Self-force as a cosmic censor

Abstract

We examine Hubeny's scenario according to which a near-extremal Reissner-Nordström black hole can absorb a particle and be driven toward an over-extremal state in which the charge exceeds the mass, signaling the destruction of the black hole. Our analysis incorporates the particle's electromagnetic self-force and the energy radiated to infinity in the form of electromagnetic waves. With these essential ingredients, our sampling of the parameter space reveals no instances of an overcharged final state, and we conjecture that the self-force acts as a cosmic censor, preventing the destruction of a near-extremal black hole by the absorption of a charged particle. We argue, on the basis of the third law of black-hole mechanics, that this conclusion is robust and should apply to attempts to overspin a Kerr black hole.

6 pages, 1 figure, to appear in Physical Review D

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Cited by in corpus (64)

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• Kerr-Newman black holes can be generically overspun
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• Destroying the event horizon of a nonsingular rotating quantum-corrected black hole
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• On overspinning of black holes in higher dimensions
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• Accelerated motion and the self-force in Schwarzschild spacetime
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• Inspirals into a charged black hole
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• Scalar self-force for eccentric orbits around a Schwarzschild black hole
• Minimal Length Effect on Thermodynamics and Weak Cosmic Censorship Conjecture in anti-de Sitter Black Holes via Charged Particle Absorption
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• The topological RN-AdS black holes cannot be overcharged by the new version of gedanken experiment
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• Challenging the cosmic censorship in Einstein-Maxwell-scalar theory with numerically simulated gedankenexperiments