Abstract
The phenomena of negative mobility (NM) and multiple current reversals (MCR) are investigated numerically in an asymmetric periodic potential with a Gaussian colored noise under the influence of a periodic driving and a constant bias. Two cases have been considered: the case of noise-induced normal transport and the case of noise-induced anomalous transport. The results indicate: (1) within tailored parameter regimes, a robust and wide range of NM can be obtained for a fixed regime of correlation time; (2) nonzero correlation time can induce and diminish MCR; (3) the asymmetry can induce and significantly facilitate the anomalous transport of inertial Brownian particle.
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Yang, B., Long, F. & Mei, D. Negative mobility and multiple current reversals induced by colored thermal fluctuation in an asymmetric periodic potential. Eur. Phys. J. B 85, 404 (2012). https://doi.org/10.1140/epjb/e2012-30562-7
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DOI: https://doi.org/10.1140/epjb/e2012-30562-7