paper

Static Spherically Symmetric Solutions in F(R) Gravity

arXiv:1012.5230 · doi:10.1140/epjc/s10052-011-1591-8

Abstract

A Lagrangian derivation of the Equation of Motion (EOM) for static spherically symmetric metrics in F(R) modified gravity is presented. For a large class of metrics, our approach permits to reduce the EOM to a single equation and we show how it is possible to construct exact solutions in -gravity. All known exact solutions are recovered. We also exibit a new non trivial solution with non constant Ricci scalar.

8 pages, published version, some references added, a minor modification

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