Higher-derivative corrections to the asymptotic Virasoro symmetry of 4d extremal black holes

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  • Higher derivative corrections to the asymptotic Virasoro symmetry of 4d extremal black holes

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We study the asymptotic Virasoro symmetry which acts on the near-horizon region of extremal four-dimensional black hole solutions of gravity theories with higher-derivative corrections, following the recently proposed Kerr/CFT correspondence. We demonstrate that its central charge correctly reproduces the entropy formula of Iyer-Wald, once the boundary terms in the symplectic structure are carefully chosen.

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