Quench dynamics and non equilibrium phase diagram of the Bose-Hubbard model

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dc.creatorKollath, Corinna
dc.creatorLaeuchli, Andreas
dc.creatorAltman, Ehud
dc.date2006-07-10
dc.date2007-05-07
dc.date.accessioned2026-07-07T07:59:35Z
dc.date.available2026-07-07T07:59:35Z
dc.descriptionWe investigate the time evolution of correlations in the Bose-Hubbard model following a quench from the superfluid to the Mott insulating phase. For large values of the final interaction strength the system approaches a distinctly non-equilibrium steady state that bears strong memory of the initial conditions. In contrast, when the final interaction strength is comparable to the hopping, the correlations are rather well approximated by those at thermal equilibrium. The existence of two distinct non-equilibrium regimes is surprising given the non-integrability of the Bose-Hubbard model. We relate this phenomena to the role of quasi-particle interactions in the Mott insulating state.
dc.identifierhttps://arxiv.org/abs/cond-mat/0607235
dc.identifierhttp://arxiv.org/abs/cond-mat/0607235
dc.identifierPhys. Rev. Lett. 98, 180601 (2007)
dc.identifierdoi:10.1103/PhysRevLett.98.180601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128422
dc.subjectOther Condensed Matter
dc.titleQuench dynamics and non equilibrium phase diagram of the Bose-Hubbard model
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