Effective potential in Lorentz-breaking field theory models

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dc.creatorScarpelli, A. P. Baeta
dc.creatorBrito, L. C. T.
dc.creatorFelipe, J. C. C.
dc.creatorNascimento, J. R.
dc.creatorPetrov, A. Yu.
dc.date.accessioned2018-12-20T14:54:30Z
dc.date.available2018-12-20T14:54:30Z
dc.date.issued2017-12
dc.description.abstractWe calculate explicitly the one-loop effective potential in different Lorentz-breaking field theory models. First, we consider a Yukawa-like theory and some examples of Lorentz-violating extensions of scalar QED. We observe, for the extended QED models, that the resulting effective potential converges to the known result in the limit in which Lorentz symmetry is restored. Besides, the one-loop corrections to the effective potential in all the cases we study depend on the background tensors responsible for the Lorentz-symmetry violation. This has consequences for physical quantities like, for example, in the induced mass due to the Coleman–Weinberg mechanism.pt_BR
dc.identifier.citationSCARPELLI, A. P. B. et al. Effective potential in Lorentz-breaking field theory models. The European Physical Journal C, Heildelberg, v. 77, n. 850, p. 1-7, Dec. 2017.pt_BR
dc.identifier.urihttps://repositorio.ufla.br/handle/1/32230
dc.identifier.urihttps://link.springer.com/article/10.1140/epjc/s10052-017-5430-4pt_BR
dc.languageen_USpt_BR
dc.publisherSpringerpt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceThe European Physical Journal Cpt_BR
dc.subjectLorentz-breaking field theorypt_BR
dc.subjectYukawa-like theorypt_BR
dc.subjectTeoria de campo de quebra de Lorentzpt_BR
dc.subjectTeoria Yukawa-likept_BR
dc.titleEffective potential in Lorentz-breaking field theory modelspt_BR
dc.typeArtigopt_BR

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