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  1. Home
  2. Journals
  3. Physics Letters A
  4. 2004
  1. Home
  2. Journals
  3. Physics Letters A
  4. 2004
Showing papers in "Physics Letters A in 2004"
Journal Article•10.1016/J.PHYSLETA.2004.02.032•
Analyzing multiple nonlinear time series with extended Granger causality

[...]

Yonghong Chen1, Yonghong Chen2, Govindan Rangarajan3, Govindan Rangarajan4, Jianfeng Feng5, Mingzhou Ding1 •
Center for Complex Systems and Brain Sciences1, Xi'an Jiaotong University2, Indian Institute of Science3, Jawaharlal Nehru Centre for Advanced Scientific Research4, University of Brighton5
05 Apr 2004-Physics Letters A
TL;DR: This work considers nonlinear extensions of Granger's idea and proposes a conditional extended Granger causality measure that enables us to determine whether the causal relation between two signals is direct or mediated by another process.

427 citations

Journal Article•10.1016/J.PHYSLETA.2004.03.034•
Multiparty secret sharing of quantum information based on entanglement swapping

[...]

Yongmin Li1, Kuanshou Zhang1, Kunchi Peng1•
Shanxi University1
26 Apr 2004-Physics Letters A
TL;DR: A protocol of multiparty secret sharing of quantum information based on entanglement swapping is analyzed and it is convenient to realize the quantum secret sharing among the members of any subset of users.

261 citations

Journal Article•10.1016/J.PHYSLETA.2004.01.039•
Series solutions of the Schrödinger equation with position-dependent mass for the Morse potential

[...]

Jiang Yu1, Shi-Hai Dong1, Guo-Hua Sun2•
Mexican Institute of Petroleum1, National Autonomous University of Mexico2
08 Mar 2004-Physics Letters A
TL;DR: In this article, the analytical series solutions of the Schrodinger equation with position-dependent mass for the Morse potential are obtained by the series expansion method, and the position dependent mass themselves are expanded in the series about the origin.

206 citations

Journal Article•10.1016/J.PHYSLETA.2004.05.070•
Thermal and electrical transport in multi-walled carbon nanotubes

[...]

D.J. Yang1, S.G. Wang2, Qi Zhang1, Paul J. Sellin2, G. Chen1 •
Nanyang Technological University1, University of Surrey2
23 Aug 2004-Physics Letters A
TL;DR: In this paper, thermal and electrical transport properties of multi-walled carbon nanotubes (MWNTs) were investigated using pulsed photothermal reflectance and the two-terminal I-V methods.

198 citations

Journal Article•10.1016/J.PHYSLETA.2004.05.047•
One-dimensional phononic crystals with locally resonant structures

[...]

Gang Wang1, Dianlong Yu1, Jihong Wen1, Yaozong Liu1, Xisen Wen1 •
National University of Defense Technology1
12 Jul 2004-Physics Letters A
TL;DR: In this paper, the propagation of longitudinal and transverse elastic waves oblique or perpendicular to the laminations of infinite periodically layered fourfold system is studied for one-dimensional phononic crystals with locally resonant structures.

192 citations

Journal Article•10.1016/J.PHYSLETA.2004.03.082•
Strategy for far-field optical imaging and writing without diffraction limit

[...]

Stefan W. Hell1•
Max Planck Society1
31 May 2004-Physics Letters A
TL;DR: In this article, a general concept for subdiffraction imaging and writing with focused light and conventional optics is described, which is unique in the fact that the giant optical nonlinearities required for breaking the diffraction barrier are realized at low light intensities.

190 citations

Journal Article•10.1016/J.PHYSLETA.2004.05.030•
Convergence problem of plane-wave expansion method for phononic crystals

[...]

Yongjun Cao1, Zhilin Hou1, Youyan Liu1•
South China University of Technology1
28 Jun 2004-Physics Letters A
TL;DR: In this paper, a new formulation of eigenproblem for phononic crystals is developed and the convergence of the new formulation in the band-structure calculations is examined in detail and compared with that of the conventional plane wave expansion (CPWE) method.

181 citations

Journal Article•10.1016/J.PHYSLETA.2004.01.064•
Exponential stability of fuzzy cellular neural networks with constant and time-varying delays

[...]

