MIXED MAXIMALLY ENTANGLED STATES

被引:0
|
作者
Li, Z. G. [1 ,2 ]
Zhao, M. J. [3 ,4 ]
Fei, S. M. [4 ]
Fan, H. [2 ]
Liu, W. M. [2 ]
机构
[1] Tianjin Univ Technol, Coll Sci, Tianjin 300384, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[3] Max Planck Inst Math Sci, D-04103 Leipzig, Germany
[4] Capital Normal Univ, Dept Math, Beijing 100037, Peoples R China
关键词
maximally entangled state; entanglement measure; quantum teleportation; QUANTUM INFORMATION; TELEPORTATION; PURIFICATION; CHANNEL;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We find that the mixed maximally entangled states exist and prove that the form of the mixed maximally entangled states is unique in terms of the entanglement of formation. Moreover, even if the entanglement is quantified by other entanglement measures, this conclusion is still proven right. This result is a supplementary to the generally accepted fact that all maximally entangled states are pure. These states possess important properties of the pure maximally entangled states, for example, these states can be used as a resource for faithful teleportation and they can be distinguished perfectly by local operations and classical communication.
引用
收藏
页码:63 / 73
页数:11
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