Remote information concentration by a Greenberger-Horne-Zeilinger state and by a bound entangled state

被引：46

作者：

Yu, YF ^{[1
]}

Feng, J

Zhan, MS

机构：

[1] Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Inst Phys & Math, Wuhan 430071, Peoples R China

[2] Liaocheng Univ, Inst Opt Commun, Shandong 252059, Peoples R China

来源：

PHYSICAL REVIEW A | 2003年 / 68卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.68.024303

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We compare remote quantum information concentration by a Greenberger-Horne-Zeilinger (GHZ) state with an unlockable bound entangled state. We find that in view of communication security the bound entangled state works better than the GHZ state.

引用

页数：3

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