engleski

Higher curvature Lagrangians, conformal symmetry and microscopic entropy of Killing horizons

We impose a certain class of boundary conditions on Killing horizon and show for Lagrangians with arbitrary curvature dependence that one can identify a Virasoro algebra with nontrivial central charge and calculable Hamiltonian eigenvalue. Entropy can then be calculated from Cardy formula.

higher order gravity; black holes; entropy; asymptotic symmetries

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