Phys. Rev. Lett. 85, 3564–3567 (2000)Generic Isolated Horizons and Their ApplicationsReceived 5 June 2000; published in the issue dated 23 October 2000 The notion of isolated horizons is extended to allow for distortion and rotation. Space-times containing a black hole, itself in equilibrium but possibly surrounded by radiation, satisfy these conditions. The framework has three types of applications: (i) it provides new tools to extract physics from strong field geometry; (ii) it leads to a generalization of the zeroth and first laws of black hole mechanics and sheds new light on the “origin” of the first law; and (iii) it serves as a point of departure for black hole entropy calculations in nonperturbative quantum gravity. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.3564
DOI:
10.1103/PhysRevLett.85.3564
PACS:
04.70.Dy, 04.25.Dm, 04.60.-m
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