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多体量子系统中量子可分态的分类

Keywords: 可分态,真纠缠,Bell不等式

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Abstract:

为了研究多体量子系统中量子态的可分性,利用Bell不等式给出了多体量子可分态的所有分类.这些不等式能分类22222量子系统中所有可能的k-可分量子态,包括全可分、双可分、三可分、四可分.利用推广的Bell算子和真纠缠分类,运用Cauchy-Schwarz不等式、线性规划等方法,给出了Bell算子平均值的绝对值上界,实现了多体可分态的分类.

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