Bremsstrahlung Radiation as Coherent State in Thermal QED

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dc.creatorWang, Enke
dc.creatorXiao, Jun
dc.creatorZhang, Hanzhong
dc.date2001-10-23
dc.date.accessioned2026-07-07T10:52:28Z
dc.date.available2026-07-07T10:52:28Z
dc.descriptionBased on fully finite temperature field theory we investigate the radiation probability in the bremsstrahlung process in thermal QED. It turns out that the infrared divergences resulting from the emission and absorption of the real photons are canceled by the virtual photon exchange processes at finite temperature. The full quantum calculation results for soft photons radiation coincide completely with that obtained in the semi-classical approximation. In the framework of Thermofield Dynamics it is shown that the bremsstrahlung radiation in thermal QED is a coherent state, the quasiclassical behavior of the coherent state leads to above coincidence.
dc.description8 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0110288
dc.identifierhttp://arxiv.org/abs/hep-ph/0110288
dc.identifierJ.Phys.G27:2379-2388,2001
dc.identifierdoi:10.1088/0954-3899/27/12/301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/185168
dc.subjectHigh Energy Physics - Phenomenology
dc.titleBremsstrahlung Radiation as Coherent State in Thermal QED
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