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Aging processes in systems with anomalous slow dynamics

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dc.contributorVirginia Techen
dc.contributor.authorAfzal, N.en
dc.contributor.authorPleimling, Michel J.en
dc.contributor.departmentPhysicsen
dc.date.accessed2013-12-17en
dc.date.accessioned2014-01-17T13:41:30Zen
dc.date.available2014-01-17T13:41:30Zen
dc.date.issued2013-01-14en
dc.description.abstractRecently, different numerical studies of coarsening in disordered systems have shown the existence of a crossover from an initial, transient, power-law domain growth to a slower, presumably logarithmic, growth. However, due to the very slow dynamics and the long-lasting transient regime, one is usually not able to fully enter the asymptotic regime when investigating the relaxation of these systems toward equilibrium. We here study two simple driven systems-the one-dimensional ABC model and a related domain model with simplified dynamics-that are known to exhibit anomalous slow relaxation where the asymptotic logarithmic growth regime is readily accessible. Studying two-times correlation and response functions, we focus on aging processes and dynamical scaling during logarithmic growth. Using the time-dependent growth length as the scaling variable, a simple aging picture emerges that is expected to also prevail in the asymptotic regime of disordered ferromagnets and spin glasses.en
dc.description.sponsorshipUS National Science Foundation_DMR-0904999, DMR-1205309en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationAfzal, Nasrin ; Pleimling, Michel., Jan 14, 2013. "Aging processes in systems with anomalous slow dynamics," PHYSICAL REVIEW E 87(1): 012114. DOI: 10.1103/PhysRevE.87.012114en
dc.identifier.doihttps://doi.org/10.1103/PhysRevE.87.012114en
dc.identifier.issn1539-3755en
dc.identifier.urihttp://hdl.handle.net/10919/24869en
dc.identifier.urlhttp://link.aps.org/doi/10.1103/PhysRevE.87.012114en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectdriven diffusive systemsen
dc.subjectphase-separationen
dc.subjectdomain growthen
dc.subjectmodelen
dc.subjectfluctuationsen
dc.subjectkineticsen
dc.subjectPhysicsen
dc.titleAging processes in systems with anomalous slow dynamicsen
dc.title.serialPhysical Review Een
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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