Atomic radiative transitions in thermo field dynamics

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dc.contributor.authorTomazelli, J. L.
dc.contributor.authorCosta, L. C.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:05:37Z
dc.date.available2014-05-20T14:05:37Z
dc.date.issued2003-03-20
dc.description.abstractIn this work we rederive the Lamb-Retherford energy shift for an atomic electron in the presence of a thermal radiation. Using the Dalibard, Dupont-Roc and Cohen-Tannoudji (DDC) formalism, where physical observables are expressed as convolutions of suitable statistical functions, we construct the electromagnetic field propagator of thermo field dynamics in the Coulomb gauge in order to investigate finite temperature effects on the atomic energy levels. In the same context, we also analyze the problem of the ground state stability.en
dc.description.affiliationUniv Estadual Paulista, Dept Quim & Fis, BR-12500000 Guaratingueta, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Quim & Fis, BR-12500000 Guaratingueta, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.format.extent1079-1089
dc.identifierhttp://dx.doi.org/10.1142/S0217751X03012345
dc.identifier.citationInternational Journal of Modern Physics A. Singapore: World Scientific Publ Co Pte Ltd, v. 18, n. 7, p. 1079-1089, 2003.
dc.identifier.doi10.1142/S0217751X03012345
dc.identifier.issn0217-751X
dc.identifier.urihttp://hdl.handle.net/11449/23029
dc.identifier.wosWOS:000181876900006
dc.language.isoeng
dc.publisherWorld Scientific Publ Co Pte Ltd
dc.relation.ispartofInternational Journal of Modern Physics A
dc.relation.ispartofjcr1.291
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectradiative correctionspt
dc.subjectfinite temperaturept
dc.titleAtomic radiative transitions in thermo field dynamicsen
dc.typeArtigo
dcterms.licensehttp://www.worldscientific.com/page/authors/author-rights
dcterms.rightsHolderWorld Scientific Publ Co Pte Ltd
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt

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Artigos - Física e Química - FEG
Artigos - Instituto de Física Teórica (IFT)