Directed transport of self-propelled particles with local attraction

Xiao-Qun Huang, Wei-Jing Zhu, Jing-Jing Liao and Bao-Quan Ai

Physica A: Statistical Mechanics and its Applications, 2020, vol. 553, issue C

Abstract: Directed transport of self-propelled particles with local attraction is numerically investigated in a two-dimensional confined channel. The local attraction plays a key role in the rectified transport. Particles can be rectified when the undirected mill is broken or disappears. By changing the attraction strength, multiple current reversals can be observed. Moreover, by restricting the field of vision of the particles and introducing the noise, the directed transport can be greatly enhanced. The translational noise promotes the directed transport, while the rotational noise suppresses the directed transport.

Keywords: Self-propelled particles; Directed transport; Local attraction (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:553:y:2020:i:c:s0378437120303083

DOI: 10.1016/j.physa.2020.124632

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