all permutations and show that there is a direct bialgebra isomorphism between the hopf algebra of heapordered trees and the bialgebra of permutations
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706.1328
N = 4 Superfiel Phase Space Coordinates and Hamiltonian Quantization
The N = 4 superfield phase space coordinates are given in the harmonic superspace. The expressions of the N = 4 classical equations of motion are determined in terms of the spinorial and harmonic supercharges. Furthermore, the N = 4 supersymmetric actions are obtained by means of the fermionic and harmonic functional...
hep-th
the n 4 superfield phase space coordinates are given in the harmonic superspace the expressions of the n 4 classical equations of motion are determined in terms of the spinorial and harmonic supercharges furthermore the n 4 supersymmetric actions are obtained by means of the fermionic and harmonic functionals on the ot...
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706.1329
Solidity of viscous liquids. V. Long-wavelength dominance of the dynamics
This paper is the fifth in a series exploring the physical consequences of the solidity of glass-forming liquids. Paper IV proposed a model where the density field is described by a time-dependent Ginzburg-Landau equation of the nonconserved type with rates in $k$ space of the form $\Gamma_0+Dk^2$. The model assumes ...
cond-mat.soft
this paper is the fifth in a series exploring the physical consequences of the solidity of glassforming liquids paper iv proposed a model where the density field is described by a timedependent ginzburglandau equation of the nonconserved type with rates in k space of the form gamma_0dk2 the model assumes that dgggamma_...
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706.133
Note on: Considering the Case for Biodiversity Cycles: Reexamining the Evidence for Periodicity in the Fossil Record, by Lieberman and Melott, arXiv preprint 0704.2896
Lieberman and Melott built their recent arXiv preprint 0704.2896 on my published paper and (a preprint of) a subsequent comment by Liebermans associate Cornette. But had this group waited for the Cornette comment to actually appear in print together with the expected Reply, they would have learned that his comment ex...
q-bio.PE astro-ph physics.geo-ph
lieberman and melott built their recent arxiv preprint 07042896 on my published paper and a preprint of a subsequent comment by liebermans associate cornette but had this group waited for the cornette comment to actually appear in print together with the expected reply they would have learned that his comment exposes c...
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706.1331
On a Smale Theorem and Nonhomogeneous Equilibria in Cooperative Systems
A standard result by Smale states that n dimensional strongly cooperative dynamical systems can have arbitrary dynamics when restricted to unordered invariant hyperspaces. In this paper this result is extended to the case when all solutions of the strongly cooperative system are bounded and converge towards one of on...
math.DS math.AP
a standard result by smale states that n dimensional strongly cooperative dynamical systems can have arbitrary dynamics when restricted to unordered invariant hyperspaces in this paper this result is extended to the case when all solutions of the strongly cooperative system are bounded and converge towards one of only ...
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706.1332
Constraints on Galaxy Structure and Evolution from the Light of Nearby Systems
We review knowledge of galaxy structures obtained by their emitted light and in the local universe where they can be studied in great detail. We discuss the shapes of, and stellar motions within, galaxies, compositional clues derived from their spectra, and what luminous matter implies about their dark matter content...
astro-ph
we review knowledge of galaxy structures obtained by their emitted light and in the local universe where they can be studied in great detail we discuss the shapes of and stellar motions within galaxies compositional clues derived from their spectra and what luminous matter implies about their dark matter content implic...
[['we', 'review', 'knowledge', 'of', 'galaxy', 'structures', 'obtained', 'by', 'their', 'emitted', 'light', 'and', 'in', 'the', 'local', 'universe', 'where', 'they', 'can', 'be', 'studied', 'in', 'great', 'detail', 'we', 'discuss', 'the', 'shapes', 'of', 'and', 'stellar', 'motions', 'within', 'galaxies', 'compositional...
