Issue 40, 2008

Effect of correlated noises on directed motion

Abstract

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.

Graphical abstract: Effect of correlated noises on directed motion

Article information

Article type
Paper
Submitted
22 May 2008
Accepted
04 Jul 2008
First published
05 Sep 2008

Phys. Chem. Chem. Phys., 2008,10, 6097-6103

Effect of correlated noises on directed motion

P. Chaudhury, B. Mukherjee, S. Chattopadhyay and J. Ray Chaudhuri, Phys. Chem. Chem. Phys., 2008, 10, 6097 DOI: 10.1039/B808703B

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