Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2011-05-19
Class.Quant.Grav.28:225010,2011
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
8 pages, 1 figure, to appear in CQG
Scientific paper
10.1088/0264-9381/28/22/225010
By means of a simple scaling transformation any asymptotically flat Papapetrou-Majumdar solution of the Einstein-Maxwell equations corresponding to a localized regular distribution of electrically counterpoised dust can be reformulated as a one-parameter family of solutions admitting a black hole limit. In the limit, a characteristic separation of spacetimes occurs: From the exterior point of view, the extreme Reissner-Nordstrom metric outside the event horizon is formed. From the interior point of view, a regular, non-asymptotically flat (and in general non-spherically symmetric) spacetime with the extreme Reissner-Nordstrom near-horizon geometry at spatial infinity results.
Hütten Moritz
Meinel Reinhard
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