Quenched Disorder Effects on Deterministic Inertia Ratchets

Details Quenched Disorder Effects on Deterministic Inertia Ratchets Quenched Disorder Effects on Deterministic Inertia Ratchets

2001-02-15

arxiv.org/abs/cond-mat/0102286v1

Physics

Condensed Matter

11 pages, 10 figures, to appear in Phys. Rev. E

Scientific paper

10.1103/PhysRevE.63.061104

The effect of quenched disorder on the underdamped motion of a periodically driven particle on a ratchet potential is studied. As a consequence of disorder, current reversal and chaotic diffusion may take place on regular trajectories. On the other hand, on some chaotic trajectories disorder induces regular motion. A localization effect similar to {\sl Golosov Phenomenon} sets in whenever a disorder threshold that depends on the mass of the particle is reached. Possible applications of the localization phenomenon are discussed.

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