invariant Fierz-Pauli massive gravity
arXiv:2010.10871 · doi:10.1103/PhysRevD.103.046011
Abstract
We consider an invariant massive deformation of double field theory at the level of free theory. We study Kaluza-Klein reduction on and derive the diagonalized second order action for each helicity mode. Imposing the absence of ghosts and tachyons, we obtain a class of consistency conditions which include the well known weak constraint in double field theory as a special case. Consequently, we find two-parameter sets of invariant Fierz-Pauli massive gravity theories.
arXiv comment15 pages,1 figure
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