Classical fields as coherent states and diffusion equations

dc.creatorSirkka, Jukka
dc.creatorVilja, Iiro
dc.date1998-06-11
dc.date.accessioned2026-07-07T04:04:03Z
dc.date.available2026-07-07T04:04:03Z
dc.descriptionWe present a derivation of the effect of the classical field configuration to the diffusion equations. Using the formalism of the thermo field dynamics we propose a systematic and consistent way to treat the classical background and to calculate it's effect at any order of the perturbation theory. We treat the classical field in genuine quantum field theory formalism as a coherent state and show how the propagators and self energies are altered in this case.
dc.descriptionLaTeX2e, 11 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/9806343
dc.identifierhttp://arxiv.org/abs/hep-ph/9806343
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/47932
dc.subjectHigh Energy Physics - Phenomenology
dc.titleClassical fields as coherent states and diffusion equations
dc.typetext

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