2 papers
gr-qc2014
Stable Bimetric Theories
Idan Talshir
We prove that there are energetically stable bimetric theories. These theories satisfies a positive energy theorem. We construct a model example.
gr-qc2014
First order formalism for bimetric theories with connection interaction
Idan Talshir
We construct a first order Lagrangian formalism for bimetric theories with an interaction which is a general function of metrics and their derivatives, including non-analytic funct…