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706.1333
An explicit construction of the Quillen homotopical category of dg Lie algebras
Let $\g_1$ and $\g_2$ be two dg Lie algebras, then it is well-known that the $L_\infty$ morphisms from $\g_1$ to $\g_2$ are in 1-1 correspondence to the solutions of the Maurer-Cartan equation in some dg Lie algebra $\Bbbk(\g_1,\g_2)$. Then the gauge action by exponents of the zero degree component $\Bbbk(\g_1,\g_2)^...
math.KT math.QA
let g_1 and g_2 be two dg lie algebras then it is wellknown that the l_infty morphisms from g_1 to g_2 are in 11 correspondence to the solutions of the maurercartan equation in some dg lie algebra bbbkg_1g_2 then the gauge action by exponents of the zero degree component bbbkg_1g_20 on mcsubsetbbbkg_1g_21 gives an expl...
[['let', 'g_1', 'and', 'g_2', 'be', 'two', 'dg', 'lie', 'algebras', 'then', 'it', 'is', 'wellknown', 'that', 'the', 'l_infty', 'morphisms', 'from', 'g_1', 'to', 'g_2', 'are', 'in', '11', 'correspondence', 'to', 'the', 'solutions', 'of', 'the', 'maurercartan', 'equation', 'in', 'some', 'dg', 'lie', 'algebra', 'bbbkg_1g_...
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706.1334
Transients from initial conditions based on Lagrangian perturbation theory in N-body simulations
We explore the initial conditions for cosmological N-body simulations suitable for calculating the skewness and kurtosis of the density field. In general, the initial conditions based on the perturbation theory (PT) provide incorrect second-order and higher-order growth. These errors implied by the use of the perturb...
astro-ph
we explore the initial conditions for cosmological nbody simulations suitable for calculating the skewness and kurtosis of the density field in general the initial conditions based on the perturbation theory pt provide incorrect secondorder and higherorder growth these errors implied by the use of the perturbation theo...
[['we', 'explore', 'the', 'initial', 'conditions', 'for', 'cosmological', 'nbody', 'simulations', 'suitable', 'for', 'calculating', 'the', 'skewness', 'and', 'kurtosis', 'of', 'the', 'density', 'field', 'in', 'general', 'the', 'initial', 'conditions', 'based', 'on', 'the', 'perturbation', 'theory', 'pt', 'provide', 'in...
[-0.10705759212995351, 0.11966542834206746, -0.12443817829912047, 0.12088684921330783, -0.01806463900524495, -0.07035613787789526, -0.012885532332741227, 0.3542448149801407, -0.19660968351795266, -0.2942563130342391, 0.14733993700114237, -0.2620667586144939, -0.10219661858354812, 0.21636383336304238, 0.0230088281707466...
706.1335
Geometric mesoscopic correlations in quasi-one dimension
We study analytically and numerically field/intensity correlations in wave transport through volume-disordered waveguide. The obtained channel and spacial correlations deviate from those found in framework of Dorokhov-Mello-Pereyra-Kumar (DMPK) formalism, that we relate to inapplicability of equivalent channel approx...
cond-mat.mes-hall cond-mat.dis-nn
we study analytically and numerically fieldintensity correlations in wave transport through volumedisordered waveguide the obtained channel and spacial correlations deviate from those found in framework of dorokhovmellopereyrakumar dmpk formalism that we relate to inapplicability of equivalent channel approximation in ...
[['we', 'study', 'analytically', 'and', 'numerically', 'fieldintensity', 'correlations', 'in', 'wave', 'transport', 'through', 'volumedisordered', 'waveguide', 'the', 'obtained', 'channel', 'and', 'spacial', 'correlations', 'deviate', 'from', 'those', 'found', 'in', 'framework', 'of', 'dorokhovmellopereyrakumar', 'dmpk...
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706.1336
Can aerosols be trapped in open flows?
