Transport of Forced Quantum Motors in the Strong Friction Limit

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The directed transport of an overdamped Brownian motor moving in a spatially periodic potential that lacks reflection symmetry (i.e. a ratchet potential) is studied when driven by thermal and dichotomic nonequilibrium noise in the presence of an external, constant load force. We consider both, the classical and the quantum tunneling assisted regimes. The current-load characteristics are investigated as a function of the system parameters like the load force, the temperature and the amplitude strength of the applied two-state noise.
10 pages, 5 figures, Presented at the Marian Smoluchowski Symposium on Statistical Physics, Krakow, Poland, May 14-17, 2006; Acta Physica Polonica B (in press) 2007

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Soft Condensed Matter, Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/166372

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0611277
 http://arxiv.org/abs/cond-mat/0611277
 Acta Physica Polonica B 38, 1855 - 1863 (2007)

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arXiv