Spherically symmetric solutions in modified Horava-Lifshitz gravity

Details Spherically symmetric solutions in modified Horava-Lifshitz gravity Spherically symmetric solutions in modified Horava-Lifshitz gravity

2009-11-16

arxiv.org/abs/0911.3164v3

Phys.Rev.D81:044009,2010

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 13 figures. (v2) The case with non-zero cosmological constant is adressed and asymptotic solutions are found in this ca

Scientific paper

10.1103/PhysRevD.81.044009

We find spherically symmetric solutions in the modified Ho\v{r}ava-Lifshitz gravity proposed recently by Blas, Pujolas and Sibiryakov. The non-linear equations of the two derivative action turn out to be similar to those stemming from the four-derivative action explored recently. We analyze the solutions and derive constraints on the relevant new coupling constant. We also analyze the case where the cosmological constant is non-zero. We derive the large distance expansion of solutions and show that the power of the standard Newton's law is modified in the presence of a cosmological constant.

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