Induced Chern-Simons-like action in Lorentz-violating massless QED

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dc.creatorBrito, F. A.
dc.creatorGrigorio, L. S.
dc.creatorGuimaraes, M. S.
dc.creatorPassos, E.
dc.creatorWotzasek, C.
dc.date2008-10-17
dc.date2008-12-02
dc.date.accessioned2026-07-07T12:23:21Z
dc.date.available2026-07-07T12:23:21Z
dc.descriptionIn the present work, we study different aspects of Lorentz and CPT symmetry violation in extended massless QED. By following the observation that the 2+1 dimensional Maxwell-Chern-Simons theory can be originated from the 3+1 dimensional Chern-Simons-like action, we also focus on the fermion sector to relate the 3+1 dimensional extended massless QED to 2+1 dimensional massive QED. We take advantage of this to state that the Chern-Simons-like action in extended massless QED can be induced with its coefficient being well defined and finite just as its 2+1 counterpart. We make use of three different regularization schemes by inducting the Chern-Simons-like in 3+1 dimensions to support this conjecture.
dc.descriptionTo appear in Phys. Rev. D, 7 pages, 2 eps figures, minor changes
dc.identifierhttps://arxiv.org/abs/0810.3180
dc.identifierhttp://arxiv.org/abs/0810.3180
dc.identifierPhys.Rev.D78:125023,2008
dc.identifierdoi:10.1103/PhysRevD.78.125023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/213956
dc.subjectHigh Energy Physics - Theory
dc.titleInduced Chern-Simons-like action in Lorentz-violating massless QED
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