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arXiv · 0902.4626

Directed transport in periodically rocked random sawtooth potentials

S. I. Denisov·T. V. Lyutyy·E. S. Denisova·P. Hänggi·H. Kantz
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Abstract

We study directed transport of overdamped particles in a periodically rocked random sawtooth potential. Two transport regimes can be identified which are characterized by a nonzero value of the average velocity of particles and a zero value, respectively. The properties of directed transport in these regimes are investigated both analytically and numerically in terms of a random sawtooth potential and a periodically varying driving force. Precise conditions for the occurrence of transition between these two transport regimes are derived and analyzed in detail.

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S. I. Denisov, T. V. Lyutyy, E. S. Denisova, P. Hänggi, H. Kantz. 2009-05-18. Directed transport in periodically rocked random sawtooth potentials. https://doi.org/10.1103/physreve.79.051102

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