Lorentz and CPT symmetries in commutative and noncommutative spacetime

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dc.creatorBazeia, D.
dc.creatorMariz, T.
dc.creatorNascimento, J. R.
dc.creatorPassos, E.
dc.creatorRibeiro, R. F.
dc.date2003-03-13
dc.date.accessioned2026-07-07T10:49:35Z
dc.date.available2026-07-07T10:49:35Z
dc.descriptionWe investigate the fermionic sector of a given theory, in which massive and charged Dirac fermions interact with an Abelian gauge field, including a non standard contribution that violates both Lorentz and CPT symmetries. We offer an explicit calculation in which the radiative corrections due to the fermions seem to generate a Chern-Simons-like effective action. Our results are obtained under the general guidance of dimensional regularization, and they show that there is no room for Lorentz and CPT violation in both commutative and noncommutative spacetime.
dc.descriptionRevTex4, 7 pages, to be published in J. Phys. A
dc.identifierhttps://arxiv.org/abs/hep-th/0303122
dc.identifierhttp://arxiv.org/abs/hep-th/0303122
dc.identifierJ.Phys.A36:4937,2003
dc.identifierdoi:10.1088/0305-4470/36/17/319
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/184266
dc.subjectHigh Energy Physics - Theory
dc.titleLorentz and CPT symmetries in commutative and noncommutative spacetime
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