Effect of correlated noises on directed motion

被引：8
|
作者：
Chaudhury, Pinaki [2 ]
Mukherjee, Bipul [1 ]
Chattopadhyay, Sudip [1 ]
Chaudhuri, Jyotipratim Ray [3 ]
机构：
[1] Bengal Engn & Sci Univ, Dept Chem, Sibpur 711103, Howrah, India
[2] Univ Calcutta, Dept Chem, Kolkata 700009, W Bengal, India
[3] Katwa Coll, Dept Phys, Burdwan 713130, W Bengal, India
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2008年 / 10卷 / 40期
关键词：
D O I：
10.1039/b808703b
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Langevin equation for a Brownian particle, in contact with a heat bath which offers state dependent friction, is considered to study the directed motion in presence of two external correlated noises. The effects of correlation on transport of the Brownian particle in a symmetric periodic potential is studied and it has been found that the steady state current increases with increase in the degree of correlation. This property suggests that by controlling the degree of correlation one can enhance the current in a properly designed experiment.
引用
收藏
页码：6097 / 6103
页数：7
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