Quantum Black Holes
B. Birnir, S.B. Giddings, J.A. Harvey, and A. Strominger
TL;DR
This paper analyzes static solutions in 1+1 dimensional quantum dilaton gravity, revealing unusual behaviors such as zero coupling at horizons and new candidate vacua, expanding understanding of quantum black hole states.
Contribution
It introduces novel zero mass solutions and describes their properties, including the bounce behavior and candidate quantum vacua, advancing the study of quantum black holes.
Findings
Infinite-mass solutions describe equilibrium black holes with Hawking radiation.
Finite mass solutions approach zero coupling at horizons and infinity.
New zero mass solutions suggest candidate quantum vacua.
Abstract
Static solutions of large- quantum dilaton gravity in dimensions are analyzed and found to exhibit some unusual behavior. As expected from previous work, infinite-mass solutions are found describing a black hole in equilibrium with a bath of Hawking radiation. Surprisingly, the finite mass solutions are found to approach zero coupling both at the horizon and spatial infinity, with a ``bounce'' off of strong coupling in between. Several new zero mass solutions -- candidate quantum vacua -- are also described.
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