Four-point functions in Keldysh basis

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dc.creatorGuerin, F.
dc.date2001-05-30
dc.date.accessioned2026-07-07T03:44:37Z
dc.date.available2026-07-07T03:44:37Z
dc.descriptionThe Keldysh three- and four-point functions are related to analytical continuations of the Imaginary Time amplitudes,in momentum space. The relation provides an interesting interpretation of the amplitudes that are specific to the Keldysh basis, and of the Ward Identities they satisfy in QED. The interpretation carries over to the (perturbative) non-equilibrium case.
dc.description27 pages, 2 figures, latex2e
dc.identifierhttps://arxiv.org/abs/hep-ph/0105313
dc.identifierhttp://arxiv.org/abs/hep-ph/0105313
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/40639
dc.subjectHigh Energy Physics - Phenomenology
dc.titleFour-point functions in Keldysh basis
dc.typetext

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