基于组播的四量子比特群状态容错多方准备

IF 2.6 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Physica Scripta Pub Date : 2024-09-09 DOI:10.1088/1402-4896/ad753c
TianTian Meng, YuZhen Wei, Min Jiang, Hong Chen and Xu Huang
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引用次数: 0

摘要

本研究的主要目的是利用组播来制备多方四比特群状态。在存在环境噪声的情况下,误差可能会影响粒子分布的程序。为了应对这一挑战,我们提出了一种容错方案来管理可探测信道粒子内的误差。在贝尔链信道的基础上,我们的方法可以通过引入辅助粒子来准备任意的四粒子簇状态,接收器执行单元运算以恢复目标状态。与以前的组播协议相比,我们的方案减少了簇状态准备过程中的资源消耗和操作复杂性。此外,我们还分析了系统在非相干环境下的保真度,从而更全面地了解了噪声对量子通信系统的影响。
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Multicast-based fault-tolerant multiparty state preparation of four-qubit cluster states
The primary aim of this study is to utilize multicast in the preparation of multi-party four-qubit cluster states. In the presence of environment noises, errors may influence the procedure of the particle distribution. To address this challenge, we propose a fault-tolerant scheme to manage the errors within the detectable channel particles. Based on the Bell chain channel, our approach could prepare arbitrary four-particle cluster state by introducing auxiliary particles, where the receiver performs the unitary operation for recovering the target states. Compared to previous multicast protocols, our scheme reduces resource consumption and operational complexity during cluster state preparation. Additionally, we analyze the system’s fidelity in incoherent environments, providing a more comprehensive understanding of the impact of noise on quantum communication systems.
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来源期刊
Physica Scripta
Physica Scripta 物理-物理:综合
CiteScore
3.70
自引率
3.40%
发文量
782
审稿时长
4.5 months
期刊介绍: Physica Scripta is an international journal for original research in any branch of experimental and theoretical physics. Articles will be considered in any of the following topics, and interdisciplinary topics involving physics are also welcomed: -Atomic, molecular and optical physics- Plasma physics- Condensed matter physics- Mathematical physics- Astrophysics- High energy physics- Nuclear physics- Nonlinear physics. The journal aims to increase the visibility and accessibility of research to the wider physical sciences community. Articles on topics of broad interest are encouraged and submissions in more specialist fields should endeavour to include reference to the wider context of their research in the introduction.
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