Counterterm resummation for 2PI-approximation in constant background

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dc.creatorPatkos, A.
dc.creatorSzep, Zs.
dc.date2008-06-16
dc.date2008-09-22
dc.date.accessioned2026-07-07T11:51:42Z
dc.date.available2026-07-07T11:51:42Z
dc.descriptionExplicit counterterm construction is presented in a symmetry breaking background for the 2PI effective action of the self-interacting one-component scalar field including skeleton diagrams to O(λ^2). The applied strategy is an extension of our treatment of the 2PI-Hartree approximation [G. Fejos, A. Patkos and Zs. Szep, Nucl. Phys. A803 (2008) 135]. The procedure is also applied to the O(N) model.
dc.description23 pages, 2 figures, typos corrected. Version published in Nucl. Phys. A
dc.identifierhttps://arxiv.org/abs/0806.2554
dc.identifierhttp://arxiv.org/abs/0806.2554
dc.identifierNucl.Phys.A811:329-352,2008
dc.identifierdoi:10.1016/j.nuclphysa.2008.08.001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/203988
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCounterterm resummation for 2PI-approximation in constant background
dc.typetext

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