From massive gravity to modified general relativity II |
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| Authors: | D. R. Grigore G. Scharf |
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| Affiliation: | 1.Department of Theoretical Physics,Institute for Physics and Nuclear Engineering “Horia Hulubei”, Institute of Atomic Physics,Bucharest-Magurele,Romania;2.Institut für Theoretische Physik,Universit?t Zürich,Zürich,Switzerland |
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| Abstract: | We continue our investigation of massive gravity in the massless limit of vanishing graviton mass. From gauge invariance we derive the most general coupling between scalar matter and gravity. We get further couplings beside the standard coupling to the energy–momentum tensor. On the classical level this leads to a further modification of general relativity. |
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