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arxiv: 0705.1769 · v1 · submitted 2007-05-12 · ✦ hep-th · gr-qc

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Ultraviolet properties of f(R)-Gravity

Alessandro Codello , Roberto Percacci , Christoph Rahmede
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classification ✦ hep-th gr-qc
keywords gravityfixedpointpropertiesbringsclassdirectionsdiscuss
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We discuss the existence and properties of a nontrivial fixed point in f(R)-gravity, where f is a polynomial of order up to six. Within this seven-parameter class of theories, the fixed point has three ultraviolet-attractive and four ultraviolet-repulsive directions; this brings further support to the hypothesis that gravity is nonperturbatively renormalizabile.

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