Extremal Kerr–Newman black holes with extremely short charged scalar hair
The recently proved ‘no short hair’ theorem asserts that, if a spherically-symmetric static black hole has hair, then this hair (the external fields) must extend beyond the null circular geodesic (the “photonsphere”) of the corresponding black-hole spacetime: rfield>rnull. In this paper we provid...
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| Format: | Article |
| Language: | English |
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Elsevier
2015-12-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269315007984 |