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Static Spherically Symmetric Solutions in F(R) Gravity

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 $F(R)$-gravity. All known exact solutions are recovered. We also exibit a new non trivial solution with non constant Ricci scalar.

preprint2011arXivOpen access
Lorenzo SebastianiSergio Zerbini
gr-qchep-lathep-th
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Lorenzo SebastianiSergio Zerbini

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