Real time statistical field theory

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dc.creatorCarrington, M. E.
dc.creatorFugleberg, T.
dc.creatorIrvine, D. S.
dc.creatorPickering, D.
dc.date2006-08-28
dc.date.accessioned2026-07-07T10:25:20Z
dc.date.available2026-07-07T10:25:20Z
dc.descriptionWe have written a {\it Mathematica} program that calculates the integrand corresponding to any amplitude in the closed-time-path formulation of real time statistical field theory. The program is designed so that it can be used by someone with no previous experience with {\it Mathematica}. It performs the contractions over the tensor indices that appear in real time statistical field theory and gives the result in the 1-2, Keldysh or RA basis. We have used the program to calculate the ward identity for the QED 3-point function, the QED 4-point function for two photons and two fermions, and the QED 5-point function for three photons and two fermions. In real time statistical field theory, there are seven 3-point functions, 15 4-point functions and 31 5-point functions. We produce a table that gives the results for all of these functions. In addition, we give a simple general expression for the KMS conditions between $n$-point green functions and vertex functions, in both the Keldysh and RA bases
dc.description25 pages, 12 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0608298
dc.identifierhttp://arxiv.org/abs/hep-ph/0608298
dc.identifierEur.Phys.J.C50:711-727,2007
dc.identifierdoi:10.1140/epjc/s10052-007-0276-9
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176505
dc.subjectHigh Energy Physics - Phenomenology
dc.titleReal time statistical field theory
dc.typetext

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