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Harmonic velocity noise: Non-Markovian features of noise-driven systems at long times
Bao, JD; Song, YL; Ji, Q; Zhuo, YZ; Bao, JD , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
2005
发表期刊PHYSICAL REVIEW E
ISSN1539-3755
卷号72期号:1页码:-
摘要We propose a harmonic velocity noise with a broadband feature, which is the time derivative of the harmonic noise. If this noise is regarded as a thermal one, the system has a vanishing effective friction and it should induce ballistic diffusion of a free particle at long times. The effective temperature of the system coupled to such a structured heat bath represented by the harmonic velocity noise is introduced. This means that any initial preparation will approach asymptotically a preparation-dependent variance and mean value for velocity variable. Thus the fluctuation-dissipation theorem does not hold as there is no unique stationary state being connected with a breakdown of ergodicity. This noise can show greenness when it is taken as an external noise source to drive a correlation ratchet.
部门归属Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China; Hebei Univ Technol, Dept Phys, Tianjin 300130, Peoples R China; China Inst Atom Energy, Beijing 102413, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Fluctuation-dissipation Theorem Quasi-monochromatic Noise Brownian Motors Probability-distributions Anomalous Diffusion Langevin-equations Colored Noise Escape Rates Ratchets Transport
学科领域Physics
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收录类别SCI
WOS记录号WOS:000230886900020
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13794
专题理论物理所1978-2010年知识产出
通讯作者Bao, JD , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
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GB/T 7714
Bao, JD,Song, YL,Ji, Q,et al. Harmonic velocity noise: Non-Markovian features of noise-driven systems at long times[J]. PHYSICAL REVIEW E,2005,72(1):-.
APA Bao, JD,Song, YL,Ji, Q,Zhuo, YZ,&Bao, JD , Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China..(2005).Harmonic velocity noise: Non-Markovian features of noise-driven systems at long times.PHYSICAL REVIEW E,72(1),-.
MLA Bao, JD,et al."Harmonic velocity noise: Non-Markovian features of noise-driven systems at long times".PHYSICAL REVIEW E 72.1(2005):-.
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