Transport of finite size self-propelled particles confined in a 2D zigzag channel with Gaussian colored noise

Bing Wang, Yong Wu, Xiaoxiao Zhang and Hao Chen

Physica A: Statistical Mechanics and its Applications, 2021, vol. 565, issue C

Abstract: The transport of finite size self-propelled Brownian particles confined in a 2D zigzag channel with colored noise is investigated. The noises(noise parallel to x-axis and y-axis), the asymmetry parameter Δk, the ratio f(ratio of the particle radius and the bottleneck half width), the self-propelled speed v0 have joint effect on the particles. The average velocity 〈V〉 and diffusion coefficient D of self-propelled particles are significantly different from passive particles. 〈V〉 and D exhibit complicated behavior with increasing asymmetry parameter Δk.

Keywords: Self-propelled particles; Average velocity; Current reversal (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:565:y:2021:i:c:s0378437120308414

DOI: 10.1016/j.physa.2020.125543

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