1/N_c expansion for the partition function in four fermion models

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dc.creatorBarducci, A.
dc.creatorCasalbuoni, R.
dc.creatorModugno, M.
dc.creatorPettini, G.
dc.creatorGatto, R.
dc.date1996-03-20
dc.date.accessioned2026-07-07T10:58:16Z
dc.date.available2026-07-07T10:58:16Z
dc.descriptionWe present a derivation of the bosonic contribution to the thermodynamical potential of four fermion models by means of a $1/N_c$-expansion of the functional integral defining the partition function. This expansion turns out to be particularly useful to correct the mean field approximation expecially at low temperatures, where the relevant degrees of freedom are low-mass bosonic excitations (pseudogoldstones).
dc.description9 pages, latex, no figures
dc.identifierhttps://arxiv.org/abs/hep-ph/9603358
dc.identifierhttp://arxiv.org/abs/hep-ph/9603358
dc.identifierMod.Phys.Lett.A11:1579-1587,1996
dc.identifierdoi:10.1142/S0217732396001570
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187037
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.subjectNuclear Theory
dc.title1/N_c expansion for the partition function in four fermion models
dc.typetext

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