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Title: Three-party entanglement from positronium
Author: Acín dal Maschio, Antonio
Latorre, José Ignacio
Pascual, Pedro, 1934-2006
Keywords: Teoria quàntica
Teoria de la informació
Electrodinàmica quàntica
Quantum theory
Information theory
Quantum electrodynamics
Issue Date: 2001
Publisher: The American Physical Society
Abstract: The decay of orthopositronium into three photons produces a physical realization of a pure state with three-party entanglement. Its quantum correlations are analyzed using recent results on quantum information theory, looking for the final state that has the maximal amount of Greenberger, Horne, and Zeilinger like correlations. This state allows for a statistical dismissal of local realism stronger than the one obtained using any entangled state of two spin one-half particles.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review A, 2001, vol. 63, núm. 4, p. 042107.
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ISSN: 1050-2947
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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