Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear
- Autores
- Saracco, Gustavo Pablo; Gonnella, Giuseppe; Marenduzzo, Davide; Orlandini, Enzo
- Año de publicación
- 2012
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The effects of an externally imposed linear shear profile in the Vicsek model of self-propelled particles is investigated via computer simulations. We find that the applied field changes in a relevant way both the equilibrium and dynamical properties of the original model. Indeed, short time dynamics analysis shows that the order-disordered phase transition disappears under shear, because the flow acts as a symmetry breaking field. Moreover, the coarsening of particle domains is arrested at a characteristic length-scale inversely proportional to shear rate. A generalization of the original Vicsek model where the velocity of particles depends on the local value of the density is also introduced and shows to affect the domain formation.
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas - Materia
-
Física
active matter
non-equilibrium physics - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/114723
Ver los metadatos del registro completo
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Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shearSaracco, Gustavo PabloGonnella, GiuseppeMarenduzzo, DavideOrlandini, EnzoFísicaactive matternon-equilibrium physicsThe effects of an externally imposed linear shear profile in the Vicsek model of self-propelled particles is investigated via computer simulations. We find that the applied field changes in a relevant way both the equilibrium and dynamical properties of the original model. Indeed, short time dynamics analysis shows that the order-disordered phase transition disappears under shear, because the flow acts as a symmetry breaking field. Moreover, the coarsening of particle domains is arrested at a characteristic length-scale inversely proportional to shear rate. A generalization of the original Vicsek model where the velocity of particles depends on the local value of the density is also introduced and shows to affect the domain formation.Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas2012info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf1109-1115http://sedici.unlp.edu.ar/handle/10915/114723enginfo:eu-repo/semantics/altIdentifier/issn/1644-3608info:eu-repo/semantics/altIdentifier/doi/10.2478/s11534-012-0111-2info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:26:44Zoai:sedici.unlp.edu.ar:10915/114723Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:26:44.698SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
title |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
spellingShingle |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear Saracco, Gustavo Pablo Física active matter non-equilibrium physics |
title_short |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
title_full |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
title_fullStr |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
title_full_unstemmed |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
title_sort |
Equilibrium and dynamical behavior in the Vicsek model for self-propelled particles under shear |
dc.creator.none.fl_str_mv |
Saracco, Gustavo Pablo Gonnella, Giuseppe Marenduzzo, Davide Orlandini, Enzo |
author |
Saracco, Gustavo Pablo |
author_facet |
Saracco, Gustavo Pablo Gonnella, Giuseppe Marenduzzo, Davide Orlandini, Enzo |
author_role |
author |
author2 |
Gonnella, Giuseppe Marenduzzo, Davide Orlandini, Enzo |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Física active matter non-equilibrium physics |
topic |
Física active matter non-equilibrium physics |
dc.description.none.fl_txt_mv |
The effects of an externally imposed linear shear profile in the Vicsek model of self-propelled particles is investigated via computer simulations. We find that the applied field changes in a relevant way both the equilibrium and dynamical properties of the original model. Indeed, short time dynamics analysis shows that the order-disordered phase transition disappears under shear, because the flow acts as a symmetry breaking field. Moreover, the coarsening of particle domains is arrested at a characteristic length-scale inversely proportional to shear rate. A generalization of the original Vicsek model where the velocity of particles depends on the local value of the density is also introduced and shows to affect the domain formation. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas |
description |
The effects of an externally imposed linear shear profile in the Vicsek model of self-propelled particles is investigated via computer simulations. We find that the applied field changes in a relevant way both the equilibrium and dynamical properties of the original model. Indeed, short time dynamics analysis shows that the order-disordered phase transition disappears under shear, because the flow acts as a symmetry breaking field. Moreover, the coarsening of particle domains is arrested at a characteristic length-scale inversely proportional to shear rate. A generalization of the original Vicsek model where the velocity of particles depends on the local value of the density is also introduced and shows to affect the domain formation. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/114723 |
url |
http://sedici.unlp.edu.ar/handle/10915/114723 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/issn/1644-3608 info:eu-repo/semantics/altIdentifier/doi/10.2478/s11534-012-0111-2 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
dc.format.none.fl_str_mv |
application/pdf 1109-1115 |
dc.source.none.fl_str_mv |
reponame:SEDICI (UNLP) instname:Universidad Nacional de La Plata instacron:UNLP |
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SEDICI (UNLP) |
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Universidad Nacional de La Plata |
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SEDICI (UNLP) - Universidad Nacional de La Plata |
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alira@sedici.unlp.edu.ar |
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