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From massive gravity to modified general relativity


Scharf, Günter (2010). From massive gravity to modified general relativity. General Relativity and Gravitation, 42(3):471-487.

Abstract

Massive gravity which has been constructed from a cohomological formulation of gauge invariance by means of the descent equations is here investigated in the classical limit. Gauge invariance requires a vector-graviton field v coupled to the massive tensor field h μν. In the limit of vanishing graviton mass the v-field does not decouple. On the classical level this leads to a modification of general relativity. The contribution of the v-field to the energy-momentum tensor can be interpreted as dark matter density and pressure. We solve the modified field equations in the simplest spherically symmetric geometry

Abstract

Massive gravity which has been constructed from a cohomological formulation of gauge invariance by means of the descent equations is here investigated in the classical limit. Gauge invariance requires a vector-graviton field v coupled to the massive tensor field h μν. In the limit of vanishing graviton mass the v-field does not decouple. On the classical level this leads to a modification of general relativity. The contribution of the v-field to the energy-momentum tensor can be interpreted as dark matter density and pressure. We solve the modified field equations in the simplest spherically symmetric geometry

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Item Type:Journal Article, refereed, original work
Communities & Collections:National licences > 142-005
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Physics and Astronomy (miscellaneous)
Language:English
Date:1 March 2010
Deposited On:11 Dec 2018 18:29
Last Modified:31 Jul 2020 02:41
Publisher:Springer
ISSN:0001-7701
OA Status:Green
Publisher DOI:https://doi.org/10.1007/s10714-009-0864-0
Related URLs:https://www.swissbib.ch/Search/Results?lookfor=nationallicencespringer101007s1071400908640 (Library Catalogue)

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