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arXiv 0705.1905quant-ph
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多部全向广义贝尔不等式

Multipartite omnidirectional generalized Bell inequality

Koji Nagata

摘要:

我们推导出一个多部广义贝尔不等式,其中涉及到整个范围内的设置为每个本地观察员。特别地,它被应用于显示Greenberger-Horne-Zeilinger关联的六量子比特混合物的非定域行为比以前的贝尔不等式更强。对于某些噪声混合的相关性,一个明确的本地现实模型存在的情况下,一个标准的贝尔实验。贝尔实验与许多本地设置揭示了非局域性的状态。事实证明,在特定的量子态下,新的不等式比许多其他的贝尔不等式更加严格。

英文摘要:

We derive a multipartite generalized Bell inequality which involves the entire range of settings for each of the local observers. Especially, it is applied to show non-local behavior of a six-qubit mixture of Greenberger-Horne-Zeilinger correlations stronger than previous Bell inequalities. For certain noise admixture to the correlations an explicit local realistic model exists in the case of a standard Bell experiment. Bell experiments with many local settings reveal the non-locality of the state. It turns out that the new inequality is more stringent than many other Bell inequalities in the specific quantum state.

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