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双体量子态的局域分辨

The Local Discrimination of Bi-Partite Quantum States
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摘要 研究量子态可以局域分辨和不可局域分辨的问题。首先得到一个两体混合量子态可以局域精确分辨的必要条件,其次构造了GHZ态不可局域分辨的子空间,并且将此结果推广到N个元素的子空间上。 The aim of this paper is to discuss problems of the local discrimination of Bi-Partite quantum states.First,we get a necessary condition for local of two-parities quantum state which can accurately be distinguished,then followed by construction of the non-LOCC distinguished subspace.The method is correct when is used to N elements of the sub-space.
作者 任林源 陆军
机构地区 西安工业大学数理系 武警西安指挥学院数理教研室
出处 《唐山师范学院学报》 2011年第2期25-27,共3页 Journal of Tangshan Normal University
基金 陕西省教育厅科研计划项目(09JK494) 校长科研基金项目(XAGDXJJ0930)
关键词 量子分辨 局域操作与经典通讯 GHZ态 quantum discrimination LOCC GHZ states
分类号 O413 [理学—理论物理]
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参考文献13

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唐山师范学院学报
2011年 第2期

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