Article (Scientific journals)
Collective dynamics of dipolar self-propelled particles.
Vanesse, N; Opsomer, Eric; Lumay, Geoffroy et al.
2023In Physical Review. E, 108 (2-1), p. 024608
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Keywords :
Collective behaviour; Collective dynamics; Density of particles; Dipolar interaction; Dynamical regime; Magnetic energies; Self-propelled particles; Statistical and Nonlinear Physics; Statistics and Probability; Condensed Matter Physics
Abstract :
[en] We present a numerical study of the collective behavior of self-propelled particles for which dipolar interactions are considered. These are obtained by introducing pointlike magnetic dipoles in the particles. Various dynamical regimes are found depending on three major parameters: the density of particles, the ratio Γ defined as the competition between kinetic energy and potential magnetic energy, as well as the orientation of the magnetic dipoles inherent to the particles. Patterns such as chains, vortices, flocks, and strips have been obtained.
Research Center/Unit :
CESAM - Complex and Entangled Systems from Atoms to Materials - ULiège
Disciplines :
Physics
Author, co-author :
Vanesse, N;  GRASP, Institute of Physics B5a, University of Liège, 4000 Liège, Belgium
Opsomer, Eric  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Lumay, Geoffroy ;  Université de Liège - ULiège > Département de physique > Physique expérimentale de la matière molle et des systèmes complexes
Vandewalle, Nicolas  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Language :
English
Title :
Collective dynamics of dipolar self-propelled particles.
Publication date :
August 2023
Journal title :
Physical Review. E
ISSN :
2470-0045
eISSN :
2470-0053
Publisher :
American Physical Society, United States
Volume :
108
Issue :
2-1
Pages :
024608
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
ULiège - Université de Liège
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Funding text :
This work is financially supported by the University of Liège through the CESAM Research Unit. N. Vanesse is financially supported by FRS-FNRS (Brussels, Belgium) through Grant No. PDR.T.0251.20.
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