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Journal Article

Polycritical Gravities

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Nutma,  Teake
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1203.5338
(Preprint), 176KB

PRD85_124040.pdf
(Any fulltext), 170KB

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Citation

Nutma, T. (2012). Polycritical Gravities. Physical Review D, 85: 124040. doi:10.1103/PhysRevD.85.124040.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-82B5-F
Abstract
We present higher-derivative gravities that propagate an arbitrary number of gravitons of different mass on (A)dS backgrounds. These theories have multiple critical points, at which the masses degenerate and the graviton energies are non-negative. For six derivatives and higher there are critical points with positive energy.