Aging in ferromagnetic systems at criticality near four dimensions

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dc.creatorCalabrese, Pasquale
dc.creatorGambassi, Andrea
dc.date2002-03-05
dc.date.accessioned2026-07-07T12:16:37Z
dc.date.available2026-07-07T12:16:37Z
dc.descriptionWe study the off-equilibrium response and correlation functions and the corresponding fluctuation-dissipation ratio for a purely dissipative relaxation of an O(N) symmetric vector model (Model A) below its upper critical dimension. The scaling behavior of these quantities is analyzed and the associated universal functions are determined at first order in epsilon expansion in the high-temperature phase and at criticality. A non trivial limit of the fluctuation-dissipation ratio is found in the aging regime.
dc.description11 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0203096
dc.identifierhttp://arxiv.org/abs/cond-mat/0203096
dc.identifierPhys.Rev.E65:066120,2002
dc.identifierdoi:10.1103/PhysRevE.65.066120
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211858
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Theory
dc.titleAging in ferromagnetic systems at criticality near four dimensions
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