The fate of aerosols in open flows is relevant in a variety of physical contexts. Previous results are consistent with the assumption that such finite-size particles always escape in open chaotic advection. Here we show that a different behavior is possible. We analyze the dynamics of aerosols both in the absence and...
nlin.CD astro-ph physics.flu-dyn
the fate of aerosols in open flows is relevant in a variety of physical contexts previous results are consistent with the assumption that such finitesize particles always escape in open chaotic advection here we show that a different behavior is possible we analyze the dynamics of aerosols both in the absence and prese...
[['the', 'fate', 'of', 'aerosols', 'in', 'open', 'flows', 'is', 'relevant', 'in', 'a', 'variety', 'of', 'physical', 'contexts', 'previous', 'results', 'are', 'consistent', 'with', 'the', 'assumption', 'that', 'such', 'finitesize', 'particles', 'always', 'escape', 'in', 'open', 'chaotic', 'advection', 'here', 'we', 'sho...
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706.1337
A note on Poisson homogeneous spaces
We identify the cotangent bundle Lie algebroid of a Poisson homogeneous space G/H of a Poisson Lie group G as a quotient of a transformation Lie algebroid over G. As applications, we describe the modular vector fields of G/H, and we identify the Poisson cohomology of G/H with coefficients in powers of its canonical l...
math.DG math.SG
we identify the cotangent bundle lie algebroid of a poisson homogeneous space gh of a poisson lie group g as a quotient of a transformation lie algebroid over g as applications we describe the modular vector fields of gh and we identify the poisson cohomology of gh with coefficients in powers of its canonical line bund...
[['we', 'identify', 'the', 'cotangent', 'bundle', 'lie', 'algebroid', 'of', 'a', 'poisson', 'homogeneous', 'space', 'gh', 'of', 'a', 'poisson', 'lie', 'group', 'g', 'as', 'a', 'quotient', 'of', 'a', 'transformation', 'lie', 'algebroid', 'over', 'g', 'as', 'applications', 'we', 'describe', 'the', 'modular', 'vector', 'f...
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706.1338
Supersymmetric Hamiltonian Approach to Edge Excitations in $\nu = 5/2$ Fractional Quantum Hall Effect
A supersymmetric Hamiltonian is constructed for the edge excitations of the Moore-Read (Pfaffian) like state, which is a realization of the N=2 supersymmetric CS model. Fermionic generators and their conjugates are introduced to deal with the fermion pairing, whose condensation form a BCS like state. After Bogoliubov...
hep-th cond-mat.mes-hall
a supersymmetric hamiltonian is constructed for the edge excitations of the mooreread pfaffian like state which is a realization of the n2 supersymmetric cs model fermionic generators and their conjugates are introduced to deal with the fermion pairing whose condensation form a bcs like state after bogoliubov transform...
[['a', 'supersymmetric', 'hamiltonian', 'is', 'constructed', 'for', 'the', 'edge', 'excitations', 'of', 'the', 'mooreread', 'pfaffian', 'like', 'state', 'which', 'is', 'a', 'realization', 'of', 'the', 'n2', 'supersymmetric', 'cs', 'model', 'fermionic', 'generators', 'and', 'their', 'conjugates', 'are', 'introduced', 't...
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706.1339
Verification theorem and construction of $\epsilon$-optimal controls for control of abstract evolution equations
We study several aspects of the dynamic programming approach to optimal control of abstract evolution equations, including a class of semilinear partial differential equations. We introduce and prove a verification theorem which provides a sufficient condition for optimality. Moreover we prove sub- and superoptimalit...
math.OC
we study several aspects of the dynamic programming approach to optimal control of abstract evolution equations including a class of semilinear partial differential equations we introduce and prove a verification theorem which provides a sufficient condition for optimality moreover we prove sub and superoptimality prin...
[['we', 'study', 'several', 'aspects', 'of', 'the', 'dynamic', 'programming', 'approach', 'to', 'optimal', 'control', 'of', 'abstract', 'evolution', 'equations', 'including', 'a', 'class', 'of', 'semilinear', 'partial', 'differential', 'equations', 'we', 'introduce', 'and', 'prove', 'a', 'verification', 'theorem', 'whi...
