Covariant constraints in ghost free massive gravity

@article{Deffayet2013CovariantCI,
  title={Covariant constraints in ghost free massive gravity},
  author={Cedric Deffayet and Jihad Mourad and George Zahariade},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2013},
  volume={2013},
  pages={032-032}
}
We show that the reformulation of the de Rham-Gabadadze-Tolley massive gravity theory using vielbeins leads to a very simple and covariant way to count constraints, and hence degrees of freedom. Our method singles out a subset of theories, in the de Rham-Gabadadze-Tolley family, where an extra constraint, needed to eliminate the Boulware Deser ghost, is easily seen to appear. As a side result, we also introduce a new method, different from the Stuckelberg trick, to extract kinetic terms for the… Expand
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