Showing 2009Show all

212 papers · 1 filter

nlin.SI2009★ 2 cited

On the Drinfeld-Sokolov Hierarchies of D type

Si-Qi Liu, Chao-Zhong Wu, Youjin Zhang

We extend the notion of pseudo-differential operators that are used to represent the Gelfand-Dickey hierarchies, and obtain a similar representation for the full Drinfeld-Sokolov h…

quant-ph2009★ 3 cited

Local Unambiguous Discrimination with Remaining Entanglement

Yangjia Li, Runyao Duan, Mingsheng Ying

A bipartite state which is secretly chosen from a finite set of known entangled pure states cannot be immediately useful in standard quantum information processing tasks. To effect…

astro-ph.HE2009★ 9 cited

Phase-resolved spectral analysis of 4U 1901+03 during its outburst

Ya-Juan Lei, Wei Chen, Jin-Lu Qu +5

The high mass X-ray binary 4U 1901+03 was reported to have the pulse profile evolving with the X-ray luminosity and energy during its outburst in February-July 2003: the pulse peak…

cond-mat.stat-mech2009

Investigation on energetic optimization problems of stochastic thermodynamics with iterative dynamic programming

Linchen Gong, Ming Li, Zhong-can Ou-yang

The energetic optimization problem, e.g., searching for the optimal switch- ing protocol of certain system parameters to minimize the input work, has been extensively studied by st…

cs.CC2009★ 11 cited

Deterministic Identity Testing of Read-Once Algebraic Branching Programs

Maurice Jansen, Youming Qiao, Jayalal Sarma

In this paper we study polynomial identity testing of sums of read-once algebraic branching programs (-RO-ABPs), generalizing the work in (Shpilka and Volkovich 2008,2009)…

cond-mat.stat-mech2009★ 9 cited

Linear response theory and transient fluctuation theorems for diffusion processes: a backward point of view

Fei Liu, Zhong-can Ou-Yang

On the basis of perturbed Kolmogorov backward equations and path integral representation, we unify the derivations of the linear response theory and transient fluctuation theorems…

nucl-ex2009★ 65 cited

Studying Parton Energy Loss in Heavy-Ion Collisions via Direct-Photon and Charged-Particle Azimuthal Correlations

The STAR Collaboration, B. I. Abelev

Charged-particle spectra associated with direct photon () and are measured in + and Au+Au collisions at center-of-mass energy GeV with…

math.NT2009★ 4 cited

A note on the sign (unit root) ambiguities of Gauss sums in index 2 and 4 cases

Jing Yang, Lingli Xia

Recently, the explicit evaluation of Gauss sums in the index 2 and 4 cases have been given in several papers (see [2,3,7,8]). In the course of evaluation, the sigh (or unit root) a…

astro-ph.HE2009★ 20 cited

Observation of TeV Gamma Rays from the Fermi Bright Galactic Sources with the Tibet Air Shower Array

M. Amenomori, X. J. Bi, D. Chen +81

Using the Tibet-III air shower array, we search for TeV gamma-rays from 27 potential Galactic sources in the early list of bright sources obtained by the Fermi Large Area Telescope…

cond-mat.mes-hall2009★ 5 cited

Enhanced spin injection efficiency in a four-terminal double quantum dot system

Ling Qin, Hai-Feng Lu, Yong Guo

Within the scheme of quantum rate equations, we investigate the spin-resolved transport through a double quantum dot system with four ferromagnetic terminals. It is found that the…

astro-ph.HE2009★ 9 cited

Adiabatic Perturbations in Homologous Conventional Polytropic Core Collapses of a Spherical Star

Yi Cao, Yu-Qing Lou

We perform a non-radial adiabatic perturbation analysis on homologous conventional polytropic stellar core collapses. The core collapse features a polytropic exponent relat…

cond-mat.quant-gas2009★ 26 cited

Pairing and Vortex Lattices for Interacting Fermions in Optical Lattices with a Large Magnetic Field

