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A comment on the matter-graviton coupling

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dc.creator Álvarez-Vázquez, Enrique
dc.creator Fernández Faedo, Antón
dc.date 2008-06-30T19:35:52Z
dc.date 2008-06-30T19:35:52Z
dc.date 2007-10-30
dc.date.accessioned 2017-01-31T02:15:10Z
dc.date.available 2017-01-31T02:15:10Z
dc.identifier arXiv:0707.4221v5 [hep-th]
dc.identifier http://hdl.handle.net/10261/5467
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/5467
dc.description Submitted on 28 Jul 2007 (v1), last revised 30 Oct 2007 (this version, v5).-- 17 pages, 4 figures. References added
dc.description We 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.description This work has been partially supported by the European Commission (HPRN-CT-200-00148) and by FPA2003-04597 (DGI del MCyT, Spain), as well as Proyecto HEPHACOS (CAM); P-ESP-00346. A.F.F has been supported by a MEC grant, AP-2004-0921.
dc.description Peer reviewed
dc.format 298777 bytes
dc.format application/pdf
dc.language eng
dc.relation IFT-UAM/CSIC-07-32
dc.relation Preprint
dc.rights openAccess
dc.subject High Energy Physics - Theory
dc.title A comment on the matter-graviton coupling
dc.type Pre-print

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