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Published May 6, 2013 | Published
Journal Article Open

Nonlinear partially massless from massive gravity?

Abstract

We show that consistent nonlinear partially massless models cannot be obtained starting from "f-g" massive gravity, with "f" the embedding de Sitter space. The obstruction, which is also the source of f-g acausality, is the very same fifth constraint that removes the notorious sixth ghost excitation. Here, however, it blocks extension of the gauge invariance (appearing for mass to de Sitter cosmological constant tunings) that removed the helicity-zero mode at linear level. Separately, our methods allow us to almost complete the proof that all f-g models are acausal.

Additional Information

© 2013 American Physical Society. Received 24 January 2013; published 6 May 2013. We thank Nemanja Kaloper for discussions. S. D. was supported in part by NSF PHY-1064302 and DOE DE-FG02-164 92ER40701 grants.

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Published - PhysRevD.87.101501.pdf

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August 19, 2023
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