Smarr Formula for Lovelock Black Holes: a Lagrangian approach
arXiv:1511.05446 · doi:10.1103/PhysRevD.93.084044
Abstract
We argue that the Smarr Formula for black holes can be expressed in terms of a Noether charge surface integral plus a suitable volume integral, for any gravitational theory. The integrals can be constructed as an application of Wald's formalism. We apply this formalism to compute the mass and the Smarr Formula for static Lovelock black holes. Finally, we propose a new prescription for Wald's entropy in the case of Lovelock black holes, which takes into account topological contributions to the entropy functional.
7 pages; v2: Section IV modified, Appendix added
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