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题名: Langevin equation for systems with a preferred spatial direction
作者: Belousov, R ;  Cohen, EGD ;  Rondoni, L
刊名: PHYSICAL REVIEW E
出版日期: 2016
卷号: 94, 期号:3, 页码:32127
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevE.94.032127
通讯作者: Belousov, R (reprint author), Rockefeller Univ, New York, NY 10065 USA.
文章类型: Article
英文摘要: In this paper, we generalize the theory of Brownian motion and the Onsager-Machlup theory of fluctuations for spatially symmetric systems to equilibrium and nonequilibrium steady-state systems with a preferred spatial direction, due to an external force. To do this, we extend the Langevin equation to include a bias, which is introduced by an external force and alters the Gaussian structure of the system's fluctuations. In addition, by solving this extended equation, we provide a physical interpretation for the statistical properties of the fluctuations in these systems. Connections of the extended Langevin equation with the theory of active Brownian motion are discussed as well.
类目[WOS]: Physics, Fluids & Plasmas ;  Physics, Mathematical
关键词[WOS]: SHOT-NOISE ;  FLUCTUATIONS ;  SYMMETRY ;  MODELS
收录类别: SCI
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21527
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Belousov, R,Cohen, EGD,Rondoni, L. Langevin equation for systems with a preferred spatial direction[J]. PHYSICAL REVIEW E,2016,94(3):32127.
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