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dRGT theory of massive gravity from spontaneous symmetry breaking

Torabian, M ; Sharif University of Technology | 2018

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  1. Type of Document: Article
  2. DOI: 10.1016/j.physletb.2018.02.048
  3. Publisher: Elsevier B.V , 2018
  4. Abstract:
  5. In this note we propose a topological action for a Poincare times diffeomorphism invariant gauge theory. We show that there is Higgs phase where the gauge symmetry is spontaneous broken to a diagonal Lorentz subgroup and gives the Einstein–Hilbert action plus the dRGT potential terms. In this vacuum, there are five (three from Goldstone modes) propagating degrees of freedom which form polarizations of a massive spin 2 particle, an extra healthy heavy scalar (Higgs) mode and no Boulware–Deser ghost mode. We further show that the action can be derived in a limit from a topological de Sitter invariant gauge theory in 4 dimensions. © 2018 The Author(s)
  6. Keywords:
  7. Gravitation ; Scalars ; Horndesk: theories
  8. Source: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics ; Volume 780 , 2018 , Pages 81-85 ; 03702693 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/pii/S037026931830159X?via%3Dihub