Showing 2001Show all

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quant-ph2001★ 24 cited

Fetching marked items from an unsorted database in NMR ensemble computing

L. Xiao, G. L. Long

Searching a marked item or several marked items from an unsorted database is a very difficult mathematical problem. Using classical computer, it requires steps to find t…

nucl-th2001★ 1 cited

Multiplicity Moments and Hard Processes in Relativistic Heavy Ion Collisions

Pengfei Zhuang

The normalized multiplicity moments and their relation with soft and hard processes in relativistic heavy ion collisions are analyzed in a general two-component model. It is found…

cond-mat.str-el2001★ 31 cited

Ginzburg-Landau theory of an RVB superconductor

V. N. Muthukumar, Z. Y. Weng

We present a Ginzburg-Landau formulation of the bosonic resonating valence bond (RVB) theory of superconductivity. The superconducting order parameter is characterized by phase vor…

nlin.SI2001★ 6 cited

Bäcklund transformations for high-order constrained flows of the AKNS hierarchy: canonicity and spectrality property

Yunbo Zeng, Huihui Dai, Jinping Song

New infinite number of one- and two-point Bäcklund transformations (BTs) with explicit expressions are constructed for the high-order constrained flows of the AKNS hierarchy. It is…

hep-ph2001★ 4 cited

Non-Abelian Medium Effects in Quark-Gluon Plasma

Ji-sheng Chen, Jia-rong Li, Peng-fei Zhuang

Based on the kinetic theory, the non-Abelian medium property of hot Quark-Gluon Plasma is investigated. The nonlinearity of the plasma comes from two aspects: The nonlinear wave-wa…

cond-mat.mtrl-sci2001★ 115 cited

A Dynamic Atomistic-Continuum Method for the Simulation of Crystalline Materials

Weinan E, Zhongyi Huang

We present a coupled atomistic-continuum method for the modeling of defects and interface dynamics of crystalline materials. The method uses atomistic models such as molecular dyna…

hep-ex2001★ 19 cited

Production of Ds** mesons in hadronic Z decays

ALEPH Collaboration

The production rates of the orbitally excited Ds** mesons, Ds1 and Ds2*, are measured with the 4.1 million hadronic Z decays recorded by the ALEPH detector during 1991--1995. The D…

quant-ph2001★ 11 cited

Experimental Realization of Brüschweiler's exponentially fast search algorithm in a homo-nuclear system

Li Xiao, G. L. Long, Hai-Yang Yan +1

Compared with classical search algorithms, Grover quantum algorithm [ Phys. Rev. Lett., 79, 325(1997)] achieves quadratic speedup and Bruschweiler hybrid quantum algorithm [Phys. R…

nucl-th2001★ 4 cited

Perturbative Calculation of Excluded Volume Effect for Nuclear Matter in a Relativistic Mean-field Approximation

Bao-Xi Sun, Xiao-Fu Lü, En-Guang Zhao

Considering the finite volume of nucleons, a Lagrangian density is given. The first order self-energy of the nucleon and the equation of state of nuclear matter are calculated in t…

hep-ph2001★ 68 cited

Massive quark propagator and competition between chiral and diquark condensate

Mei Huang, Pengfei Zhaung, Weiqin Chao

The Green-function approach has been extended to the moderate baryon density region in the framework of an extended Nambu--Jona-Lasinio model, and the thermodynamic potential with…

hep-ph2001★ 20 cited

Lepton Flavor Violation in the SUSY-GUT Models with Lopsided Mass Matrix

Xiao-Jun Bi, Yuan-Ben Dai

The tiny neutrino masses measured in the neutrino oscillation experiments can be naturally explained by the supersymmetric see-saw mechanism. If the supersymmetry breaking is media…

cond-mat.mtrl-sci2001★ 336 cited

Single- and multi-walled carbon nanotubes viewed as elastic tubes with Young's moduli dependent on layer number

