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Yan, SW; Sakata, F; Zhuo, YZ; Yan, SW , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan.
Features of statistical dynamics in a finite system
Source PublicationPHYSICAL REVIEW E
KeywordStrong Stochasticity Threshold Collective Motion Linear-response Hamiltonian-dynamics Master-equations Thermodynamics Mechanics Entropy Chaos
AbstractWe study features of statistical dynamics in a finite Hamilton system composed of a relevant one degree of freedom coupled to an irrelevant multidegree of freedom system through a weak interaction. Special attention is paid on how the statistical dynamics changes depending on the number of degrees of freedom in the irrelevant system. It is found that the macrolevel statistical aspects are strongly related to an appearance of the microlevel chaotic motion, and a dissipation of the relevant motion is realized passing through three distinct stages: dephasing, statistical relaxation, and equilibrium regimes. It is clarified that the dynamical description and the conventional transport approach provide us with almost the same macrolevel and microlevel mechanisms only for the system with a very large number of irrelevant degrees of freedom. It is also shown that the statistical relaxation in the finite system is an anomalous diffusion and the fluctuation effects have a finite correlation time.
2002
ISSN1539-3755
Volume65Issue:3Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13588
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYan, SW , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan.
Recommended Citation
GB/T 7714
Yan, SW,Sakata, F,Zhuo, YZ,et al. Features of statistical dynamics in a finite system[J]. PHYSICAL REVIEW E,2002,65(3):-.
APA Yan, SW,Sakata, F,Zhuo, YZ,&Yan, SW , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan..(2002).Features of statistical dynamics in a finite system.PHYSICAL REVIEW E,65(3),-.
MLA Yan, SW,et al."Features of statistical dynamics in a finite system".PHYSICAL REVIEW E 65.3(2002):-.
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