Publikation:

Motility-Induced Clustering of Active Particles under Soft Confinement

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2024

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Jayaram, Ashreya
Speck, Thomas

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-je33z02qd3ln4
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https://doi.org/10.1103/physrevlett.133.048301
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Physical Review Letters. American Physical Society (APS). 2024, 133(4), 048301. ISSN 0031-9007. eISSN 1079-7114. Verfügbar unter: doi: 10.1103/physrevlett.133.048301

Zusammenfassung

We investigate the structural and dynamic properties of active Brownian particles (APs) confined within a soft annulus-shaped channel. Depending on the strength of the confinement and the Péclet number, we observe a novel reentrant behavior that is not present in unconfined systems. Our findings are substantiated by numerical simulations and analytical considerations, revealing that this behavior arises from the strong coupling between the Péclet number and the effective confining dimensionality of the APs. Our work highlights the peculiarities of soft boundaries for APs and how clogging can be avoided under such conditions.

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ISO 690KNIPPENBERG, Timo, Ashreya JAYARAM, Thomas SPECK, Clemens BECHINGER, 2024. Motility-Induced Clustering of Active Particles under Soft Confinement. In: Physical Review Letters. American Physical Society (APS). 2024, 133(4), 048301. ISSN 0031-9007. eISSN 1079-7114. Verfügbar unter: doi: 10.1103/physrevlett.133.048301
BibTex
@article{Knippenberg2024-07-23Motil-70554,
  year={2024},
  doi={10.1103/physrevlett.133.048301},
  title={Motility-Induced Clustering of Active Particles under Soft Confinement},
  number={4},
  volume={133},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Knippenberg, Timo and Jayaram, Ashreya and Speck, Thomas and Bechinger, Clemens},
  note={Article Number: 048301}
}
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