paper

Multicritical Phase Transitions in Lovelock AdS Black Holes

arXiv:2212.08087 · doi:10.1103/PhysRevD.107.084035

Abstract

We demonstrate that black holes in order Lovelock gravity can exhibit multicritical phase behaviour. We show an explicit example of a quadruple point in fourth-order Lovelock gravity and a quintuple point in sixth-order Lovelock gravity. We also demonstrate that multi-criticality can be realized for uncharged, non-rotating black holes by highlighting a new type of multi-critical point between black holes and thermal radiation. We discuss the methodology used and make comparisons to other black hole multi-critical points in terms of the Gibbs phase rule.

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