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Solar System tests disfavor f(R) gravities

Xing-hua Jin, Dao-jun Liu, Xin-zhou Li

astro-pharXiv:astro-ph/0610854

Abstract

Using the elegant method employed recently by Erickcek, Smith and Kamionkowski, on the premise that the space-time of Solar System is described by a metric with constant-curvature background added by a static perturbation, we show that many f(R) gravities are ruled out by Solar System tests.

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