Violation of generalized Bell inequality and its optimal measurement settings
Dong Ding,
Yingqiu He,
Fengli Yan
et al.
Abstract:We provide a method to describe quantum nonlocality for n-qubit systems. By treating the correlation function as an n-index tensor, we derive a generalized Bell inequality. Taking generalized Greenberger-Horne-Zeilinger (GHZ) state for example, we calculate quantum prediction under a series of measurement settings involving various angle parameters. We reveal the exact relationship between quantum prediction and the angle parameters. We show that there exists a set of optimal measurement settings and find the … Show more
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