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          Institute: MPI für Gravitationsphysik     Collection: Geometric Analysis and Gravitation     Display Documents



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ID: 429246.0, MPI für Gravitationsphysik / Geometric Analysis and Gravitation
The inner Cauchy horizon of axisymmetric and stationary black holes with surrounding matter in Einstein-Maxwell theory
Authors:Ansorg, Marcus; Hennig, Jörg
Date of Publication (YYYY-MM-DD):2009
Title of Journal:Physical Review Letters
Volume:102
Sequence Number of Article:221102
Review Status:not specified
Audience:Not Specified
Abstract / Description:We study the interior electrovacuum region of axisymmetric and stationary black holes with surrounding matter and find that there exists always a regular inner Cauchy horizon inside the black hole, provided the angular momentum J and charge Q of the black hole do not vanish simultaneously. In particular, we derive an explicit relation for the metric on the Cauchy horizon in terms of that on the event horizon. Moreover, our analysis reveals the remarkable universal relation (8\pi J)2+(4\pi Q2)2=A+ A-, where A+ and A- denote the areas of event and Cauchy horizon respectively.
External Publication Status:published
Document Type:Article
Communicated by:Gerhard Huisken
Affiliations:MPI für Gravitationsphysik/Geometric Analysis and Gravitation
Identifiers:LOCALID:arXiv:0903.5405
URL:http://arxiv.org/abs/0903.5405
DOI:10.1103/PhysRevLett.102.221102
URL:http://link.aps.org/doi/10.1103/PhysRevLett.102.22...
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PhysRevLett102_221102.pdf  [127,00 Kb] [Comment:Online Journal]  
 
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