The First Law for Slowly Evolving Horizons

Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961 and Booth, I. 2004. The First Law for Slowly Evolving Horizons. Physical Review Letters (PRL) 92 (1) , 011102. 10.1103/PhysRevLett.92.011102

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Abstract

We study the mechanics of Hayward’s trapping horizons, taking isolated horizons as equilibrium states. Zeroth and second laws of dynamic horizon mechanics come from the isolated and trapping horizon formalisms, respectively. We derive a dynamical first law by introducing a new perturbative formulation for dynamic horizons in which “slowly evolving” trapping horizons may be viewed as perturbatively nonisolated.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	American Physical Society
ISSN:	0031-9007
Last Modified:	02 May 2023 17:17
URI:	https://orca.cardiff.ac.uk/id/eprint/1545

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