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Resolving the Ghost Problem in Nonlinear Massive Gravity
Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
2012 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 108, no 4, 041101-(4 pp) p.Article in journal (Refereed) Published
Abstract [en]

We analyze the ghost issue in the recently proposed models of nonlinear massive gravity in the Arnowitt-Deser-Misner formalism. We show that, in the entire two-parameter family of actions, the Hamiltonian constraint is maintained at the complete nonlinear level and we argue for the existence of a nontrivial secondary constraint. This implies the absence of the pathological Boulware-Deser ghost to all orders. To our knowledge, this is the first demonstration of the existence of a consistent theory of massive gravity at the complete nonlinear level, in four dimensions.

Place, publisher, year, edition, pages
2012. Vol. 108, no 4, 041101-(4 pp) p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-76312DOI: 10.1103/PhysRevLett.108.041101ISI: 000299824000003OAI: oai:DiVA.org:su-76312DiVA: diva2:526909
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2

Available from: 2012-05-15 Created: 2012-05-10 Last updated: 2017-12-07Bibliographically approved

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