Yanqing Liu1, Wansheng Tang1•
Tianjin University1
22 Mar 2004-Physics Letters A
TL;DR: In this paper, the global stability of delayed fuzzy cellular neural networks with either constant delays or time varying delays is investigated and a suitable Lyapunov functional is constructed to guarantee the global exponential stability.

161 citations

Journal Article•10.1016/J.PHYSLETA.2004.04.004•
Stability analysis for the synchronization of chaotic systems with different order: application to secure communications

[...]

Samuel Bowong1•
University of Douala1
31 May 2004-Physics Letters A
TL;DR: In this article, the synchronization of different order systems or reduced-order synchronization is studied, and the proposed strategy is an input-output control scheme which comprises an uncertainty estimator and an exponential controller.

153 citations

Journal Article•10.1016/J.PHYSLETA.2004.07.013•
e+e−-pair production by a focused laser pulse in vacuum

[...]

N. B. Narozhny, Stepan Bulanov, V. D. Mur, V. S. Popov
13 Sep 2004-Physics Letters A
TL;DR: In this article, the probability of electron-positron pair creation by a focused laser pulse is calculated using a 3D model of the electromagnetic field based on an exact solution of Maxwell equations.

148 citations

Journal Article•10.1016/J.PHYSLETA.2003.12.011•
Adaptive synchronization of uncertain Rossler hyperchaotic system based on parameter identification

[...]

Shihua Chen1, Ja Hu1, Changping Wang2, Jinhu Lu3•
Wuhan University1, Dalhousie University2, Chinese Academy of Sciences3
19 Jan 2004-Physics Letters A
TL;DR: In this paper, an approach of adaptive synchronization and parameters identification of uncertain Rossler hyperchaotic system is proposed, which proves to be globally and asymptotically stable by means of Lyapunov method.
Journal Article•10.1016/J.PHYSLETA.2004.08.023•
Chaotic synchronization and anti-synchronization based on suitable separation

[...]

Yinping Zhang1, Jitao Sun1•
Tongji University1
04 Oct 2004-Physics Letters A
TL;DR: Based on a suitable separation of chaotic systems, Lyapunov stability theory and matrix measure, the complete synchronization and anti-synchronization for chaotic systems are investigated in this paper.
Journal Article•10.1016/J.PHYSLETA.2004.01.056•
The periodic wave solutions and solitary wave solutions for a class of nonlinear partial differential equations

[...]

Yubin Zhou1, Mingliang Wang1, Mingliang Wang2, Tian-De Miao1•
Lanzhou University1, Henan University of Science and Technology2
15 Mar 2004-Physics Letters A
TL;DR: In this paper, the periodic wave solutions for a class of nonlinear partial differential equations, including the Davey-Stewartson equations and the generalized Zakharov equations, are obtained by using the Fexpansion method, which can be regarded as an overall generalization of the Jacobi elliptic function expansion method recently proposed.
Journal Article•10.1016/J.PHYSLETA.2004.03.038•
Global robust exponential stability analysis for interval recurrent neural networks

[...]

Shengyuan Xu1, James Lam2, Daniel W. C. Ho3, Yun Zou1•
Nanjing University of Science and Technology1, University of Hong Kong2, City University of Hong Kong3
10 May 2004-Physics Letters A
TL;DR: In this article, a robust global exponential stability analysis for interval recurrent neural networks (RNNs) via the linear matrix inequality (LMI) approach is proposed. But the authors assume that the values of the time-invariant uncertain parameters are bounded within given compact sets.
Journal Article•10.1016/J.PHYSLETA.2004.02.004•
Neutrino mixing contribution to the cosmological constant

[...]

Massimo Blasone1, Antonio Capolupo1, Salvatore Capozziello1, Sante Carloni1, Giuseppe Vitiello1 •
University of Salerno1
22 Mar 2004-Physics Letters A
TL;DR: In this article, it was shown that the nonperturbative vacuum structure associated with neutrino mixing leads to a non-zero contribution to the value of the cosmological constant.
Journal Article•10.1016/J.PHYSLETA.2004.09.083•
Global exponential stability and existence of periodic solution of Hopfield-type neural networks with impulses

[...]

