Initial-Value Problem for Inhomogeneous Condensate: Gaussian Approximation and Beyond

dc.creatorLin, Chi-Yong
dc.creatorPiza, A. F. R. de Toledo
dc.date1999-02-02
dc.date.accessioned2026-07-07T03:12:45Z
dc.date.available2026-07-07T03:12:45Z
dc.descriptionUsing many-body theory we develop a set of formally exact kinetic equations for inhomogeneous condensate and one-body observables. The method is illutrated for phi^4 field theory in 1+1 dimensions. These equations, when computed with the help of time-dependent projection technique, lead to a systematic mean-field expansion. The lowest and the higher order terms correspond to, respectively, the gaussian approximation and the dynamical correlation effect.
dc.description24 pages, Latex file
dc.identifierhttps://arxiv.org/abs/cond-mat/9902027
dc.identifierhttp://arxiv.org/abs/cond-mat/9902027
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29029
dc.subjectCondensed Matter
dc.titleInitial-Value Problem for Inhomogeneous Condensate: Gaussian Approximation and Beyond
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