A comment on the matter-graviton coupling

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dc.creatorAlvarez, Enrique
dc.creatorFaedo, Anton F.
dc.date2007-07-28
dc.date2007-10-30
dc.date.accessioned2026-07-07T11:18:14Z
dc.date.available2026-07-07T11:18:14Z
dc.descriptionWe point out a generic inconsistency of the coupling of ordinary gravity as described by general relativity with matter invariant under the subgroup of unimodular diffeomorphisms (TDiffs), and some previously studied exceptions are pointed out. The most general Lagrangian invariant under TDiff up to dimension five operators is determined, and restrictions on parameters coming from existing observations are studied in some cases.
dc.description17 pages, 4 figures. References added
dc.identifierhttps://arxiv.org/abs/0707.4221
dc.identifierhttp://arxiv.org/abs/0707.4221
dc.identifierPhys.Rev.D76:124016,2007
dc.identifierdoi:10.1103/PhysRevD.76.124016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193274
dc.subjectHigh Energy Physics - Theory
dc.titleA comment on the matter-graviton coupling
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