Beyond dRGT as Mimetic Massive
arXiv:1801.07958 · doi:10.1016/j.physletb.2018.02.044
Abstract
An interesting proposal has recently been made to extend massive gravity models beyond dRGT by a disformal transformation of the metric. In this Letter we want to note that it can be viewed as a mimetic extension of dRGT gravity which enormously simplifies the Hamiltonian analysis. In particular, pure gravity sector is equivalent to the usual dRGT gravity coupled to a constrained scalar field. And we also give some comments about possible matter couplings.
7 pages; minor changes; final version
References in corpus (2)
Cited by in corpus (8)
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