The Jaynes-Gibbs principle of maximal entropy and the non-equilibrium propagators of the O(N) phi^4 theory at large N

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dc.creatorJizba, P.
dc.creatorTututi, E. S.
dc.date1998-09-15
dc.date1998-11-12
dc.date.accessioned2026-07-07T04:25:07Z
dc.date.available2026-07-07T04:25:07Z
dc.descriptionWe present a novel procedure for calculating non-equilibrium two-point Green's functions in the $O(N) ϕ^{4}$ theory at large $N$. The non-equilibrium density matrix $ρ$ is constructed via the Jaynes-Gibbs principle of maximal entropy and it is directly implemented into the Dyson-Schwinger equations through initial value conditions. In the large $N$ limit we perform an explicit evaluation of two-point Green's functions for two illustrative choices of $ρ$.
dc.description4 pages, REVTeX, no figures, references added, minor corrections in text
dc.identifierhttps://arxiv.org/abs/hep-th/9809110
dc.identifierhttp://arxiv.org/abs/hep-th/9809110
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/55659
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Jaynes-Gibbs principle of maximal entropy and the non-equilibrium propagators of the O(N) phi^4 theory at large N
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