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Contrarian compulsions produce exotic time-dependent flocking of active particles

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dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Modelización, Simulación Numérica y Matemática Industriales
dc.contributor.authorLópez Bonilla, Luis Francisco
dc.contributor.authorTrenado Yuste, Carolina
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2020-11-18T09:48:02Z
dc.date.available2020-11-18T09:48:02Z
dc.date.issued2019-01-29
dc.description.abstractAnimals 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.en
dc.description.sponsorshipWe 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.en
dc.format.extent21
dc.identifier.bibliographicCitationBonilla, L. L. y Trenado, C. (2019). Contrarian compulsions produce exotic time-dependent flocking of active particles. Physical Review E, 99(1), 012612.en
dc.identifier.doihttps://doi.org/10.1103/PhysRevE.99.012612
dc.identifier.issn2470-0045
dc.identifier.publicationissue1
dc.identifier.publicationtitlePhysical Review Een
dc.identifier.publicationvolume99
dc.identifier.urihttps://hdl.handle.net/10016/31438
dc.identifier.uxxiAR/0000023063
dc.language.isoengen
dc.publisherAmerican Physical Societyen
dc.relation.projectIDGobierno de España. MTM2014-56948-C2-2-Pes
dc.relation.projectIDGobierno de España. MTM2017-84446-C2-2-Res
dc.rights© 2019 American Physical Society.en
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMatemáticases
dc.titleContrarian compulsions produce exotic time-dependent flocking of active particlesen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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