Current reversals in a rocking ratchet: The frequency domain

A. Wickenbrock, D. Cubero, N. A. Abdul Wahab, P. Phoonthong, and F. Renzoni
Phys. Rev. E 84, 021127 – Published 18 August 2011

Abstract

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 when varying the frequency of the drive. We found that a class of these current reversals in the frequency domain is 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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  • Received 10 May 2011

DOI:https://doi.org/10.1103/PhysRevE.84.021127

©2011 American Physical Society

Authors & Affiliations

A. Wickenbrock1, D. Cubero2, N. A. Abdul Wahab1, P. Phoonthong1, and F. Renzoni1

  • 1Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
  • 2Departamento de Física Aplicada I, EUP, Universidad de Sevilla, Calle Virgen de África 7, E-41011 Sevilla, Spain, and Física Teórica, Universidad de Sevilla, Apartado de Correos 1065, Sevilla E-41080, Spain

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Issue

Vol. 84, Iss. 2 — August 2011

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