Isolated horizons: a generalization of black hole mechanics

Ashtekar, Abhay, Beetle, Christopher and Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961 1999. Isolated horizons: a generalization of black hole mechanics. Classical and Quantum Gravity 16 (2) , L1-L7. 10.1088/0264-9381/16/2/027

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Abstract

A set of boundary conditions defining a non-rotating isolated horizon are given in Einstein-Maxwell theory. A spacetime representing a black hole which itself is in equilibrium but whose exterior contains radiation admits such a horizon. Physically motivated, (quasi-)local definitions of the mass and surface gravity of an isolated horizon are introduced. Although these definitions do not refer to infinity, the quantities assume their standard values in Reissner-Nordström solutions. Finally, using these definitions, the zeroth and first laws of black hole mechanics are established for isolated horizons.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	Institute of Physics
ISSN:	0264-9381
Last Modified:	21 Oct 2022 09:22
URI:	https://orca.cardiff.ac.uk/id/eprint/36128

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