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Features of statistical dynamics in a finite system
Yan, SW; Sakata, F; Zhuo, YZ; Yan, SW , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan.
2002
发表期刊PHYSICAL REVIEW E
ISSN1539-3755
卷号65期号:3页码:-
摘要We 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.
部门归属Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan; China Inst Atom Energy, Beijing 102413, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Strong Stochasticity Threshold Collective Motion Linear-response Hamiltonian-dynamics Master-equations Thermodynamics Mechanics Entropy Chaos
学科领域Physics
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收录类别SCI
WOS记录号WOS:000174548800021
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13588
专题理论物理所SCI论文
通讯作者Yan, SW , Ibaraki Univ, Dept Math Sci, Mito, Ibaraki 3108512, Japan.
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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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