Reverse Hawking-Page Phase Transition in de Sitter Black Holes
Saoussen Mbarek, Robert B. Mann
TL;DR
This paper investigates the thermodynamics of de Sitter black holes with scalar hair, revealing a reverse Hawking-Page phase transition in the grand-canonical ensemble, expanding understanding of black hole phase behavior.
Contribution
It introduces a new thermodynamic phase transition for de Sitter black holes with scalar hair, highlighting the role of the hair parameter in equilibrium conditions.
Findings
Reverse Hawking-Page phase transition identified in grand-canonical ensemble.
Scalar hair parameter enables thermodynamic equilibrium between horizons.
New phase transition expands black hole thermodynamics understanding.
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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