Current reversals in a rocking ratchet: the frequency domain

Details Current reversals in a rocking ratchet: the frequency domain Current reversals in a rocking ratchet: the frequency domain

2011-12-04

arxiv.org/abs/1112.0766v1

Phys. Rev. E 84, 021127 (2011)

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1103/PhysRevE.84.021127

Motivated by recent work [D. Cubero et al., Phys. Rev. E 82, 041116 (2010)], we examine the mechanisms which determine current reversals in rocking ratchets as observed by varying the frequency of the drive. We found that a class of these current reversals in the frequency domain are precisely determined by dissipation-induced symmetry breaking. Our experimental and theoretical work thus extends and generalizes the previously identified relationship between dynamical and symmetry-breaking mechanisms in the generation of current reversals.

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