Thermodynamics of Exotic Black Holes in Lovelock Gravity

10 Feb 2021  ·  Brayden R. Hull, Robert B. Mann ·

We examine the thermodynamics of a new class of asymptotically AdS black holes with non-constant curvature event horizons in Gauss-Bonnet Lovelock gravity, with the cosmological constant acting as thermodynamic pressure. We find that non-trivial curvature on the horizon can significantly affect their thermodynamic behaviour... We observe novel triple points in 6 dimensions between large and small uncharged black holes and thermal AdS. For charged black holes we find a continuous set of triple points whose range depends on the parameters in the horizon geometry. We also find new generalizations of massless and negative mass solutions previously observed in Einstein gravity. read more

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General Relativity and Quantum Cosmology High Energy Physics - Theory