Test of nonlocality for a continuous-variable state based on an arbitrary number of measurement outcomes |
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Authors: | Son W Brukner C Kim M S |
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Institution: | School of Mathematics and Physics, The Queen's University, Belfast BT7 1NN, United Kingdom. |
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Abstract: | We propose a scheme to test Bell's inequalities for an arbitrary number of measurement outcomes on entangled continuous-variable (CV) states. The Bell correlation functions are expressible in terms of phase-space quasiprobability functions with complex ordering parameters, which can experimentally be determined via a local CV-qubit interaction. We demonstrate that CV systems can give higher violations of these Bell's inequalities than of the ones developed for two-outcome observables. |
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