Collective motion of active particles exhibiting non-reciprocal orientational interactions

dc.contributor.authorKnežević, Miloš
dc.contributor.authorWelker, Till
dc.contributor.authorStark, Holger
dc.date.accessioned2023-03-02T13:11:31Z
dc.date.available2023-03-02T13:11:31Z
dc.date.issued2022-11-14
dc.description.abstractWe present a Brownian dynamics study of a 2D bath of active particles interacting among each other through usual steric interactions and, additionally, via non-reciprocal avoidant orientational interactions. We motivate them by the fact that the two flagella of the alga Chlamydomonas interact sterically with nearby surfaces such that a torque acts on the alga. As expected, in most cases such interactions disrupt the motility-induced particle clustering in active baths. Surprisingly, however, we find that the active particles can self-organize into collectively moving flocks if the range of non-reciprocal interactions is close to that of steric interactions. We observe that the flocking motion can manifest itself through a variety of structural forms, spanning from single dense bands to multiple moderately-dense stripes, which are highly dynamic. The flocking order parameter is found to be only weakly dependent on the underlying flock structure. Together with the variance of the local-density distribution, one can clearly group the flocking motion into the two separate band and dynamic-stripes states.en
dc.description.sponsorshipTU Berlin, Open-Access-Mittel – 2022
dc.identifier.eissn2045-2322
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/18271
dc.identifier.urihttps://doi.org/10.14279/depositonce-17064
dc.language.isoen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc600 Technik, Medizin, angewandte Wissenschaften::620 Ingenieurwissenschaften::621 Angewandte Physik
dc.subject.otherBrownian dynamics studyen
dc.subject.other2D bath of active particlesen
dc.subject.othernon-reciprocal orientational interactionsen
dc.subject.otherflocking motionen
dc.subject.otheractive particlesen
dc.titleCollective motion of active particles exhibiting non-reciprocal orientational interactions
dc.typeArticle
dc.type.versionpublishedVersion
dcterms.bibliographicCitation.articlenumber19437 (2022)
dcterms.bibliographicCitation.doi10.1038/s41598-022-23597-9
dcterms.bibliographicCitation.issue1
dcterms.bibliographicCitation.journaltitleScientific Reports
dcterms.bibliographicCitation.originalpublishernameSpringer Nature
dcterms.bibliographicCitation.originalpublisherplaceLondon
dcterms.bibliographicCitation.volume12
dcterms.rightsHolder.referenceCreative-Commons-Lizenz
tub.accessrights.dnbfree*
tub.affiliationFak. 2 Mathematik und Naturwissenschaften::Inst. Theoretische Physik::FG Statistische Physik weicher Materie und biologischer Systeme
tub.publisher.universityorinstitutionTechnische Universität Berlin

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