Abnormal transport behaviors in traveling wave system

Ruyin Chen, Chaojie Wang and Zhifen He

Chaos, Solitons & Fractals, 2019, vol. 126, issue C, 116-121

Abstract: In general, for a traveling wave system, a particle always follows the wave with wave velocity or moves in the same direction but with a lower velocity. Here, we investigate transport of an inertial particle in a deterministic traveling wave system subjected to a symmetric periodic signal. Our numerical results indicate that only with the help of the signal, can the particle move against the direction of propagation of the traveling wave, forming an absolutely opposite motion. Without external bias, direction of its mean velocity changes several times with the traveling wave velocity and angular frequency of the signal, i.e., a multiple current reversal phenomenon. In the presence of the external bias, the system experiences nonlinear negative mobility. The intrinsic physical mechanisms and conditions responsible for the occurrence of the anomalous transport phenomena are analyzed in detail.

Keywords: Traveling wave; Symmetric periodic signal; Multiple current reversal; Nonlinear negative mobility (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:126:y:2019:i:c:p:116-121

DOI: 10.1016/j.chaos.2019.05.022

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