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量子系统C^2C^3中无偏的不可扩展最大纠缠基的新构造

New construction of mutually unbiased unextendible maximally entangled bases in quantum system C^2C^3
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摘要 讨论量子系统C2C3中无偏的不可扩展最大纠缠基的新构造.首先选取空间C2中的任意规范正交基,构造出C2C3中一类4-成员的不可扩展的最大纠缠系统,然后再通过添加C2C3中的两个规范正交向量将其扩充成C2C3中的基底;其次通过变换C3空间的基底,构造出C2C3中另一组完全不同的不可扩展的最大纠缠基,并讨论这两组基无偏的充分必要条件. New constructions of mutually unbiased unextendible maximally entangled bases in quantum system C2C3 are discussed.Firstly,by choosing an arbitrary orthonormal basis in C2,we construct a kind of4-member unextendible maximally entangled system in C2C3,which becomes an unextendible maximally entangled basis in C2C3 after we add two orthonormal vectors in C2C3.Secondly,through changing the basis of C3,another unextendible maximally entangled basis is established,and the sufficient and necessary conditions of mutually unbiaseness of them are discussed.
出处 《延边大学学报(自然科学版)》 CAS 2015年第2期136-141,共6页 Journal of Yanbian University(Natural Science Edition)
基金 国家自然科学基金资助项目(11361065) 吉林省自然科学基金资助项目(201215239)
关键词 无偏基 最大纠缠态 不可扩展的最大纠缠基 mutually unbiased bases maximally entangled state unextendible maximally entangled basis
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参考文献12

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