EFFICIENCY AND CURRENT REVERSALS IN SPATIALLY INHOMOGENEOUS RATCHETS-Reference-Cited by-同舟云学术

EFFICIENCY AND CURRENT REVERSALS IN SPATIALLY INHOMOGENEOUS RATCHETS

Published:2000-06-20 Issue:15 Volume:14 Page:1585-1591
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

DAN DEBASIS¹,JAYANNAVAR A. M.¹,MAHATO MANGAL C.²

Affiliation:

1. Institute of Physics, Sachivalaya Marg, Bhubaneswar 751005, India

2. Department of Physics, Guru Ghasidas University, Bilaspur 495009, India

Abstract

Efficiency of generation of net unidirectional current in an adiabatically driven symmetric periodic potential system is studied. The efficiency shows a maximum, in the case of an inhomogeneous system with spatially varying periodic friction coefficient, as a function of temperature. The ratchet is not most efficient when it gives maximum current. The direction of current may also be reversed as a function of noise strength when, instead, an asymmetric periodic potential is considered.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979200001291

Reference16 articles.

1. Transport as a consequence of state-dependent diffusion

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