Directed transport in periodically rocked random sawtooth potentials

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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.
18 pages, 7 figures

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Disordered Systems and Neural Networks, Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/230480

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0902.4626
 http://arxiv.org/abs/0902.4626
 Phys. Rev. E 79, 051102 (2009)
 doi:10.1103/PhysRevE.79.051102

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arXiv