Vacuum structure and effective potential at finite temperature: a variational approach

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dc.creatorMishra, Amruta
dc.creatorMishra, Hiranmaya
dc.date1996-11-19
dc.date.accessioned2026-07-07T10:58:21Z
dc.date.available2026-07-07T10:58:21Z
dc.descriptionWe compute the effective potential for $ϕ^4$ theory with a squeezed coherent state type of construct for the ground state. The method essentially consists in optimising the basis at zero and finite temperatures. The gap equation becomes identical to resumming the infinite series of daisy and super daisy graphs while the effective potential includes multiloop effects and agrees with that obtained through composite operator formalism at finite temperature.
dc.description15 pages, Revtex, No figures, to appear in Jou. of Phys.G(Nucl. and Part. Phys.)
dc.identifierhttps://arxiv.org/abs/hep-ph/9611365
dc.identifierhttp://arxiv.org/abs/hep-ph/9611365
dc.identifierJ.Phys.G23:143-150,1997
dc.identifierdoi:10.1088/0954-3899/23/2/002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187071
dc.subjectHigh Energy Physics - Phenomenology
dc.titleVacuum structure and effective potential at finite temperature: a variational approach
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