C Van den Broeck et al 2005 New J. Phys. 7 10 doi:10.1088/1367-2630/7/1/010
From Maxwell demon to Brownian motor
Focus on Brownian Motion and Diffusion in the 21st CenturyC Van den Broeck1, P Meurs1 and R Kawai2
Show affiliationsPart of Focus on Brownian Motion and Diffusion in the 21st Century
Several versions of a hard disc microscopic ratchet are introduced and studied with molecular dynamics. While, at equilibrium, no rectification of the fluctuations takes place, a systematic motion appears when a temperature difference is applied to different units of the motor. In the limit of dilute gases, an exact analytic calculation of its properties is found to be in excellent agreement with molecular dynamics simulations.
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Issue 1 (January 2005)
Received 10 September 2004
Published 31 January 2005
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From Maxwell demon to Brownian motor
C Van den Broeck et al 2005 New J. Phys. 7 10
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