Quantum correlations of two-qubit states with one maximally mixed marginal

被引：29
|
作者：
Milne, Antony [1 ]
Jennings, David [1 ]
Jevtic, Sania [2 ]
Rudolph, Terry [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England
[2] Brunel Univ, Uxbridge UB8 3PH, Middx, England
来源：
PHYSICAL REVIEW A | 2014年 / 90卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
TELEPORTATION; ENTANGLEMENT; SEPARABILITY;
D O I：
10.1103/PhysRevA.90.024302
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the entanglement, CHSH nonlocality, fully entangled fraction, and symmetric extendibility of two-qubit states that have a single maximally mixed marginal. Within this set of states, the steering ellipsoid formalism has recently highlighted an interesting family of so-called maximally obese states. These are found to have extremal quantum correlation properties that are significant in the steering ellipsoid picture and for the study of two-qubit states in general.
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页数：4
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