Nonthermal steady states after an interaction quench in the Falicov-Kimball model

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dc.creatorEckstein, Martin
dc.creatorKollar, Marcus
dc.date2007-07-18
dc.date2008-04-08
dc.date.accessioned2026-07-07T09:30:36Z
dc.date.available2026-07-07T09:30:36Z
dc.descriptionWe present the exact solution of the Falicov-Kimball model after a sudden change of its interaction parameter using non-equilibrium dynamical mean-field theory. For different interaction quenches between the homogeneous metallic and insulating phases the system relaxes to a non-thermal steady state on time scales on the order of hbar/bandwidth, showing collapse and revival with an approximate period of h/interaction if the interaction is large. We discuss the reasons for this behavior and provide a statistical description of the final steady state by means of generalized Gibbs ensembles.
dc.description4 pages, 2 figures; published version
dc.identifierhttps://arxiv.org/abs/0707.2789
dc.identifierhttp://arxiv.org/abs/0707.2789
dc.identifierPhys. Rev. Lett. 100, 120404 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.120404
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158171
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.titleNonthermal steady states after an interaction quench in the Falicov-Kimball model
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