Zhan-chun Tu, Zhong-can Ou-Yang

The complete energy expression of a deformed single-walled carbon nanotube (SWNT) is derived in the continuum limit from the local density approximation model proposed by Lenosky {…

astro-ph2001★ 6 cited

Surface Electric Field of Bare Strange Stars

Jian Hu, R. X. Xu

The surface electric characteristics of bare strange stars are investigated with the inclusion of boundary effects. The thickness of the electron layer where pairs can be spontaneo…

hep-ph2001

Color Superconductivity at Moderate Density

Mei Huang, Pengfei Zhuang, Weiqin Chao

The effect of color breaking on colored quarks' chiral condensates has been investigated at zero temperature and moderate baryon density. It is found that the influence of the diqu…

nlin.SI2001★ 9 cited

Constructing N-soliton solution for the mKdV equation through constrained flows

Yunbo Zeng, Huihui Dai

Based on the factorization of soliton equations into two commuting integrable x- and t-constrained flows, we derive N-soliton solutions for mKdV equation via its x- and t-constrain…

nlin.SI2001★ 4 cited

Canonical explicit Bäcklund transformations with spectrality for constrained flows of soliton hierarchies

Yunbo Zeng, Yiqing Zhu, Ting Xiao +1

It is shown that explicit Bäcklund transformations (BTs) for the high-order constrained flows of soliton hierarchy can be constructed via their Darboux transformations and Lax repr…

quant-ph2001

Inhomogeneous boson realizations of the polynomial angular momentum algebra of arbitrary power

Dong Ruan, Yufeng Jia, Hongzhou Sun

The inhomogeneous single-, two- and three-boson realizations of the more general polynomial angular momentum algebra SU_n(2) are obtained from the Fock representations of SU_n(2) t…

math-ph2001

The Irreducible Tensor Bases of Exceptional Lie Algebras 1. G2, F_4 and E_6

Dong Ruan, Hongzhou Sun, QiZhi Han

The irreducible tensor bases of exceptional Lie algebras G2, F4 and E6 are built by grouping their Cartan-Weyl bases according to the respective chains G2> SO(3) * SO(3), F4 > SO(3…

cond-mat2001★ 533 cited

A Four Dimensional Generalization of the Quantum Hall Effect

Shou-Cheng Zhang, Jiangping Hu

We construct a generalization of the quantum Hall effect, where particles move in four dimensional space under a SU(2) gauge field. This system has a macroscopic number of degenera…

nucl-th2001★ 1 cited

Decay Process Sigma to 2 Pions and Chiral Phase Transition

Xianglei Zhu, Pengfei Zhuang

The decay process sigma to 2 pions at high temperature and density and its relation with chiral phase transition are discussed in the framework of the NJL model. The decay rate for…

quant-ph2001★ 476 cited

General Scheme for Super Dense Coding between Multi-Parties

X. S. Liu, G. L. Long, D. M. Tong +1

Dense coding or super-dense coding in the case of high-dimension quantum states between two parties and multi-parties has been studied in this paper. We construct explicitly the me…

hep-ph2001★ 68 cited

Massive Quark Propagator in the Color-superconducting Phase

Mei Huang, Pengfei Zhaung, Weiqin Chao

A more general expression for the quark propagator including both chiral and diquark condensates has been derived by using energy projectors. This makes it possible to study the ph…

cond-mat.str-el2001

Superfluidity and Superconductivity in Double-Layered Quantum Hall state

X. -G. Wen, A. Zee

We discuss and review the basic physics that leads to superfluidity/superconductivity in certain quantum Hall states, in particular the so-called double-layered (mmm) state. In the…

astro-ph2001★ 26 cited

Timing in the Time Domain: Cygnus X-1

Ti-pei Li

Quantities characterizing temporal property, e.g. power density, coherence, and time lag, can be defined and calculated directly in the time domain without using the Fourier transf…