Berry Phases with Real Hamiltonians With and Without a Many-body System as a Background

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dc.creatorHong, S. P.
dc.creatorDoh, H.
dc.creatorSalk, S. H. Suck
dc.date1996-05-29
dc.date1996-06-11
dc.date.accessioned2026-07-07T09:08:54Z
dc.date.available2026-07-07T09:08:54Z
dc.descriptionWe present both the gauge theoretic description and the numerical calculations of the Berry phases with the real eigenstates, involving one with a many-body system as a background and the other with no such background. We demonstrate that for the former the sign of the Berry phase factor for a spin $\f{1}{2}$ particle (hole) coupled to a slow subsystem (phonon) depends on both the strength of electron correlations and the characteristics of the closed paths, unlike the cases for the latter.
dc.description4 pages RevTex, uses epsf,twocolumn, 3 embedded postscript figures, submitted to PRL, acknowledgement appended
dc.identifierhttps://arxiv.org/abs/quant-ph/9605040
dc.identifierhttp://arxiv.org/abs/quant-ph/9605040
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/150891
dc.subjectQuantum Physics
dc.subjectCondensed Matter
dc.titleBerry Phases with Real Hamiltonians With and Without a Many-body System as a Background
dc.typetext

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