Planckian Physics Comes Into Play At Planckian Distance From Horizon

Abstract

In the background of a gravitational collapse, we compute the transition amplitudes for the creation of particles for distant observers due to higher-derivative interactions in addition to Hawking radiation. The amplitudes grow exponentially with time and become of order 1 when the collapsing matter is about a Planck length outside the horizon. As a result, the effective theory breaks down at the scrambling time, invalidating its prediction of Hawking radiation. Planckian physics comes into play to decide the fate of black-hole evaporation.

arXiv comment24 pages, no figure, reference added, minor modification

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Cited by in corpus (8)

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• Scale-invariance at the core of quantum black holes
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• A Stringy Effect on Hawking Radiation
• Black holes and their horizons in semiclassical and modified theories of gravity
• UV Effects and Short-Lived Hawking Radiation: Alternative Resolution of Information Paradox
• Towards Hamiltonian Formalism for String Field Theory and Nonlocality