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Bosonic bunching reveals strong contextual behaviour

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arxiv 1211.6907 v1 pith:NPBRUA63 submitted 2012-11-29 quant-ph

Bosonic bunching reveals strong contextual behaviour

classification quant-ph
keywords bosonicbunchingeventsexclusivebehaviourcasecomeasurablecontextual
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We show that violation of Klyachko-Can-Binicioglu-Shumovsky [Phys. Rev. Lett. {\bf 101}, 020403 (2008)] pentagram-like inequality can exceed $\sqrt{5}$ provided that exclusive events do not have to be comeasurable and that one uses bosonic systems which exhibit bunching effects. We also show that in this case one can find three pairwise exclusive events whose sum of probabilities is 3/2.

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