PMID: 22587135May 17, 2012Paper

Escape rate of an active Brownian particle over a potential barrier

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
P S Burada, Benjamin Lindner

Abstract

We study the dynamics of an active Brownian particle with a nonlinear friction function located in a spatial cubic potential. For strong but finite damping, the escape rate of the particle over the spatial potential barrier shows a nonmonotonic dependence on the noise intensity. We relate this behavior to the fact that the active particle escapes from a limit cycle rather than from a fixed point and that a certain amount of noise can stabilize the sojourn of the particle on this limit cycle.

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Citations

Mar 13, 2014·The Journal of Chemical Physics·Bao-Quan Ai, Jian-Chun Wu
Sep 17, 2015·The Journal of Chemical Physics·Qun Chen, Bao-Quan Ai
Jan 21, 2016·Scientific Reports·Chunhua ZengHua Wang
Jul 13, 2014·The European Physical Journal. E, Soft Matter·L AngelaniM Paoluzzi
Feb 20, 2020·Physical Review. E·Igor PetrovićMiroljub Dugić
Jul 16, 2017·Physical Review. E·M HubertS Perrard
Jul 29, 2017·Physical Review Letters·Aden ForrowJörn Dunkel
Aug 15, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Dan Wu, Shiqun Zhu
Feb 4, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Bao-quan AiWei-rong Zhong
Apr 29, 2021·Nature Communications·A MilitaruC Dellago

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