All bipartite entangled states are useful for information processing

被引：103
|
作者：
Masanes, L [1 ]
机构：
[1] Univ Bristol, Sch Math, Bristol BS8 1TW, Avon, England
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.96.150501
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The question of whether all entangled states can be used as a nonclassical resource has remained open so far. Here we provide a conclusive answer to this problem for the case of systems shared by two parties. We show that any entangled state sigma can enhance the teleportation power of some other state. This holds even if the state sigma is bound entangled.
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页数：4
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