Near horizon symmetry and entropy of black holes in $f(R)$ gravity and conformal gravity
arXiv:1509.00152 · doi:10.1007/s10714-015-1957-6
Abstract
We generalize the Noether current method proposed by Majhi and Padmanabhan recently to $f(R)$ gravity and conformal gravity and analyze the near horizon symmetry of black holes in these models. It is shown that the entropy obtained with Cardy's formula agrees with Wald entropy.
9 pages, to appear in General Relativity and Gravitation