Purification via entanglement swapping and conserved entanglement

被引：332

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

页码：194 / 197

页数：4

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