Detection Power of Separability Criteria Based on a Correlation Tensor: A Case Study

被引：3
|
作者：
Sarbicki, Gniewomir [1 ]
Scala, Giovanni [2 ,3 ,4 ,5 ]
Chruscinski, Dariusz [1 ]
机构：
[1] Nicolaus Copernicus Univ, Fac Phys Astron & Informat, Inst Phys, Grudziadzka 5-7, PL-87100 Torun, Poland
[2] Univ Bari, Dipartimento Interateneo Fis, I-70126 Bari, Italy
[3] Ist Nazl Fis Nucl, Sez Bari, I-70125 Bari, Italy
[4] Univ Gdansk, Int Ctr Theory Quantum Technol ICTQT, Wita Stwosza 63, PL-80308 Gdansk, Poland
[5] Univ Warsaw, Fac Phys, Pasteura 5, PL-02093 Warsaw, Poland
来源：
OPEN SYSTEMS & INFORMATION DYNAMICS | 2021年 / 28卷 / 02期
关键词：
Entanglement detection; SIC-POVMs; realignment criterion; entanglement witness; QUANTUM STATES; ENTANGLEMENT;
D O I：
10.1142/S1230161221500104
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Detection power of separability criteria based on a correlation tensor is tested within a family of generalized isotropic states in d(1) circle times d(2). For d(1) <= d(2) all these criteria are weaker than the positive partial transposition (PPT) criterion. Interestingly, our analysis supports the recent conjecture that a criterion based on symmetrically informationally complete positive operator-valued measure (SIC-POVMs) is stronger than realignment criterion.
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收藏
页数：14
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