The coupling to matter in massive, bi- and multi-gravity

Johannes Noller, Scott Melville

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n this paper we construct a family of ways in which matter can couple to one or more `metrics'/spin-2 fields in the vielbein formulation. We do so subject to requiring the weak equivalence principle and the absence of ghosts from pure spin-2 interactions generated by the matter action. Results are presented for Massive, Bi- and Multi-Gravity theories and we give explicit expressions for the effective matter metric in all of these cases.
Original languageEnglish
Article number003
Pages (from-to)1-19
Number of pages19
JournalJournal of Cosmology and Astroparticle Physics
Issue number01
Publication statusPublished - 7 Jan 2015


  • modified gravity
  • gravity
  • dark energy theory
  • RCUK
  • STFC


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