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Collective behavior of composite active particles

Eglinton, Joshua; Smith, Mike I.; Swift, Michael R.

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Authors

Joshua Eglinton

MICHAEL SWIFT MICHAEL.SWIFT@NOTTINGHAM.AC.UK
Associate Professor & Reader in Theoretical Physics



Abstract

We describe simulations of active Brownian particles carried out to explore how dynamics and clustering are influenced by particle shape. Our particles are composed of four disks, held together by springs, whose relative size can be varied. These composite objects can be tuned smoothly from having a predominantly concave to a convex surface. We show that even two of these composite particles can exhibit collective motion which modifies the effective Peclet number. We then investigate how particle geometry can be used to explain the phase behavior of many such particles.

Citation

Eglinton, J., Smith, M. I., & Swift, M. R. (2022). Collective behavior of composite active particles. Physical Review E, 105(4), Article 044609. https://doi.org/10.1103/PhysRevE.105.044609

Journal Article Type Article
Acceptance Date Mar 29, 2022
Online Publication Date Apr 26, 2022
Publication Date Apr 26, 2022
Deposit Date May 23, 2022
Publicly Available Date Mar 28, 2024
Journal Physical Review E
Print ISSN 2470-0045
Electronic ISSN 2470-0053
Publisher American Physical Society (APS)
Peer Reviewed Peer Reviewed
Volume 105
Issue 4
Article Number 044609
DOI https://doi.org/10.1103/PhysRevE.105.044609
Public URL https://nottingham-repository.worktribe.com/output/7839774
Publisher URL https://journals.aps.org/pre/abstract/10.1103/PhysRevE.105.044609

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