Causality Constraints on Massive Gravity

Abstract

The de Rham-Gabadadze-Tolley massive gravity admits pp-wave backgrounds on which linear fluctuations are shown to undergo time advances for all values of the parameters. The perturbations may propagate in closed time-like curves unless the parameter space is constrained to a line. These classical phenomena take place well within the theory's validity regime.

6 pages, 4 figures; to appear in PRD

References in corpus (6)

• Resummation of Massive Gravity
• Causality, Analyticity and an IR Obstruction to UV Completion
• Acausality of Massive Gravity
• Problems of Massive Gravities
• Covariant constraints for generic massive gravity and analysis of its characteristics
• Consistent massive graviton on arbitrary backgrounds

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