The Classical Approximation for Real-Time Scalar Field Theory at Finite Temperature

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dc.creatorAarts, Gert
dc.date1998-09-11
dc.date.accessioned2026-07-07T04:04:49Z
dc.date.available2026-07-07T04:04:49Z
dc.descriptionThe use of classical thermal field to approximate real-time quantum thermal field theory is discussed. For a λϕ^4 theory, it is shown that the classical Rayleigh-Jeans divergence can be canceled with the appropriate counterterms, and a comparison is made between the classical and quantum perturbative expansion. It is explained why Hard Thermal Loops prevent the same method to work for gauge theories.
dc.description5 pages, 2 eps figures, talk presented at the 5th International Workshop on Thermal Field Theories and Their Applications, Regensburg, Germany, August 10-14, 1998
dc.identifierhttps://arxiv.org/abs/hep-ph/9809339
dc.identifierhttp://arxiv.org/abs/hep-ph/9809339
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/48250
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Classical Approximation for Real-Time Scalar Field Theory at Finite Temperature
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