3-qubit量子相位门的纠缠能力

Entanglement Capacity of 3-qubit Quantum Phase Gate

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摘要研究了3-qubit量子纯态性质与其单体约化密度矩阵之间的关系,给出判断3-qubit最大纠缠纯态和直积态的一种简便判据,并利用此判据研究了一种简单的量子计算模型,推导出该模型下3-qubit量子相位门的纠缠能力. The relations between 3-qubit pure states and the corresponding single-part reduced density matrixes are studied and a simple criterion for 3-qubit maximal entangled states is given. A simple model for quantum computation is investigated and the criterion for 3-qubit quantum phase gates with maximal entanglement capacity is obtained using the criterion for 3-qubit maximal entangled states.

作者胡宝林

机构地区淮阴师范学院物理系

出处《淮阴师范学院学报（自然科学版）》 CAS 2008年第2期117-121,共5页 Journal of Huaiyin Teachers College;Natural Science Edition

关键词量子相位门纠缠能力 3-tangle quantum phase gate entanglement capacity 3-tangle

分类号 O413.1 [理学—理论物理]

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参考文献10

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淮阴师范学院学报（自然科学版）

2008年第2期

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3-qubit量子相位门的纠缠能力

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