Aging and rejuvenation of active matter under topological constraints

Abstract The coupling of active, self-motile particles to topological constraints can give rise to novel non-equilibrium dynamical patterns that lack any passive counterpart. Here we study the behavior of self-propelled rods confined to a compact spherical manifold by means of Brownian dynamics simu...

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Autores principales:	Liesbeth M. C. Janssen, Andreas Kaiser, Hartmut Löwen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a52e1f2a11b9411aa33dfe9708cc2a67
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spelling	oai:doaj.org-article:a52e1f2a11b9411aa33dfe9708cc2a672021-12-02T15:06:21ZAging and rejuvenation of active matter under topological constraints10.1038/s41598-017-05569-62045-2322https://doaj.org/article/a52e1f2a11b9411aa33dfe9708cc2a672017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05569-6https://doaj.org/toc/2045-2322Abstract The coupling of active, self-motile particles to topological constraints can give rise to novel non-equilibrium dynamical patterns that lack any passive counterpart. Here we study the behavior of self-propelled rods confined to a compact spherical manifold by means of Brownian dynamics simulations. We establish the state diagram and find that short active rods at sufficiently high density exhibit a glass transition toward a disordered state characterized by persistent self-spinning motion. By periodically melting and revitrifying the spherical spinning glass, we observe clear signatures of time-dependent aging and rejuvenation physics. We quantify the crucial role of activity in these non-equilibrium processes, and rationalize the aging dynamics in terms of an absorbing-state transition toward a more stable active glassy state. Our results demonstrate both how concepts of passive glass phenomenology can carry over into the realm of active matter, and how topology can enrich the collective spatiotemporal dynamics in inherently non-equilibrium systems.Liesbeth M. C. JanssenAndreas KaiserHartmut LöwenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Liesbeth M. C. Janssen Andreas Kaiser Hartmut Löwen Aging and rejuvenation of active matter under topological constraints
description	Abstract The coupling of active, self-motile particles to topological constraints can give rise to novel non-equilibrium dynamical patterns that lack any passive counterpart. Here we study the behavior of self-propelled rods confined to a compact spherical manifold by means of Brownian dynamics simulations. We establish the state diagram and find that short active rods at sufficiently high density exhibit a glass transition toward a disordered state characterized by persistent self-spinning motion. By periodically melting and revitrifying the spherical spinning glass, we observe clear signatures of time-dependent aging and rejuvenation physics. We quantify the crucial role of activity in these non-equilibrium processes, and rationalize the aging dynamics in terms of an absorbing-state transition toward a more stable active glassy state. Our results demonstrate both how concepts of passive glass phenomenology can carry over into the realm of active matter, and how topology can enrich the collective spatiotemporal dynamics in inherently non-equilibrium systems.
format	article
author	Liesbeth M. C. Janssen Andreas Kaiser Hartmut Löwen
author_facet	Liesbeth M. C. Janssen Andreas Kaiser Hartmut Löwen
author_sort	Liesbeth M. C. Janssen
title	Aging and rejuvenation of active matter under topological constraints
title_short	Aging and rejuvenation of active matter under topological constraints
title_full	Aging and rejuvenation of active matter under topological constraints
title_fullStr	Aging and rejuvenation of active matter under topological constraints
title_full_unstemmed	Aging and rejuvenation of active matter under topological constraints
title_sort	aging and rejuvenation of active matter under topological constraints
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/a52e1f2a11b9411aa33dfe9708cc2a67
work_keys_str_mv	AT liesbethmcjanssen agingandrejuvenationofactivematterundertopologicalconstraints AT andreaskaiser agingandrejuvenationofactivematterundertopologicalconstraints AT hartmutlowen agingandrejuvenationofactivematterundertopologicalconstraints
_version_	1718388534642999296

Aging and rejuvenation of active matter under topological constraints

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