Lorentz violation in the linearized gravity

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dc.creatorFerrari, A. F.
dc.creatorGomes, M.
dc.creatorNascimento, J. R.
dc.creatorPassos, E.
dc.creatorPetrov, A. Yu.
dc.creatorda Silva, A. J.
dc.date2006-09-29
dc.date2007-08-30
dc.date.accessioned2026-07-07T11:43:56Z
dc.date.available2026-07-07T11:43:56Z
dc.descriptionWe study some physical consequences of the introduction of a Lorentz-violating modification term in the linearized gravity, which leads to modified dispersion relations for gravitational waves in the vacuum. We discuss two possible mechanisms for the induction of such a term in the Lagrangian. First, it is generated at the quantum level by a Lorentz-breaking coupling of the gravity field to a spinor field. Second, it appears as consequence of a particular modification of the Poisson algebra of the canonical variables, in the spirit of the so-called ``noncommutative fields approach''.
dc.description14 pages, 1 figure, revtex4; v4: final version
dc.identifierhttps://arxiv.org/abs/hep-th/0609222
dc.identifierhttp://arxiv.org/abs/hep-th/0609222
dc.identifierPhys.Lett.B652:174-180,2007
dc.identifierdoi:10.1016/j.physletb.2007.07.013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201422
dc.subjectHigh Energy Physics - Theory
dc.titleLorentz violation in the linearized gravity
dc.typetext

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