Geometric aspects of extremal Kerr black hole entropy

Research output: Contribution to journalArticle

Abstract

Extreme Black Holes is an important theoretical laboratory for exploring the nature of entropy. We suggest that this unusual nature of the extremal limit could explain the entropy of extremal Kerr black holes. The time-independence of the extremal black hole, the zero surface gravity, the zero entropy and the absence of a bifurcate Killing horizon are all related properties that define and reduce to one single unique feature of the extremal Kerr spacetime. We suggest the presence of a true geometric discontinuity as the underlying cause of a vanishing entropy.
Original languageEnglish
Pages (from-to)357-363
Number of pages7
JournalJournal of Modern Physics
Volume4
Issue number3
DOIs
Publication statusPublished - Mar 2013

Keywords

  • Bifurcate Killing Horizon
  • Extremal Kerr Black Hole
  • Black Hole Entropy

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