基于W态的抗集体噪声量子安全直接通信

IF 1.3 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
Shiming Liu, Yuqi Wang, Geng Chen, Yi Zhou, Kun Yang, Jiawei Luo, Jiaji Wang
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引用次数: 0

摘要

本研究采用三粒子W态作为量子资源。发送方的酉算子通过泡利和受控Z门处理贝尔状态,并对酉操作进行编码。随后,接收方测量关节贝尔状态。接下来,接收方标识发送方的统一流程,并对秘密消息进行解码以供检索。最后,提出了两种集体噪声信道下的量子安全直接通信协议。这些协议使用不同的逻辑贝尔状态来解决传输信道中两种不同类型的噪声。该协议弥补了三粒子W态量子安全直接通信在抗集体噪声方面的不足。利用逻辑W态对量子态进行保护,提高了量子态的保真度,提高了信息传输速率。此外,本研究协议的安全性通过对各种攻击进行严格的安全分析来证明。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantum Secure Direct Communication Against Collective Noise Based on W States

The three-particle W state is used as a quantum resource in this research. The sender’s unitary operator works on the Bell state via the Pauli and controlled Z gates and encodes the unitary operations. Subsequently, the receiver measures the joint Bell state. Next, the receiver identifies the sender’s unitary process and decodes the secret message for its retrieval. Finally, two quantum secure direct communication protocols are developed under collective noise channels. These protocols use different logical Bell states to resolve two different types of noise in the transmission channel. The protocol compensates for the weaknesses of three-particle W state quantum secure direct communication in resisting the collective noise. Moreover, the logical W state is applied to protect the quantum state, which increases its fidelity and improves the information transmission rate. In addition, the security of this study’s protocols is demonstrated using a rigorous security analysis of diverse attacks.

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来源期刊
CiteScore
2.50
自引率
21.40%
发文量
258
审稿时长
3.3 months
期刊介绍: International Journal of Theoretical Physics publishes original research and reviews in theoretical physics and neighboring fields. Dedicated to the unification of the latest physics research, this journal seeks to map the direction of future research by original work in traditional physics like general relativity, quantum theory with relativistic quantum field theory,as used in particle physics, and by fresh inquiry into quantum measurement theory, and other similarly fundamental areas, e.g. quantum geometry and quantum logic, etc.
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