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Problems of Massive Gravities

Deser, S. and Izumi, K. and Ong, Y. C. and Waldron, A. (2015) Problems of Massive Gravities. Modern Physics Letters A, 30 (3-4). Art. No. 1540006. ISSN 0217-7323. doi:10.1142/S0217732315400064.

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The method of characteristics is a key tool for studying consistency of equations of motion; it allows issues such as predictability, maximal propagation speed, superluminality, unitarity and acausality to be addressed without requiring explicit solutions. We review this method and its application to massive gravity (mGR) theories to show the limitations of these models' physical viability: Among their problems are loss of unique evolution, superluminal signals, matter coupling inconsistencies and micro-acausality (propagation of signals around local closed time-like curves (CTCs)/closed causal curves (CCCs)). We extend previous no-go results to the entire three-parameter range of mGR theories. It is also argued that bimetric models suffer a similar fate.

Item Type:Article
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Deser, S.0000-0001-9285-9434
Additional Information:© 2015 World Scientific Publishing Company. Received 8 October 2014; Accepted 10 November 2014; Published 20 January 2015. K.I. is supported by Taiwan National Science Council under Project No. NSC101-2811-M-002-103. A.W. thanks the Indian Institute of Science Bangalore, and the Harish-Chandra Institute, Allahabad for hospitality. S.D. was supported in part by NSF and DOE grants PHY-1266107 and #DE-SC0011632, respectively.
Group:Walter Burke Institute for Theoretical Physics
Funding AgencyGrant Number
National Science Council (Taipei)NSC101-2811-M-002-103
Department of Energy (DOE)DE-SC0011632
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Issue or Number:3-4
Record Number:CaltechAUTHORS:20141216-205429646
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Official Citation:Problems of massive gravities S. Deser, K. Izumi, Y. C. Ong, and A. Waldron Modern Physics Letters A 2015 30:03n04
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:52924
Deposited By: Joy Painter
Deposited On:17 Dec 2014 17:17
Last Modified:10 Nov 2021 19:45

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