Symmetric Brownian motor

Details Symmetric Brownian motor Symmetric Brownian motor

2004-11-24

arxiv.org/abs/cond-mat/0411604v2

Phys. Rev. E 71, 021101 (2005)

Physics

Condensed Matter

Statistical Mechanics

8 pages and 10 figures

Scientific paper

10.1103/PhysRevE.71.021101

In this paper we present a model of a symmetric Brownian motor (SBM) which changes the sign of its velocity when the temperature gradient is inverted. The velocity, external work and efficiency are studied as a function of the temperatures of the baths and other relevant parameters. The motor shows a current reversal when another parameter (a phase shift) is varied. Analytical predictions and results from numerical simulations are performed and agree very well. Generic properties of this type of motors are discussed.

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