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arxiv: 1307.6710 · v2 · pith:NCETUC5Nnew · submitted 2013-07-25 · 🪐 quant-ph

Fundamental monogamy relation between contextuality and nonlocality

classification 🪐 quant-ph
keywords fundamentalinequalitymonogamycontextualitycorrelationsnonlocalityrelationviolating
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We show that the no-disturbance principle imposes a tradeoff between locally contextual correlations violating the Klyachko-Can-Binicioglu-Shumovski inequality and spatially separated correlations violating the Clauser-Horne-Shimony-Holt inequality. The violation of one inequality forbids the violation of the other. We also obtain the corresponding monogamy relation imposed by quantum theory for a qutrit-qubit system. Our results show the existence of fundamental monogamy relations between contextuality and nonlocality that suggest that entanglement might be a particular form of a more fundamental resource.

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