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Entangled states cannot be classically simulated in generalized Bell experiments with quantum inputs

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Published in New Journal of Physics. 2013, vol. 15, no. 5, p. 053025
Abstract Simulation tasks are insightful tools to compare information-theoretic resources. Considering a generalization of usual Bell scenarios where external quantum inputs are provided to the parties, we show that any entangled quantum state exhibits correlations that cannot be simulated using only shared randomness and classical communication, even when the amount and rounds of classical communication involved are unrestricted. We indeed construct explicit Bell-like inequalities that are necessarily satisfied by such classical resources but nevertheless violated by correlations obtainable from entangled quantum states, when measured a single copy at a time
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ROSSET, Denis et al. Entangled states cannot be classically simulated in generalized Bell experiments with quantum inputs. In: New Journal of Physics, 2013, vol. 15, n° 5, p. 053025. https://archive-ouverte.unige.ch/unige:36524

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Deposited on : 2014-05-12

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