Distillable entanglement of multiple copies of Bell states

被引:8
作者
Chen, YX [1 ]
Yang, D
机构
[1] Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
来源
PHYSICAL REVIEW A | 2002年 / 66卷 / 01期
关键词
D O I
10.1103/PhysRevA.66.014303
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It is impossible to discriminate four Bell states through local operations and classical communication, if only one copy is provided. To complete this task, two copies will suffice and be necessary. When n copies are provided, we show that the distillable entanglement is exactly n-2.
引用
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页数:2
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