Correlation loss and multipartite entanglement across a black hole horizon

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dc.creatorAdesso, Gerardo
dc.creatorFuentes-Schuller, Ivette
dc.date2007-01-31
dc.date2009-05-26
dc.date.accessioned2026-07-07T13:17:58Z
dc.date.available2026-07-07T13:17:58Z
dc.descriptionWe investigate the Hawking effect on entangled fields. By considering a scalar field which is in a two-mode squeezed state from the point of view of freely falling (Kruskal) observers crossing the horizon of a Schwarzschild black hole, we study the degradation of quantum and classical correlations in the state from the perspective of Schwarzschild observers confined outside the horizon. Due to monogamy constraints on the entanglement distribution, we show that the lost bipartite entanglement is recovered as multipartite entanglement among modes inside and outside the horizon. In the limit of a small-mass black hole, no bipartite entanglement is detected outside the horizon, while the genuine multipartite entanglement interlinking the inner and outer regions grows infinitely.
dc.description9 pages, 3 figures. Published version
dc.identifierhttps://arxiv.org/abs/quant-ph/0702001
dc.identifierhttp://arxiv.org/abs/quant-ph/0702001
dc.identifierQuant. Inf. Comput. 9, 0657-0665 (2009)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/231289
dc.subjectQuantum Physics
dc.subjectAstrophysics
dc.subjectStatistical Mechanics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.titleCorrelation loss and multipartite entanglement across a black hole horizon
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