Polycritical Gravities

Details Polycritical Gravities Polycritical Gravities

2012-03-23

arxiv.org/abs/1203.5338v1

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 1 figure

Scientific paper

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.

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