Better late than never: information retrieval from black holes.
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It is shown that, in order to preserve the equivalence principle until late times in unitarily evaporating black holes, the thermodynamic entropy of a black hole must be primarily entropy of entanglement across the event horizon.Abstract:
We show that, in order to preserve the equivalence principle until late times in unitarily evaporating black holes, the thermodynamic entropy of a black hole must be primarily entropy of entanglement across the event horizon. For such black holes, we show that the information entering a black hole becomes encoded in correlations within a tripartite quantum state, the quantum analogue of a one-time pad, and is only decoded into the outgoing radiation very late in the evaporation. This behavior generically describes the unitary evaporation of highly entangled black holes and requires no specially designed evolution. Our work suggests the existence of a matter-field sum rule for any fundamental theory.read more
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Black holes and the butterfly effect
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Black Holes: Complementarity or Firewalls?
TL;DR: In this article, the authors argue that the following three statements cannot all be true: (i) Hawking radiation is in a pure state, (ii) the information carried by the radiation is emitted from the region near the horizon, with low energy effective field theory valid beyond some microscopic distance from the horizon.
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Testing general relativity with present and future astrophysical observations
Emanuele Berti,Emanuele Berti,Enrico Barausse,Vitor Cardoso,Vitor Cardoso,Leonardo Gualtieri,Paolo Pani,Paolo Pani,Ulrich Sperhake,Ulrich Sperhake,Ulrich Sperhake,Leo C. Stein,Leo C. Stein,Norbert Wex,Kent Yagi,Kent Yagi,Tessa Baker,C.P. Burgess,C.P. Burgess,Flávio S. Coelho,Daniela D. Doneva,Antonio De Felice,Pedro G. Ferreira,Paulo C. C. Freire,James Healy,Carlos A. R. Herdeiro,Michael Horbatsch,Burkhard Kleihaus,Antoine Klein,Kostas D. Kokkotas,Jutta Kunz,Pablo Laguna,Ryan N. Lang,Ryan N. Lang,Ryan N. Lang,Tjonnie G. F. Li,Tjonnie G. F. Li,Tyson Littenberg,Andrew Matas,S. Mirshekari,Hirotada Okawa,Eugen Radu,Richard O'Shaughnessy,Richard O'Shaughnessy,Bangalore Suryanarayana Sathyaprakash,Chris Van Den Broeck,Hans A. Winther,Helvi Witek,Mir Emad Aghili,Justin Alsing,Brett Bolen,Luca Bombelli,Sarah Caudill,Liang Chen,Juan Carlos Degollado,Ryuichi Fujita,Caixia Gao,Davide Gerosa,Saeed Kamali,Hector O. Silva,João G. Rosa,Laleh Sadeghian,Marco O. P. Sampaio,Hajime Sotani,Miguel Zilhão +64 more
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Computational Complexity and Black Hole Horizons
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References
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Book
Asymptotic theory of finite dimensional normed spaces
Vitali Milman,Gideon Schechtman +1 more
TL;DR: The concentration of measure phenomenons in the theory of Normed spaces was discussed in this paper, where the Rademacher projection was applied to the case of finite Dimensional Normed Spaces.
Journal Article
The collection talks
TL;DR: New Plymouth is a small city on the west coast of the North Island of New Zealand as discussed by the authors, which was settled in 1841 by emigrants from the south-west of England.