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Traveling bands, clouds, and vortices of chiral active matter

Kruk, Nikita ; Carrillo, José A. ; Koeppl, Heinz (2022):
Traveling bands, clouds, and vortices of chiral active matter. (Publisher's Version)
In: Physical Review E, 102 (2), American Physical Society, ISSN 2470-0045,
DOI: 10.26083/tuprints-00021567,
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Item Type: Article
Origin: Secondary publication service
Status: Publisher's Version
Title: Traveling bands, clouds, and vortices of chiral active matter
Language: English
Abstract:

We consider stochastic dynamics of self-propelled particles with nonlocal normalized alignment interactions subject to phase lag. The role of the lag is to indirectly generate chirality into particle motion. To understand large-scale behavior, we derive a continuum description of an active Brownian particle flow with macroscopic scaling in the form of a partial differential equation for a one-particle probability density function. Due to indirect chirality, we find a spatially homogeneous nonstationary analytic solution for this class of equations. Our development of kinetic and hydrodynamic theories towards such a solution reveals the existence of a wide variety of spatially nonhomogeneous patterns reminiscent of traveling bands, clouds, and vortical structures of linear active matter. Our model may thereby serve as the basis for understanding the nature of chiral active media and designing multiagent swarms with designated behavior.

Journal or Publication Title: Physical Review E
Volume of the journal: 102
Issue Number: 2
Place of Publication: Darmstadt
Publisher: American Physical Society
Collation: 29 Seiten
Classification DDC: 500 Naturwissenschaften und Mathematik > 530 Physik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Telecommunications > Bioinspired Communication Systems
18 Department of Electrical Engineering and Information Technology > Self-Organizing Systems Lab
Date Deposited: 20 Jul 2022 13:54
Last Modified: 20 Jul 2022 13:54
DOI: 10.26083/tuprints-00021567
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-215672
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/21567
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