The O(N) Nonlinear Sigma Model in the Functional Schrödinger Picture

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dc.creatorKim, Dae Kwan
dc.creatorKim, Chul Koo
dc.date1997-09-13
dc.date.accessioned2026-07-07T10:53:50Z
dc.date.available2026-07-07T10:53:50Z
dc.descriptionWe present a functional Schrödinger picture formalism of the (1+1)-dimensional $O(N) $ nonlinear sigma model. The energy density has been calculated to two-loop order using the wave functional of a gaussian form, and from which the nonperturbative mass gap of the boson fields has been obtained. The functional Schrödinger picture approach combined with the variational technique is shownto describe the characteristics of the ground state of the nonlinear sigma model in a transparent way.
dc.description13 pages, no figures, Latex file
dc.identifierhttps://arxiv.org/abs/hep-th/9709092
dc.identifierhttp://arxiv.org/abs/hep-th/9709092
dc.identifierJ.Phys.A31:6029-6036,1998
dc.identifierdoi:10.1088/0305-4470/31/28/016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/185615
dc.subjectHigh Energy Physics - Theory
dc.subjectCondensed Matter
dc.titleThe O(N) Nonlinear Sigma Model in the Functional Schrödinger Picture
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