The role of entanglement in quantum measurement and information processing

被引：6
|
作者：
Busch, P [1 ]
机构：
[1] Univ Hull, Dept Math, Kingston Upon Hull HU6 7RX, N Humberside, England
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2003年 / 42卷 / 05期
关键词：
quantum measurement; disturbance; entanglement; tensor product; quantum information;
D O I：
10.1023/A:1025462220957
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The significance of the quantum feature of entanglement between physical systems is investigated in the context of quantum measurements. It is shown that, while there are measurement couplings that leave the object and probe systems nonentangled, no information transfer from object to probe can take place unless there is at least some intermittent period where the two systems are entangled.
引用
收藏
页码：937 / 941
页数：5
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