Hui Zhai, R. O. Umucalilar, M. O. Oktel

We study the structure of pairing order parameter for spin-1/2 fermions with attractive interactions in a square lattice under a uniform magnetic field. Because the magnetic transl…

hep-ex2009★ 91 cited

Three-particle coincidence of the long range pseudorapidity correlation in high energy nucleus-nucleus collisions

STAR Collaboration, B. I. Abelev

We report the first three-particle coincidence measurement in pseudorapidity () between a high transverse momentum () trigger particle and two lower asso…

hep-ex2009★ 49 cited

Inclusive pi^0, eta, and direct photon production at high transverse momentum in p+p and d+Au collisions at sqrt(s_NN) = 200 GeV

The STAR Collaboration, B. I. Abelev

We report a measurement of high-p_T inclusive pi^0, eta, and direct photon production in p+p and d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity (0 < eta < 1). Photons from…

math.AP2009★ 1 cited

On Singularity Formation of a 3D Model for Incompressible Navier-Stokes Equations

Thomas Y. Hou, Zuoqiang Shi, Shu Wang

We investigate the singularity formation of a 3D model that was recently proposed by Hou and Lei in [16] for axisymmetric 3D incompressible Navier-Stokes equations with swirl. The…

quant-ph2009★ 27 cited

The n-tangle of odd n qubits

D. Li

Coffman, Kundu and Wootters presented the 3-tangle of three qubits in [Phys. Rev. A 61, 052306 (2000)]. Wong and Christensen extended the 3-tangle to even number of qubits, known a…

quant-ph2009★ 529 cited

Quantum computations without definite causal structure

G. Chiribella, G. M. D'Ariano, P. Perinotti +1

We show that quantum theory allows for transformations of black boxes that cannot be realized by inserting the input black boxes within a circuit in a pre-defined causal order. The…

quant-ph2009★ 100 cited

Tunable Electromagnetically Induced Transparency and Absorption with Dressed Superconducting Qubits

Hou Ian, Yu-xi Liu, Franco Nori

Electromagnetically induced transparency and absorption (EIT and EIA) are usually demonstrated by three-level atomic or atom-like systems. In contrast to the usual case, we theoret…

physics.plasm-ph2009★ 42 cited

A Local Discontinuous Galerkin Method for 1.5-Dimensional Streamer Discharge Simulations

Chijie Zhuang, Rong Zeng

Streamer discharges are important both in theory and industry applications. This paper proposed a local discontinuous Galerkin method to simulate the convection dominated fluid mod…

cs.IT2009

Strong Spatial Mixing for Binary Markov Random Fields

Jinshan Zhang, Heng Liang, Fengshan Bai

Gibbs distribution of binary Markov random fields on a sparse on average graph is considered in this paper. The strong spatial mixing is proved under the condition that the `extern…

nucl-th2009★ 15 cited

Transverse Momentum Distribution as a Probe of J/psi Production Mechanism in Heavy Ion Collisions

Kai Zhou, Nu Xu, Pengfei Zhuang

We investigate J/psi transverse momentum distribution in a transport approach. While the nuclear modification factor R_{AA}(N_p) at RHIC is almost the same as at SPS, the averaged…

physics.ins-det2009★ 1.2k cited

Design and Construction of the BESIII Detector

The BESIII Collaboration

This paper will discuss the design and construction of BESIII, which is designed to study physics in the tau-charm energy region utilizing the new high luminosity BEPCII double rin…

astro-ph.CO2009★ 4 cited

New evidence for lack of CMB power on large scales

Hao Liu, Ti-Pei Li

A digitalized temperature map is recovered from the first light sky survey image published by the Planck team, from which an angular power spectrum is derived. The amplitudes of th…

cond-mat.mes-hall2009★ 6 cited

Influence of uniaxial tensile stress on the mechanical and piezoelectric properties of short-period ferroelectric superlattice

Yifeng Duan, Chunmei Wang, Gang Tang +1

Tetragonal ferroelectric/ferroelectric BaTiO3/PbTiO3 superlattice under uniaxial tensile stress along the c axis is investigated from first principles. We show that the calculated…