On the Controlled Cyclic Quantum Teleportation of an Arbitrary Two-Qubit Entangled State by Using a Ten-Qubit Entangled State

被引:0
作者
Jun Gu
Tzonelih Hwang
Chia-Wei Tsai
机构
[1] National Cheng Kung University,Department of Computer Science and Information Engineering
[2] National Taitung University,Department of Computer Science and Information Engineering
来源
International Journal of Theoretical Physics | 2020年 / 59卷
关键词
Quantum cryptography; Controlled quantum teleportation; Cyclic quantum teleportation;
D O I
暂无
中图分类号
学科分类号
摘要
Recently, Li et al. (Int J Theor Phys: 58:1541–1545, 2019) proposed a controlled cyclic quantum teleportation method of the arbitrary two-qubit entangled states. They claimed that their method can help each of three involved participants to teleport an arbitrary two-qubit entangled state to the next participant, and at the same time, none of the involved participants can obtain the teleported state without the controller’s permission. However, this study shows that two involved participants can reconstruct the teleported states without the controller’s permission. To solve this problem, a modification is proposed here.
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收藏
页码:200 / 205
页数:5
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