Some spacetimes containing non-rotating extremal isolated horizons
arXiv:1210.6889 · doi:10.1088/0264-9381/30/14/145008
Abstract
Well-known results demonstrate the uniqueness of extremal isolated horizons (equivalently near-horizon spacetimes) in (3+1)-dimensions. This paper briefly reviews some of these results and then explicitly constructs families of non-asymptotically flat, non-spherically symmetric spacetimes that nevertheless contain spherically symmetric extremal horizons that are isomorphic to those found in Reissner-Nordstrom spacetimes.
15 pages, 1 figure. V2: significant revision with compression and (hopefully) clarification of presentation, one appendix removed. Ultimate results are unchanged
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- Marginally Trapped Surfaces in Spherical Gravitational Collapse
- Gravitational Collapse in the EGB Gravity
- Myers-Perry Black Hole in an External Gravitational Field
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