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Open AccessArticle

The Information Recovery Problem

Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia
Department of Mathematics & Statistics, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
Author to whom correspondence should be addressed.
Academic Editors: Jay Lawrence and Kevin H. Knuth
Entropy 2017, 19(1), 17;
Received: 19 September 2016 / Revised: 6 December 2016 / Accepted: 27 December 2016 / Published: 30 December 2016
(This article belongs to the Special Issue Quantum Information 2016)
The issue of unitary evolution during creation and evaporation of a black hole remains controversial. We argue that some prominent cures are more troubling than the disease, demonstrate that their central element—forming of the event horizon before the evaporation begins—is not necessarily true, and describe a fully coupled matter-gravity system which is manifestly unitary. View Full-Text
Keywords: black holes; information loss; unitary evolution black holes; information loss; unitary evolution
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Baccetti, V.; Husain, V.; Terno, D.R. The Information Recovery Problem. Entropy 2017, 19, 17.

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