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dc.creatorGhasemkhani, M.-
dc.creatorBufalo, R.-
dc.creatorRahmanpour, V.-
dc.creatorAlipour, M.-
dc.date.accessioned2020-09-22T23:44:51Z-
dc.date.available2020-09-22T23:44:51Z-
dc.date.issued2020-01-
dc.identifier.citationGHASEMKHANI, M. et al. One-loop photon’s effective action in the noncommutative scalar QED3. Physical Review D, [S. I.], v. 101, n. 2, Jan. 2020. DOI: 10.1103/PhysRevD.101.025001.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/43165-
dc.identifier.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.101.025001-
dc.description.abstractIn this paper, we consider the evaluation of the effective action for photons coupled to charged scalar fields in the framework of a ( 2 + 1 )-dimensional noncommutative spacetime. In order to determine the noncommutative Maxwell Lagrangian density, we follow a perturbative approach, by integrating out the charged scalar fields, to compute the respective graphs for the vev’s ⟨ A A ⟩ , ⟨ A A A ⟩ , and ⟨ A A A A ⟩ . Surprisingly, it is shown that these contributions are planar and that, in the highly noncommutative limit, correspond to the Maxwell effective action and its higher-derivative corrections. It is explicitly verified that the one-loop effective action is gauge invariant, as well as under discrete symmetries: parity, time reversal, and charge conjugation. Moreover, a comparison of the main results with the noncommutative QED 3 is established. In particular, the main difference is the absence of parity violating terms in the photon’s effective action coming from integrating out the charged scalar fields.pt_BR
dc.languageenpt_BR
dc.publisherAmerican Physical Societypt_BR
dc.rightsacesso abertopt_BR
dc.sourcePhysical Review Dpt_BR
dc.subjectNoncommutative field theoriespt_BR
dc.subjectQuantum electrodynamicspt_BR
dc.subjectQuantum field theorypt_BR
dc.subjectTeorias de Campo Não Comutativaspt_BR
dc.subjectEletrodinâmica quânticapt_BR
dc.subjectTeoria quântica de campospt_BR
dc.titleOne-loop photon’s effective action in the noncommutative scalar QED3pt_BR
dc.typeArtigopt_BR
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