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Scattering of waves on collapsing charged black holes

Published on:

6 September 2023

Primary Category:

General Relativity and Quantum Cosmology

Paper Authors:

Frederick Alford

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Key Details

Proves boundedness of the scattering map forwards in time for all collapsing charged black hole models

Shows the backwards scattering map is unbounded, even in the extremal case

Defines the class of Reissner-Nordström Oppenheimer-Snyder models of collapsing charged matter

Analyzes the wave equation and energy currents on these dynamical spacetimes

Relates properties to Hawking radiation, studied further in a companion paper

AI generated summary

Scattering of waves on collapsing charged black holes

This paper studies the scattering of scalar waves on a class of collapsing charged matter clouds that form Reissner-Nordström black holes. It proves boundedness of the scattering map forwards in time but not backwards, even in the extremal case, contrasting with pure Reissner-Nordström spacetimes.

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