Contrarian compulsions produce exotic time-dependent flocking of active particles

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Show simple item record López Bonilla, Luis Francisco Trenado Yuste, Carolina 2020-11-18T09:48:02Z 2020-11-18T09:48:02Z 2019-01-29
dc.identifier.bibliographicCitation Bonilla, L. L. y Trenado, C. (2019). Contrarian compulsions produce exotic time-dependent flocking of active particles. Physical Review E, 99(1), 012612.
dc.identifier.issn 2470-0045
dc.description.abstract Animals having a tendency to align their velocities to an average of those of their neighbors may flock as illustrated by the Vicsek model and its variants. If, in addition, they feel a systematic contrarian trend, the result may be a time periodic adjustment of the flock or period doubling in time. These exotic phases are predicted from kinetic theory and numerically found in a modified two-dimensional Vicsek model of self-propelled particles. Numerical simulations demonstrate striking effects of alignment noise on the polarization order parameter measuring particle flocking: maximum polarization length is achieved at an optimal nonzero noise level. When contrarian compulsions are more likely than conformist ones, nonuniform polarized phases appear as the noise surpasses threshold.
dc.description.sponsorship We thank A. Lasanta for useful comments and for bringing the kinetic theory work of Ihle and collaborators to our attention. This work has been supported by the Ministerio de Economía y Competitividad Grants No. MTM2014-56948-C2-2-P and No. MTM2017-84446-C2-2-R. L.L.B. thanks R. Caflisch for hospitality during a sabbatical stay at the Courant Institute and acknowledges support of the Ministerio de Ciencia, Innovación y Universidades “Salvador de Madariaga” Grant No. PRX18/00166.
dc.format.extent 21
dc.language.iso eng
dc.publisher American Physical Society
dc.rights © 2019 American Physical Society.
dc.title Contrarian compulsions produce exotic time-dependent flocking of active particles
dc.type article
dc.subject.eciencia Matemáticas
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. MTM2014-56948-C2-2-P
dc.relation.projectID Gobierno de España. MTM2017-84446-C2-2-R
dc.type.version publishedVersion
dc.identifier.publicationissue 1
dc.identifier.publicationtitle Physical Review E
dc.identifier.publicationvolume 99
dc.identifier.uxxi AR/0000023063
dc.contributor.funder Ministerio de Economía y Competitividad (España)
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