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Roberto Casadio, Octavian Micu, Dejan Stojkovic. Inner Horizon of the Quantum Reissner-Nordström Black Holes. JHEP, 2015.

Abstract: We study the nature of the inner Cauchy horizon of a Reissner-Nordström black hole in a quantum context by means of the horizon wave-function obtained from modelling the electrically charged source as a Gaussian wave-function. Our main finding is that there are significant ranges for the black hole mass (around the Planck scale) and specific charge for which the probability of realising the inner horizon is negligible. This result suggests that any semiclassical instability one expects
near the inner horizon may not occur in quantum black holes.

Keywords: charged black holes, Reissner-Nordström metric, horizon wave function


Posted by Octavian Micu


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