Deformations of GR and BH thermodynamicsTools Krasnov, Kirill (2016) Deformations of GR and BH thermodynamics. Classical and Quantum Gravity, 33 (15). 155012/1-155012/17. ISSN 1361-6382 Full text not available from this repository.
Official URL: https://doi.org/10.1088/0264-9381/33/15/155012
AbstractIn four space–time dimensions General Relativity can be non-trivially deformed. Deformed theories continue to describe two propagating degrees of freedom, as GR. We study Euclidean black hole thermodynamics of these deformations. We use the recently developed formulation that works with connections as well as certain matrices M of auxiliary fields. We show that the black hole entropy is given by one quarter of the horizon area as measured by the Lie algebra valued two-form MF, where F is the connection curvature. This coincides with the horizon area as measured by the metric only for the case of General Relativity.
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