Local cloning of arbitrarily entangled multipartite states

被引：11
|
作者：
Kay, A [1 ]
Ericsson, M [1 ]
机构：
[1] Univ Cambridge, DAMTP, Ctr Math Sci, Ctr Quantum Computat, Cambridge CB3 0WA, England
来源：
PHYSICAL REVIEW A | 2006年 / 73卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.73.012343
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We examine the perfect cloning of nonlocal, orthogonal states using only local operations and classical communication. We provide a complete characterisation of the states that can be cloned under these restrictions, and their relation to distinguishability. We also consider the case of catalytic cloning, which we show provides no enhancement to the set of clonable states.
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页数：4
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