Directed transport of coupled Brownian motors in a two-dimensional traveling-wave potential

被引：0

作者：

吴魏霞 ^{[1
]}

郑志刚 ^{[2
]}

宋艳丽 ^{[3
]}

韩英荣 ^{[4
]}

孙志成 ^{[5
]}

李晨璞 ^{[6
]}

机构：

[1] Science Education Department, Beijing Institute of Graphic Communication

[2] Institute of Systems Science and College of Information Science and Engineering, Huaqiao University

[3] School of Science, Tianjin University

[4] School of Science, Hebei University of Technology

[5] School of Printing and Packaging Engineering, Beijing Institute of Graphic Communication

[6] College of Science, Hebei Institute of Architecture and Civil Engineering

来源：

Chinese Physics B | 2020年 / 09期

关键词：

D O I：

暂无

中图分类号：

TM30 [一般性问题];

学科分类号：

080801 ;

摘要：

Considering an elastically coupled Brownian motors system in a two-dimensional traveling-wave potential, we investigate the effects of the angular frequency of the traveling wave, wavelength, coupling strength, free length of the spring, and the noise intensity on the current of the system. It is found that the traveling wave is the essential condition of the directed transport. The current is dominated by the traveling wave and varies nonmonotonically with both the angular frequency and the wavelength. At an optimal angular frequency or wavelength, the current can be optimized. The coupling strength and the free length of the spring can locally modulate the current, especially at small angular frequencies. Moreover, the current decreases rapidly with the increase of the noise intensity, indicating the interference effect of noise on the directed transport.

引用

页码：282 / 286

页数：5

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