Cosmic Censorship and Weak Gravity Conjecture in the Einstein-Maxwell-dilaton theory

Abstract

We explore the cosmic censorship in the Einstein-Maxwell-dilaton theory following Wald's thought experiment to destroy a black hole by throwing in a test particle. We discover that at probe limit the extremal charged dilaton black hole could be destroyed by a test particle with specific energy. Nevertheless the censorship is well protected if backreaction or self-force is included. At the end, we discuss an interesting connection between Hoop Conjecture and Weak Gravity Conjecture.

15 pages, 4 figures, version submitted to PLB, Phys. Lett. B (2018)

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• Overcharging higher-dimensional black holes with point particles
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• A proof of the weak gravity conjecture

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