论文标题
通过子系统的局部描述对非本地量子相关的物理解释
Physical interpretation of nonlocal quantum correlation through local description of subsystems
论文作者
论文摘要
量子相关性的表征和分类在量子信息科学中从根本和实际上都很重要。尽管量子相关性，例如不可分割性，可指导性和非局部性可以以不同的理论模型为特征，在不同的情况下，对相关系统的已知（可信）或未知（不信任）知识（不可信）的知识，但这种表征有时缺乏实验师的明确表征。在这项工作中，我们提出了两个系统之间非本地量子相关性的物理解释。在没有{\ IT完整的局部描述}的{\ IT完整的局部描述}的情况下，由{\ it局部不确定性关系}量化的子系统之一}，子系统之间的相关性变为非局部性。值得注意的是，仅在局部隐藏状态（LHS）-LHS模型下得出的单个不确定性关系可以区分不同的非量子相关性。我们在不同的情况下实验表征了两分的Werner状态。
Characterization and categorization of quantum correlations are both fundamentally and practically important in quantum information science. Although quantum correlations such as non-separability, steerability, and non-locality can be characterized by different theoretical models in different scenarios with either known (trusted) or unknown (untrusted) knowledge of the associated systems, such characterization sometimes lacks unambiguous to experimentalist. In this work, we propose the physical interpretation of nonlocal quantum correlation between two systems. In the absence of {\it complete local description} of one of the subsystems quantified by the {\it local uncertainty relation}, the correlation between subsystems becomes nonlocal. Remarkably, different nonlocal quantum correlations can be discriminated from a single uncertainty relation derived under local hidden state (LHS)-LHS model only. We experimentally characterize the two-qubit Werner state in different scenarios.
