Black holes in new massive conformal gravity
arXiv:1907.09676 · doi:10.1103/PhysRevD.100.064057
Abstract
We investigate the black holes in the new massive conformal gravity which is not invariant under conformal transformations because of the presence of the Einstein-Hilbert term. First, we show that the small Schwarzschild black hole is unstable against the -mode of linearized Ricci tensor by solving the Lichnerowicz-Ricci tensor equation. This instability induces the appearance of the non-BBMB (Bocharova-Bronnikov-Melnikov-Bekenstein) black hole that has both Ricci tensor and conformal scalar hair.
arXiv comment17 pages, 3 figures, title changed, version to appear in PRD
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