Massive Gravity Simplified: A Quadratic Action
classification
✦ hep-th
gr-qc
keywords
gravitymassiveformulationquadraticsimplifiedactionallowsbackground
read the original abstract
We present a simplified formulation of massive gravity where the Higgs fields have quadratic kinetic term. This new formulation allows us to prove in a very explicit way that all massive gravity theories considered so far inevitably have Boulware-Deser ghost in non-trivial fluctuations of background metric.
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