Coherence in transport in a special class of in homogeneous ratchet

Krishnan, Raishma ; Dan, Debasis ; Jayannavar, A. M. (2005) Coherence in transport in a special class of in homogeneous ratchet Modern Physics Letters B, 19 (19-20). pp. 971-980. ISSN 0217-9849

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Official URL: http://www.worldscinet.com/mplb/19/1919n20/S021798...

Related URL: http://dx.doi.org/10.1142/S0217984905008827

Abstract

We study the noise induced transport of an overdamped Brownian particle in frictional ratchet systems in the presence of a special class of external multiplicative Gaussian white noise fluctuations. The analytical expressions for current and diffusion coefficient are derived and the reliability or coherence of transport are discussed by means of their ratio. We show that these frictional ratchets exhibit larger coherence as compared to the flashing and rocking ratchets.

Item Type:Article
Source:Copyright of this article belongs to World Scientific Publishing Co Pte Ltd.
Keywords:Ratchets; Brownian Motors; Noise; Transport Coherence
ID Code:14835
Deposited On:12 Nov 2010 13:31
Last Modified:03 Jun 2011 10:25

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