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arxiv: 1201.0273 · v1 · pith:UJAAYW2Enew · submitted 2011-12-31 · ⚛️ physics.gen-ph

Revised spherically symmetric solutions of R+varepsilon/R gravity

classification ⚛️ physics.gen-ph
keywords gravitysolutionsmetricschwarzschildsphericallysymmetricvarepsilonacceleration
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We study spherically symmetric static empty space solutions in $R+\varepsilon/R$ model of $f(R)$ gravity. We show that the Schwarzschild metric is an exact solution of the resulted field equations and consequently there are general solutions which {are perturbed Schwarzschild metric and viable for solar system. Our results for large scale contains a logarithmic term with a coefficient producing a repulsive gravity force which is in agreement with the positive acceleration of the universe.

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