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Quantum Nonlocality of N-qubit W states

Chunfeng Wu·Jing-Ling Chen·L. C. Kwek·C. H. Oh
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Abstract

An experimental setup for testing quantum nonlocality of N qubits is proposed. This method is a generalization of the optical setup proposed by Banaszek and Wodkiewicz [1]. The quantum nonlocality of N qubits can be obtained through its violation of N-qubit Bell inequalities. The correlation function measured in the experiment is described by the Wigner function. The effect of inefficient detector is also considered.

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Chunfeng Wu, Jing-Ling Chen, L. C. Kwek, C. H. Oh. 2005-11-02. Quantum Nonlocality of N-qubit W states. https://doi.org/10.1103/physreva.73.012310

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