k-Mouflage gravity

Details k-Mouflage gravity k-Mouflage gravity

2009-05-18

arxiv.org/abs/0905.2943v1

Int.J.Mod.Phys.D18:2147-2154,2009

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 1 figure. Essay written for the Gravity Research Foundation 2009 Awards for Essays on Gravitation, awarded a honorabl

Scientific paper

10.1142/S0218271809016107

We introduce a large class of scalar-tensor theories where gravity becomes stronger at large distances via the exchange of a scalar that mixes with the graviton. At small distances, i.e. large curvature, the scalar is screened via an analog of the Vainshtein mechanism of massive gravity. The crossover distance between the two regimes can be made cosmological by an appropriate choice of the parameters.

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