Yongkun Li1, Linghong Lu1•
Yunnan University1
29 Nov 2004-Physics Letters A
TL;DR: In this paper, the existence and global exponential stability of periodic solution for Hopfield-type model of neural network with impulses was studied. And the continuation theorem of coincidence degree theory and Lyapunov functions were used to study the existence of periodic solutions.
Journal Article•10.1016/J.PHYSLETA.2004.09.052•
Optical bistability and multistability via the effect of spontaneously generated coherence in a three-level ladder-type atomic system

[...]

Dongchao Cheng1, Chengpu Liu1, Shangqing Gong1•
Chinese Academy of Sciences1
15 Nov 2004-Physics Letters A
TL;DR: In this paper, the authors investigated the optical bistability behavior of a nearly equispaced ladder-type three-level atomic system contained in a unidirectional ring cavity and found that the effect of spontaneously generated coherence (SGC) is important.
Journal Article•10.1016/J.PHYSLETA.2004.04.029•
The exact solutions of the Schrödinger equation with the Morse potential via Laplace transforms

[...]

Gang Chen1•
Florida State University College of Arts and Sciences1
31 May 2004-Physics Letters A
TL;DR: In this paper, the second-order differential equation about the one-dimensional Schrodinger equation with the Morse potential was reduced to the first order differential equation in terms of Laplace transforms and then obtained the exact bound state solutions.
Journal Article•10.1016/J.PHYSLETA.2004.10.009•
The effects of shapes and symmetries of scatterers on the phononic band gap in 2D phononic crystals

[...]

Weimin Kuang1, Weimin Kuang2, Zhilin Hou1, Youyan Liu1•
South China University of Technology1, South China Agricultural University2
22 Nov 2004-Physics Letters A
TL;DR: The phononic band structures of two-dimensional solid phononic crystals consisting of lattices with different symmetry and scatterers of various shapes, orientations, and sizes are studied numerically in this paper.
Journal Article•10.1016/J.PHYSLETA.2004.04.081•
Can higher order curvature theories explain rotation curves of galaxies

[...]

Salvatore Capozziello1, V. F. Cardone1, Sante Carloni1, A. Troisi1•
Istituto Nazionale di Fisica Nucleare1
14 Jun 2004-Physics Letters A
TL;DR: In this paper, a higher order curvature gravity has recently received a lot of attention due to the fact that it gives rise to cosmological models which seem capable of solving dark energy and quintessence issues without using “ad hoc” scalar fields.
Journal Article•10.1016/J.PHYSLETA.2004.04.052•
Discontinuous structural phase transition of liquid metal and alloys (1)

[...]

Li Wang1, Xiufang Bian1, Jiantong Liu1•
Shandong University1
14 Jun 2004-Physics Letters A
TL;DR: In this article, a general view of discontinuous structural phase transition of liquid metal and alloys induced by the temperature is presented based on the viscosity analyses for more than ten kinds of liquid metals.
Journal Article•10.1016/J.PHYSLETA.2004.02.010•
Simple and rigorous solution for the nonlinear tearing mode

[...]

Dominique Escande1, M. Ottaviani2•
University of Provence1, European Atomic Energy Community2
22 Mar 2004-Physics Letters A
TL;DR: In this article, the authors describe the nonlinear evolution and saturation of tearing modes in the small magnetic island width limit by a new approach which is rigorous, simple, and accurate within the usual asymptotic matching technique, a new scaling ansatz avoids the use of the traditional j=j(ψ) approach, and reduces the non-linear problem to an elementary linear one.
Journal Article•10.1016/J.PHYSLETA.2004.10.032•
On an optimal control design for Rössler system

[...]

Marat Rafikov, José Manoel Balthazar1•
Sao Paulo State University1
06 Dec 2004-Physics Letters A
TL;DR: In this article, an optimal control strategy that directs the chaotic motion of the Rossler system to any desired fixed point is proposed, and the chaos control problem is then formulated as an infinite horizon optimal control nonlinear problem that was reduced to a solution of the associated Hamilton-Jacobi-Bellman equation.
Journal Article•10.1016/J.PHYSLETA.2004.06.053•
Global robust asymptotical stability of multi-delayed interval neural networks: an LMI approach

[...]

