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Colloquium: Entanglement and Black Holes

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Eugenio Bianchi, Pennsylvania State University
23 April 2015 from 4:00 PM to 5:00 PM
117 Osmond Laboratory
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Eugenio Bianchi
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Entanglement is a hallmark of complex quantum systems and plays a crucial role in the description of thermal properties of black holes. I will present recent results that allow us to compute the entanglement entropy of Hawking radiation beyond the equilibrium regime. The analysis sheds new light on the regime where quantum gravity effects produce an instability of the trapping horizon. In this scenario we find unexpected features of the `purifying' radiation and put new bounds on the time needed for the recovery of information that fell into a black hole.