Journal of High Energy Physics (Feb 2019)
Reverse Hawking-Page phase transition in de Sitter black holes
Abstract
Abstract In the context of black hole chemistry, we study the thermodynamics of asymptotically de Sitter black holes with conformal scalar hair in Einstein gravity. The hair parameter allows us to attain thermodynamic equilibrium between the event horizon and the cosmological horizon. We find that the system of the black hole and the de Sitter space surrounding it undergo a “Reverse” Hawking-Page phase transition provided we consider the grand-canonical ensemble.
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