稳定器状态和量子比特之外的子空间的纠证人
Jakub Szczepaniak1, Owidiusz Makuta1,2,3, Remigiusz Augusiak1
1Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668 Warsaw, Poland.
Reports on progress in physics. Physical Society (Great Britain)
|November 4, 2025
概括
本研究引入了新的纠证人,以检测多方审计系统中的真实多方纠 (GME). 这些来自稳定器形式主义的证人,为更高维度量子状态提供了增强的噪声稳定性.
科学领域:
- 量子信息科学 量子信息科学
- 量子纠研究 量子纠研究
- 量子错误纠正方法 量子错误纠正方法
背景情况:
- 真正的多方纠 (GME) 对于计量学等量子技术至关重要.
- 纠证人是检测量子状态中的GME的标准工具.
- 现有的方法通常集中在量子位系统上,限制了更高维度的应用.
研究的目的:
- 为了将现有的纠证人构造泛化为真正的多方纠.
- 开发适合在多审计稳定器形式主义中的纠子空间的证人.
- 在更高维度量子系统中探索这些新证人的噪声强度.
主要方法:
- 基于Toth和Gühne (2005) 的纠证人构造的概括.
- 应用多个qudit稳定器形式主义来描述纠状态.
- 在构造中包含具有任意局部维度的图形状态.
- 与现有的多量子比特证人对噪声强度的比较分析.
主要成果:
- 在多审计系统中,纠证人的新构建,以实现真正的多方纠.
- 该构造成功地结合了任意局部维度的图形状态.
- 与多量子比特证人相比,在更高维度系统的某些场景中,新证人的噪声稳定性被证明是优越的.
结论:
- 开发的纠证人为复杂的多审计系统中检测GME提供了强大的工具.
- 多个qudit稳定器形式主义为构建和分析多方纠状态提供了一个多功能框架.
- 这些发现有助于在更高维度量子信息处理中检测和应用真正的多方纠.
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