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A universal inequality between the angular momentum and horizon area for axisymmetric and stationary black holes with surrounding matter

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Published 30 July 2008 • 2008 IOP Publishing Ltd
, , Citation Jörg Hennig et al 2008 Class. Quantum Grav. 25 162002 DOI 10.1088/0264-9381/25/16/162002

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1 Max Planck Institute for Gravitational Physics, Am Mühlenberg 1, D-14476 Golm, Germany

Dates

  1. Received 29 May 2008
  2. Published

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0264-9381/25/16/162002

Abstract

We prove that for sub-extremal axisymmetric and stationary black holes with arbitrary surrounding matter the inequality 8π|J| < A holds, where J is the angular momentum and A the horizon area of the black hole.

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10.1088/0264-9381/25/16/162002