Controlled Teleportation of a Three-Qubit State by Using a Five-Qubit Cluster State

被引:3
作者
Li, Yuan-hua [1 ,2 ]
Qiao, Yi [1 ,2 ]
Sang, Ming-huang [1 ,2 ]
Nie, Yi-you [1 ,2 ]
机构
[1] Jiangxi Normal Univ, Dept Phys, Nanchang, Peoples R China
[2] Key Lab Optoelectron, Telecommunicat Jiangxi Prov, Nanchang, Peoples R China
基金
中国国家自然科学基金;
关键词
Quantum information; Controlled quantum teleportation; Five-qubit cluster state; BIDIRECTIONAL CONTROLLED TELEPORTATION; CONTROLLED QUANTUM TELEPORTATION; INFORMATION;
D O I
10.1007/s10773-019-04344-9
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We propose a scheme of controlled teleportation of an arbitrary three-qubit state by using a five-qubit cluster state. In our scheme, the sender Alice performs five sets of single-qubit measurements and the controller Charlie needs only take a single-qubit measurement. The receiver Bob can reconstruct the arbitrary three-qubit state by performing the single-qubit unitary operations and a controlled-NOT operation if he obtains the help of the controller. We show that the efficiency in this scheme approaches 100%
引用
收藏
页码:502 / 506
页数:5
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