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题名:
Transportation of Two Coupled Particles in an Asymmetric Saw-Tooth Potential
作者: Kong, LW; Wan, RZ; Fang, HP
刊名: CHINESE PHYSICS LETTERS
出版日期: 2016
卷号: 33, 期号:2, 页码:
关键词: BROWNIAN MOTORS ; MOLECULAR MOTORS ; CHAOTIC TRANSPORT ; THERMAL RATCHETS ; RANDOM WALKER ; NOISE ; DRIVEN ; MOTION ; NANOSCALE ; FORCES
DOI: 10.1088/0256-307X/33/2/020501
通讯作者: Wan, RZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China.
文章类型: 期刊文献
英文摘要: Based on a simple model, we theoretically show the transport behaviors of two harmonically coupled Brownian particles in an asymmetric saw-tooth potential with two slopes. The coupled particles are subject to stochastic fluctuations. It is found that when the equilibrium distance of the coupled particles is between the two slopes of the potential, the transport direction of the coupled particles will be reversed with a certain harmonic coupling strength. This current reversal can be easily understood with the near rigid approximation, where the two coupled particles can be regarded as a single particle in an effective potential. Compared with the original saw-tooth potential, the asymmetry of the effective potential could be reversed when the equilibrium distance is between the two slopes of the original potential, which results in the current reversal.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000369637200004
ISSN号: 0256-307X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25876
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Kong, LW,Wan, RZ,Fang, HP. Transportation of Two Coupled Particles in an Asymmetric Saw-Tooth Potential[J]. CHINESE PHYSICS LETTERS,2016-01-01,33(2):—.
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文件名: Transportation of Two Coupled Particles in an Asymmetric Saw-Tooth Potential.pdf
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