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题名: Langevin simulation approach to a two-dimensional coupled flashing ratchet
作者: Bao, JD ;  Zhuo, YZ
刊名: PHYSICS LETTERS A
出版日期: 1998
卷号: 239, 期号:41004, 页码:228-232
关键词: FLUCTUATION-INDUCED TRANSPORT ;  MOLECULAR MOTORS ;  MOTION
学科分类: Physics
通讯作者: Bao, JD , Beijing Meteorol Coll, Beijing 100081, Peoples R China.
部门归属: Beijing Meteorol Coll, Beijing 100081, Peoples R China; Chinese Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China; Inst Atom Energy, Beijing 102413, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study the directed motion of a Brownian particle moving in a two-dimensional coupled flashing ratchet driven by Gaussian white noise. The temperature dependence of the current is evaluated numerically in terms of Langevin simulation and discussed by means of a heuristic analytical ad hoc approximation. The current can be enhanced or reversed due to the coupling effects between two degrees of freedom. Our results show that the noise is rectified even in the absence of a true activation energy barrier and the two-dimensional ratchet current does not vanish as the temperature approaches infinity. (C) 1998 Elsevier Science B.V.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000072756600006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12342
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Bao, JD,Zhuo, YZ. Langevin simulation approach to a two-dimensional coupled flashing ratchet[J]. PHYSICS LETTERS A,1998,239(41004):228-232.
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