论文标题
使用量子设计的纠缠表征
Entanglement characterization using quantum designs
论文作者
论文摘要
我们详细介绍了一种基于随机测量的相关函数的矩，对独立于参考框架的检测和表征多部分纠缠的统计方法。我们首先讨论如何通过设计，链接小组和纠缠理论的方法来评估相应的时刻。然后，我们说明了介绍的框架的优势，重点是多方场景。我们讨论了三个量子位的真实多部分纠缠的条件，我们证明了允许歧视$ w $ type纠缠的标准。
We present in detail a statistical approach for the reference-frame-independent detection and characterization of multipartite entanglement based on moments of randomly measured correlation functions. We start by discussing how the corresponding moments can be evaluated with designs, linking methods from group and entanglement theory. Then, we illustrate the strengths of the presented framework with a focus on the multipartite scenario. We discuss a condition for characterizing genuine multipartite entanglement for three qubits, and we prove criteria that allow for a discrimination of $W$-type entanglement for an arbitrary number of qubits.