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706.134
Cluster abundances and S-Z power spectra: effects of non-Gaussianity and early dark energy
In the standard Lambda CDM cosmological model with a Gaussian primordial density fluctuation field, the relatively low value of the mass variance parameter (sigma_8=0.74{+0.05}{-0.06}, obtained from the WMAP 3-year data) results in a reduced likelihood that the measured level of CMB anisotropy on the scales of cluste...
astro-ph
in the standard lambda cdm cosmological model with a gaussian primordial density fluctuation field the relatively low value of the mass variance parameter sigma_8074005006 obtained from the wmap 3year data results in a reduced likelihood that the measured level of cmb anisotropy on the scales of clusters is due to the ...
[['in', 'the', 'standard', 'lambda', 'cdm', 'cosmological', 'model', 'with', 'a', 'gaussian', 'primordial', 'density', 'fluctuation', 'field', 'the', 'relatively', 'low', 'value', 'of', 'the', 'mass', 'variance', 'parameter', 'sigma_8074005006', 'obtained', 'from', 'the', 'wmap', '3year', 'data', 'results', 'in', 'a', ...
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706.1341
A Study in Depth of f0(1370)
Claims have been made that f0(1370) does not exist. The five primary sets of data requiring its existence are refitted. Major dispersive effects due to the opening of the 4pi threshold are included for the first time; the sigma -> 4pi amplitude plays a strong role. Crystal Barrel data on pbar-p -> 3pizero at rest req...
hep-ex
claims have been made that f01370 does not exist the five primary sets of data requiring its existence are refitted major dispersive effects due to the opening of the 4pi threshold are included for the first time the sigma 4pi amplitude plays a strong role crystal barrel data on pbarp 3pizero at rest require f01370 sig...
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706.1342
Low-temperature electron dephasing time in AuPd revisited
Ever since the first discoveries of the quantum-interference transport in mesoscopic systems, the electron dephasing times, $\tau_\phi$, in the concentrated AuPd alloys have been extensively measured. The samples were made from different sources with different compositions, prepared by different deposition methods, a...
cond-mat.mes-hall cond-mat.dis-nn
ever since the first discoveries of the quantuminterference transport in mesoscopic systems the electron dephasing times tau_phi in the concentrated aupd alloys have been extensively measured the samples were made from different sources with different compositions prepared by different deposition methods and various ge...
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706.1343
Interacting like charges in Landau levels: Planar geometry, symmetries, and effective quasiparticles
We consider a system of two interacting particles with like but unequal charges in a magnetic field in the planar geometry. We construct a complete basis of states compatible with both the axial symmetry and magnetic translations. The basis is obtained using a canonical transformation that generates effective quasipa...
cond-mat.mes-hall
we consider a system of two interacting particles with like but unequal charges in a magnetic field in the planar geometry we construct a complete basis of states compatible with both the axial symmetry and magnetic translations the basis is obtained using a canonical transformation that generates effective quasipartic...
[['we', 'consider', 'a', 'system', 'of', 'two', 'interacting', 'particles', 'with', 'like', 'but', 'unequal', 'charges', 'in', 'a', 'magnetic', 'field', 'in', 'the', 'planar', 'geometry', 'we', 'construct', 'a', 'complete', 'basis', 'of', 'states', 'compatible', 'with', 'both', 'the', 'axial', 'symmetry', 'and', 'magne...
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706.1344
A Class of Partially Solvable Two-Dimensional Quantum Models with Periodic Potentials
The supersymmetrical approach is used to analyse a class of two-dimensional quantum systems with periodic potentials. In particular, the method of SUSY-separation of variables allowed us to find a part of the energy spectra and the corresponding wave functions (partial solvability) for several models. These models ar...
hep-th cond-mat.mes-hall math-ph math.MP quant-ph
the supersymmetrical approach is used to analyse a class of twodimensional quantum systems with periodic potentials in particular the method of susyseparation of variables allowed us to find a part of the energy spectra and the corresponding wave functions partial solvability for several models these models are not ame...