Chuandong Li1, Xiaofeng Liao1, Rong Zhang2•
Chongqing University1, College of Business Administration2
09 Aug 2004-Physics Letters A
TL;DR: Based on the Lyapunov-Krasovskii stability theory for functional differential equations and the linear matrix inequality (LMI) technique, some delay-dependent criteria for interval neural networks (IDNN) with multiple time-varying delays are derived to guarantee global robust asymptotic stability.
Journal Article•10.1016/J.PHYSLETA.2004.09.051•
Bound states of the Klein¿Gordon equation with vector and scalar five-parameter exponential-type potentials

[...]

Yong-Feng Diao1, Liang-Zhong Yi2, Chun-Sheng Jia2, Chun-Sheng Jia3•
China West Normal University1, Xihua University2, American Petroleum Institute3
15 Nov 2004-Physics Letters A
TL;DR: In this paper, the exact energy equation for s-wave bound states was obtained by solving the Klein-Gordon equation with equal five-parameter exponential-type scalar and vector potentials by the method of supersymmetric quantum mechanics and shape invariance.
Journal Article•10.1016/J.PHYSLETA.2004.03.072•
Magnetocaloric effect in Ni2+xMn1−xGa Heusler alloys

[...]

A.A. Cherechukin1, Toshiyuki Takagi1, Minoru Matsumoto1, Vasilii D Buchel'nikov2•
Tohoku University1, Chelyabinsk State University2
31 May 2004-Physics Letters A
TL;DR: In this paper, the authors investigated the compositional dependence of magnetic entropy change in Ni2+xMn1−xGa Heusler alloys and revealed the largest entropy change ΔS=20.7±1.8 T was revealed in the Ni2.18Mn0.82Ga alloy at a magneto-structural phase transition temperature of Ts=333.2 K.
Journal Article•10.1016/J.PHYSLETA.2003.11.052•
Exponentially long times to equipartition in the thermodynamic limit

[...]

Luisa Berchialla1, Antonio Giorgilli1, Simone Paleari1•
University of Milan1
02 Feb 2004-Physics Letters A
TL;DR: In this article, the scaling of the relaxation time to equipartition in the Fermi-Pasta-Ulam model was investigated with numerical methods and it was shown that the time increases exponentially with an inverse power of the specific energy.
Journal Article•10.1016/J.PHYSLETA.2004.04.068•
Electronic structure and mechanical properties of Cr7C3

[...]

Denis Music1, U. Kreissig, Raphael Mertens1, Jochen M. Schneider1•
RWTH Aachen University1
14 Jun 2004-Physics Letters A
TL;DR: In this article, the Cr7C3 phase was studied by means of ab initio calculations and found covalent-ionic Cr-C-Cr chains in a metallic matrix, and the structure of thin films, synthesized by RF magnetron sputtering, was shown to be in good agreement with the theoretical prediction.
Journal Article•10.1016/J.PHYSLETA.2004.10.072•
Observer-based control for full-state projective synchronization of a general class of chaotic maps in any dimension

[...]

Guilin Wen1, Daolin Xu1•
Nanyang Technological University1
13 Dec 2004-Physics Letters A
TL;DR: In this article, an observer-based control approach is proposed for generating and manipulating projective synchronization of a general class of chaotic maps in any dimension, overcomes some limitations in extent work, capable to execute the control for chaotic systems without restriction of partial linearity, achieve a full-state synchronization and manipulate the outcome of the synchronization by directing the scaling factor.
Journal Article•10.1016/J.PHYSLETA.2004.06.037•
An algebraic approach to the ring-shaped non-spherical oscillator

[...]

Shi-Hai Dong1, Guo-Hua Sun2, Marcelo Lozada-Cassou1•
Mexican Institute of Petroleum1, National Autonomous University of Mexico2
02 Aug 2004-Physics Letters A
TL;DR: In this paper, the eigenfunctions and eigenvalues of the Schrodinger equation with a ring-shaped non-spherical oscillator are obtained, and a realization of the ladder operators for the radial wave functions is studied.
…

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