Optimal Phase-Covariant Cloning in 3 Dimensions

被引:0
|
作者
Zhang Wen-Hai [1 ]
Yu Long-Bao [2 ]
Cao Zhuo-Liang [2 ]
Ye Liu [3 ]
机构
[1] Huainan Normal Univ, Dept Phys, Huainan 232001, Peoples R China
[2] Hefei Normal Univ, Sch Elect & Informat Engn, Hefei 230061, Peoples R China
[3] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China
基金
中国国家自然科学基金;
关键词
quantum cloning; phase-covariant cloning; QUANTUM CLONING; STATES;
D O I
10.1088/0253-6102/57/6/09
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this paper, we present the explicit transformations of the optimal 1 -> 3, 4,5 phase-covariant cloning in 3 dimensions. The cloning fidelities are covered by the theoretical bounds of the optimal 1 -> 3k, 3k + 1, 3k + 2 phase-covariant cloning of qutrits, where k >= 1 is the integral [Phys. Rev. A 67 (2003) 042306].
引用
收藏
页码:991 / 994
页数:4
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