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Coincidence Bell Inequality for Three Three-Dimensional Systems

Chen, J. L.
Kaszlikowski, D.
Kwek, L.
Oh, C. H.
Żukowski, M.
Published in Physical Review Letters. 2004, vol. 92, no. 25
Abstract We construct a Bell inequality for coincidence probabilities on a three three-dimensional (qutrit) system. We show that this inequality is violated when each observer measures two noncommuting observables, defined by the so-called unbiased six-port beam splitter, on a maximally entangled state of two qutrits. The strength of the violation agrees with the numerical results presented by Kaszlikowski et al, quant-ph/0202019. It is proven that the inequality defines facets of the polytope of local variable models.
PMID: 15244989
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ACIN, Antonio et al. Coincidence Bell Inequality for Three Three-Dimensional Systems. In: Physical Review Letters, 2004, vol. 92, n° 25. doi: 10.1103/PhysRevLett.92.250404 https://archive-ouverte.unige.ch/unige:36734

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Deposited on : 2014-05-20

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