Optimal cloning of pure states

被引:465
作者
Werner, RF [1 ]
机构
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Math Phys, D-38106 Braunschweig, Germany
来源
PHYSICAL REVIEW A | 1998年 / 58卷 / 03期
关键词
D O I
10.1103/PhysRevA.58.1827
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We construct a unique optimal quantum device for turning a finite number of d-level quantum systems in the same unknown purl state sigma into ill systems of the same kind, in an approximation of the M-fold tensor product of the state sigma.
引用
收藏
页码:1827 / 1832
页数:6
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