Detecting high-dimensional multipartite entanglement via some classes of measurements

被引:12
作者
Liu, Lu [1 ]
Gao, Ting [1 ]
Yan, Fengli [2 ]
机构
[1] Hebei Normal Univ, Coll Math & Informat Sci, Shijiazhuang 050024, Hebei, Peoples R China
[2] Hebei Normal Univ, Coll Phys Sci & Informat Engn, Shijiazhuang 050024, Hebei, Peoples R China
基金
中国国家自然科学基金;
关键词
detection of entanglement; multipartite quantum states; mutually unbiased bases; mutually unbiased measurements; general symmetric informationally complete measurements; QUANTUM; TELEPORTATION; SEPARABILITY;
D O I
10.1088/1674-1056/27/2/020306
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Mutually unbiased bases, mutually unbiased measurements and general symmetric informationally complete measurements are three related concepts in quantum information theory. We investigate multipartite systems using these notions and present some criteria detecting entanglement of arbitrary high dimensional multi-qudit systems and multipartite systems of subsystems with different dimensions. It is proved that these criteria can detect the k-nonseparability (k is even) of multipartite qudit systems and arbitrary high dimensional multipartite systems of m subsystems with different dimensions. We show that they are more efficient and wider of application range than the previous ones. They provide experimental implementation in detecting entanglement without full quantum state tomography.
引用
收藏
页数:6
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