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Coincidence Bell Inequality for Three Three-Dimensional Systems

Published inPhysical review letters, vol. 92, no. 25
Publication date2004
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.

Citation (ISO format)
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
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ISSN of the journal0031-9007
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