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arxiv: 1610.02033 · v3 · pith:ZCJWNL7Znew · submitted 2016-10-06 · ✦ hep-th · astro-ph.CO· gr-qc

Causality Constraints on Massive Gravity

Xi\'an O. Camanho , Gustavo Lucena G\'omez , Rakibur Rahman This is my paper
classification ✦ hep-th astro-ph.COgr-qc
keywords gravitymassiveadmitsadvancesbackgroundscausalityclassicalclosed
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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.

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