Purification via entanglement swapping and conserved entanglement

被引：323
|
作者：
Bose, S
Vedral, V
Knight, PL
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Opt Sect, London SW7 2BZ, England
[2] Univ Oxford, Clarendon Lab, Ctr Quantum Comp, Oxford OX1 3PU, England
来源：
PHYSICAL REVIEW A | 1999年 / 60卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.60.194
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the purification of entangled states by local actions using a variant of entanglement swapping. We show that there exists a measure of entanglement which is conserved in this type of purification procedure.
引用
收藏
页码：194 / 197
页数：4
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