[['the', 'supersymmetrical', 'approach', 'is', 'used', 'to', 'analyse', 'a', 'class', 'of', 'twodimensional', 'quantum', 'systems', 'with', 'periodic', 'potentials', 'in', 'particular', 'the', 'method', 'of', 'susyseparation', 'of', 'variables', 'allowed', 'us', 'to', 'find', 'a', 'part', 'of', 'the', 'energy', 'spectr...
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706.1345
Spectroscopy and multiband photometry of the afterglow of intermediate duration gamma-ray burst 040924 and its host galaxy
We present optical photometry and spectroscopy of the afterglow and host galaxy of gamma-ray burst 040924. This GRB had a rather short duration of T90 ~2.4s, and a well sampled optical afterglow light curve. We aim to use this dataset to find further evidence that this burst is consistent with a massive star core-col...
astro-ph
we present optical photometry and spectroscopy of the afterglow and host galaxy of gammaray burst 040924 this grb had a rather short duration of t90 24s and a well sampled optical afterglow light curve we aim to use this dataset to find further evidence that this burst is consistent with a massive star corecollapse pro...
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706.1346
Southern wide very low-mass stars and brown dwarfs in resolved binary and multiple systems
The results of the Koenigstuhl survey in the Southern Hemisphere are presented. I have searched for common-proper motion companions to 173 field very low-mass stars and brown dwarfs with spectral types > M5.0V and magnitudes J <= 14.5 mag. I have measured for the first time the common-proper motion of two new wide sy...
astro-ph
the results of the koenigstuhl survey in the southern hemisphere are presented i have searched for commonproper motion companions to 173 field very lowmass stars and brown dwarfs with spectral types m50v and magnitudes j 145 mag i have measured for the first time the commonproper motion of two new wide systems containi...
[['the', 'results', 'of', 'the', 'koenigstuhl', 'survey', 'in', 'the', 'southern', 'hemisphere', 'are', 'presented', 'i', 'have', 'searched', 'for', 'commonproper', 'motion', 'companions', 'to', '173', 'field', 'very', 'lowmass', 'stars', 'and', 'brown', 'dwarfs', 'with', 'spectral', 'types', 'm50v', 'and', 'magnitudes...
[-0.12493654417722852, 0.13624166350780775, -0.026538359673245797, 0.04949777038426056, -0.07533165850069468, -0.11389631870249876, 0.042324907267230406, 0.40066495469824376, -0.15099105896734738, -0.3907804889250783, 0.05626383624879549, -0.28149743921630366, -0.019395476230714893, 0.19923941607740295, -0.026466082006...
706.1347
The Two-State Vector Formalism
The two-state vector formalism (TSVF), the time-symmetric description of the standard quantum mechanics originated by Aharonov, Bergmann and Lebowitz is reviewed. The TSVF describes a quantum system at a particular time by two quantum states: the usual one, evolving forward in time, defined by the results of a comple...
quant-ph
the twostate vector formalism tsvf the timesymmetric description of the standard quantum mechanics originated by aharonov bergmann and lebowitz is reviewed the tsvf describes a quantum system at a particular time by two quantum states the usual one evolving forward in time defined by the results of a complete measureme...
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706.1348
Weak Value and Weak Measurements
The weak value of a variable O is a description of an effective interaction with that variable in the limit of weak coupling. It is particularly important for a pre- and post-selected quantum system.
quant-ph
the weak value of a variable o is a description of an effective interaction with that variable in the limit of weak coupling it is particularly important for a pre and postselected quantum system
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706.1349
Improved quark mass density- dependent model with quark-sigma meson and quark-omega meson couplings
An improved quark mass density- dependent model with the non-linear scalar sigma field and the $\omega$-meson field is presented. We show that the present model can describe saturation properties, the equation of state, the compressibility and the effective nuclear mass of nuclear matter under mean field approximatio...
nucl-th
an improved quark mass density dependent model with the nonlinear scalar sigma field and the omegameson field is presented we show that the present model can describe saturation properties the equation of state the compressibility and the effective nuclear mass of nuclear matter under mean field approximation successfu...
