ADM Analysis of Gravity Models within the Framework of Bimetric Variational Formalism

Understand

Bimetric variational formalism was recently employed to construct novel bimetric gravity models.

• In these models an affine connection is generated by an additional tensor field which is independent of the physical metric.
• In this work we demonstrate how the ADM decomposition can be applied to study such models and provide some technical intermediate details.
• Using ADM decomposition we are able to prove that a linear model is unstable as has previously been indicated by perturbative analysis.