Effect of the Noise Correlation Time on the Stationary Current of Brownian Particle in a Spatially Symmetric Periodic Potential

被引：0
|
作者：
Wang-Quan He
Can-Jun Wang
Dong-Cheng Mei
机构：
[1] Yunnan University,Department of Physics
[2] Honghe University,Department of Physics
[3] Baoji University of Arts and Sciences,Nonlinear Research Institute
来源：
International Journal of Theoretical Physics | 2008年 / 47卷
关键词：
Stationary current; Noise correlation time; Periodic potential;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We investigate the noise-induced transport of Brownian particle in a deterministic spatial symmetrical periodic potential driven by colored cross correlation between a multiplicative white noise and an additive white noise. We derive the general formula of the stationary current. Based on numerical computation, we found that directed motion of the Brownian particles can be induced by the correlation time τ of cross correlation between the multiplicative noise and the additive noise and the current reversal and the direction of the current is controlled by the τ.
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页码：1606 / 1611
页数：5
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