[['an', 'improved', 'quark', 'mass', 'density', 'dependent', 'model', 'with', 'the', 'nonlinear', 'scalar', 'sigma', 'field', 'and', 'the', 'omegameson', 'field', 'is', 'presented', 'we', 'show', 'that', 'the', 'present', 'model', 'can', 'describe', 'saturation', 'properties', 'the', 'equation', 'of', 'state', 'the', '...
[-0.08949738389766607, 0.1722926608018184, -0.1216065138502077, 0.09349240882505404, -0.021291071182635964, -0.09149740813452689, -0.024347918726442777, 0.3324669703047295, -0.21661528228919524, -0.319574434157522, 0.026962283548334093, -0.22415815678532006, -0.09025954633767976, 0.09438129421323538, 0.0663173584282764...
706.135
The Anisotropic Distribution of Satellite Galaxies
We identify satellites of isolated galaxies in SDSS and examine their angular distribution. Using mock catalogues generated from cosmological N-body simulations, we demonstrate that the selection criteria used to select isolated galaxies and their satellites must be very strict in order to correctly identify systems ...
astro-ph
we identify satellites of isolated galaxies in sdss and examine their angular distribution using mock catalogues generated from cosmological nbody simulations we demonstrate that the selection criteria used to select isolated galaxies and their satellites must be very strict in order to correctly identify systems in wh...
[['we', 'identify', 'satellites', 'of', 'isolated', 'galaxies', 'in', 'sdss', 'and', 'examine', 'their', 'angular', 'distribution', 'using', 'mock', 'catalogues', 'generated', 'from', 'cosmological', 'nbody', 'simulations', 'we', 'demonstrate', 'that', 'the', 'selection', 'criteria', 'used', 'to', 'select', 'isolated',...
[-0.0940727335671207, 0.08780358080344086, -0.1190742028664365, 0.12774875324981616, -0.10951250900683597, -0.012380935820273022, -0.004343118815951412, 0.4283469962339834, -0.17625449741414437, -0.3654684985182091, 0.06214363870476041, -0.2750485715759772, -0.051810841553945663, 0.18338115069464073, -0.016460350707845...
706.1351
Scattering of charge carriers by point defects in bilayer graphene
Theory of scattering of massive chiral fermions in bilayer graphene by radial symmetric potential is developed. It is shown that in the case when the electron wavelength is much larger than the radius of the potential the scattering cross-section is proportional to the electron wavelength. This leads to the mobility ...
cond-mat.mes-hall cond-mat.mtrl-sci
theory of scattering of massive chiral fermions in bilayer graphene by radial symmetric potential is developed it is shown that in the case when the electron wavelength is much larger than the radius of the potential the scattering crosssection is proportional to the electron wavelength this leads to the mobility indep...
[['theory', 'of', 'scattering', 'of', 'massive', 'chiral', 'fermions', 'in', 'bilayer', 'graphene', 'by', 'radial', 'symmetric', 'potential', 'is', 'developed', 'it', 'is', 'shown', 'that', 'in', 'the', 'case', 'when', 'the', 'electron', 'wavelength', 'is', 'much', 'larger', 'than', 'the', 'radius', 'of', 'the', 'poten...
[-0.11189681316206518, 0.20766412906157664, 0.004060372614707702, 0.01763231722632041, 0.028880215384281024, -0.148716765957383, -0.020618725842676867, 0.358816639185907, -0.1867433495533008, -0.24586163844483402, -0.010266160861087533, -0.33874487640479434, -0.119865174305279, 0.18083889037370682, 0.005714095167767925...
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