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Horizon avoidance in spherically-symmetric collapse (1703.09369v1)
Published 28 Mar 2017 in gr-qc, hep-th, and quant-ph
Abstract: We study collapse of evaporating spherically-symmetric thin dust shells and dust balls assuming that quantum effects are encapsulated in a spherically-symmetric metric that satisfied mild regularity conditions. The evaporation may accelerate collapse, but for a generic metric the Schwarzschild radius is not crossed. Instead the shell (or the layer in the ball of dust) is always at a certain sub-Planckian distance from it.
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