Multi-party quantum secret sharing based on logical GHZ-type states against collective noise

被引：0
作者：
Xiang, Yi [1 ,2 ,3 ]
Tang, Liang [2 ,3 ]
Bai, Ming-Qiang [2 ,3 ]
Mo, Zhi-Wen [2 ,3 ]
机构：
[1] Sichuan Univ Sci & Engn, Coll Math & Stat, Zigong 643000, Peoples R China
[2] Sichuan Normal Univ, Sch Math Sci, Chengdu 610066, Peoples R China
[3] Sichuan Normal Univ, Inst Intelligent Informat & Quantum Informat, Chengdu 610066, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2021年 / 35卷 / 25期
基金：
中国国家自然科学基金;
关键词：
Quantum secret sharing; logical GHZ-type state; collective noise; projective measurement; SECURE DIRECT COMMUNICATION; KEY AGREEMENT; EFFICIENT; PROTOCOL;
D O I：
10.1142/S0217984921504364
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, we discussed the local preparation methods of two types of multi-qubit logical GHZ-type states using controlled quantum gates, and drew the corresponding quantum circuits. Subsequently, we investigated the measurement-related properties of logical GHZ-type state and thus proposed two multi-party quantum secret sharing schemes against collective-dephasing and collective-rotation noise, respectively. Further, we demonstrated that the schemes can effectively resist some familiar attack strategies. Finally, we analyzed the quantum efficiency of our schemes and made a comprehensive comparison with previous similar schemes.
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页数：17
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