Quantum hair, instantons, and black hole thermodynamics

Some new results

Lawrence Krauss, Hong Liu

Research output: Contribution to journalArticle

Abstract

We present results obtained by a consideration of the non-classical energy-momentum tensor associated with Euclidean instantons outside the event horizon of black holes. We demonstrate here how this allows for an analytic estimate to be made of the effect of discrete quantum hair on the temperature of the black hole, in which the role of violations of the weak energy condition associated with instantons is made explicit, and in which the previous results of Coleman, Preskill, and Wilczek are extended. Last, we demonstrate how the existence of a non-classical electric field outside the event horizon of black holes, uncovered by these authors, can be identified with a well-known effect in the Abelian Higgs model in two dimensions. In this case, there is a one-to-one connection between the discrete charge of a black hole and a topological phase in two dimensions.

Original languageEnglish (US)
Pages (from-to)365-386
Number of pages22
JournalNuclear Physics B
Volume491
Issue number1-2
StatePublished - Apr 28 1997
Externally publishedYes

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hair
instantons
thermodynamics
event horizon
kinetic energy
tensors
electric fields
estimates
temperature
energy

Keywords

  • Black hole thermodynamics
  • Instanton
  • Quantum hair

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Quantum hair, instantons, and black hole thermodynamics : Some new results. / Krauss, Lawrence; Liu, Hong.

In: Nuclear Physics B, Vol. 491, No. 1-2, 28.04.1997, p. 365-386.

Research output: Contribution to journalArticle

Krauss, L & Liu, H 1997, 'Quantum hair, instantons, and black hole thermodynamics: Some new results', Nuclear Physics B, vol. 491, no. 1-2, pp. 365-386.
Krauss, Lawrence ; Liu, Hong. / Quantum hair, instantons, and black hole thermodynamics : Some new results. In: Nuclear Physics B. 1997 ; Vol. 491, No. 1-2. pp. 365-386.
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