Isolated critical point from Lovelock gravity

Brian P. Dolan, Anna Kostouki, David Kubizňák, Robert B. Mann

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

For any K (= 2k + 1)th order Lovelock gravity with fine-tuned Lovelock couplings, we demonstrate the existence of a special isolated critical point characterized by non-standard critical exponents in the phase diagram of hyperbolic vacuum black holes. In the Gibbs free energy, this corresponds to a place wherefrom two swallowtails emerge, giving rise to two first-order phase transitions between small and large black holes. We believe that this is a first example of a critical point with non-standard critical exponents obtained in a geometric theory of gravity.

Original languageEnglish
Article number242001
JournalClassical and Quantum Gravity
Volume31
Issue number24
DOIs
Publication statusPublished - 21 Dec 2014

Keywords

  • black hole thermodynamics
  • critical phenomena
  • phase transitions

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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