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Efficiency of Brownian Motors

J. M. R. Parrondo·J. M. Blanco·F. J. Cao·R. Brito
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Abstract

The efficiency of different types of Brownian motors is calculated analytically and numerically. We find that motors based on flashing ratchets present a low efficiency and an unavoidable entropy production. On the other hand, a certain class of motors based on adiabatically changing potentials, named reversible ratchets, exhibit a higher efficiency and the entropy production can be arbitrarily reduced.

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J. M. R. Parrondo, J. M. Blanco, F. J. Cao, R. Brito. 1998-03-25. Efficiency of Brownian Motors. https://doi.org/10.1209/epl%2Fi1998-00348-5

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