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hep-th2013
Canonical formalism of bigravity
Vladimir O. Soloviev
We construct the Hamiltonian formalism of bigravity for the potential of a general form. We find conditions on this potential and prove that under these conditions the formalism is…
hep-th2013★ 20 cited
Bigravity in Kuchar's Hamiltonian formalism. 2. The special case
Vladimir O. Soloviev, Margarita V. Tchichikina
It is proved, that, in order to avoid the ghost mode in bigravity theory, it is sufficient to impose four conditions on the potential of interaction of the two metrics. First, the…