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Open AccessArticle

Non-Monogamy of Spatio-Temporal Correlations and the Black Hole Information Loss Paradox

1
Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, UK
2
Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore 117543, Singapore
3
Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542, Singapore
4
Dipartimento di Fisica, Università di Torino, via P. Giuria 1, 10125 Torino, Italy
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Istituto Nazionale di Ricerca Metrologica, Strada delle Cacce 91, 10135 Torino, Italy
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Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
7
INFN, sezione di Torino, via P. Giuria 1, 10125 Torino, Italy
*
Author to whom correspondence should be addressed.
Entropy 2020, 22(2), 228; https://doi.org/10.3390/e22020228
Received: 10 January 2020 / Revised: 16 February 2020 / Accepted: 17 February 2020 / Published: 18 February 2020
(This article belongs to the Special Issue Quantum Entanglement)
Pseudo-density matrices are a generalisation of quantum states and do not obey monogamy of quantum correlations. Could this be the solution to the paradox of information loss during the evaporation of a black hole? In this paper we discuss this possibility, providing a theoretical proposal to extend quantum theory with these pseudo-states to describe the statistics arising in black-hole evaporation. We also provide an experimental demonstration of this theoretical proposal, using a simulation in optical regime, that tomographically reproduces the correlations of the pseudo-density matrix describing this physical phenomenon. View Full-Text
Keywords: black hole information loss; entanglement monogamy; pseudo-density matrix black hole information loss; entanglement monogamy; pseudo-density matrix
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MDPI and ACS Style

Marletto, C.; Vedral, V.; Virzì, S.; Rebufello, E.; Avella, A.; Piacentini, F.; Gramegna, M.; Degiovanni, I.P.; Genovese, M. Non-Monogamy of Spatio-Temporal Correlations and the Black Hole Information Loss Paradox. Entropy 2020, 22, 228. https://doi.org/10.3390/e22020228

AMA Style

Marletto C, Vedral V, Virzì S, Rebufello E, Avella A, Piacentini F, Gramegna M, Degiovanni IP, Genovese M. Non-Monogamy of Spatio-Temporal Correlations and the Black Hole Information Loss Paradox. Entropy. 2020; 22(2):228. https://doi.org/10.3390/e22020228

Chicago/Turabian Style

Marletto, Chiara; Vedral, Vlatko; Virzì, Salvatore; Rebufello, Enrico; Avella, Alessio; Piacentini, Fabrizio; Gramegna, Marco; Degiovanni, Ivo P.; Genovese, Marco. 2020. "Non-Monogamy of Spatio-Temporal Correlations and the Black Hole Information Loss Paradox" Entropy 22, no. 2: 228. https://doi.org/10.3390/e22020228

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