Reliable entanglement transfer between pure quantum states

被引：2
|
作者：
Groisman, Berry [1 ]
机构：
[1] Univ Cambridge, Ctr Math Sci, DAMTP, Ctr Quantum Computat, Cambridge CB3 0WA, England
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1103/PhysRevA.74.042302
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The problem of the reliable transfer of entanglement from one pure bipartite quantum state to another using local operations is analyzed. It is shown that in the case of qubits the amount that can be transferred is restricted to the difference between the entanglement of the two states. In the presence of a catalytic state the range of the transferable amount broadens to a certain degree.
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页数：6
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