The weak gravity conjecture requires the existence of exotic AdS black holes
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Abstract
The Weak Gravity Conjecture arises from the requirement that it be possible for all (classically stable) extremal black holes to decay. The “black hole version” of the conjecture requires that it should be possible for this to occur through the emission of smaller black holes. We consider this version in the case of extremal AdS4-Kerr-Newman black holes which are stable against a superradiant instability. One finds that the emitted black hole must be rather exotic, having an “angular horizon” analogous to the more familiar (radial) horizon. © 2021
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Source Title
Nuclear Physics B
Publisher
Elsevier B.V.
Series/Report No.
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Rights
Attribution 4.0 International
Date
2021-10-01
DOI
10.1016/j.nuclphysb.2021.115525
Type
Article