RELATIVE STATE MEASURES OF CORRELATIONS IN BIPARTITE QUANTUM SYSTEMS

被引：0
作者：
Rudolfsson, Pierre [1 ]
Sjoqvist, Erik [1 ,2 ]
机构：
[1] Uppsala Univ, Dept Quantum Chem, SE-75120 Uppsala, Sweden
[2] Natl Univ Singapore, Ctr Quantum Technol, Singapore 117543, Singapore
来源：
QUANTUM INFORMATION & COMPUTATION | 2012年 / 12卷 / 1-2期
基金：
新加坡国家研究基金会;
关键词：
Correlations; relative states; ENTANGLEMENT; TELEPORTATION;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Everett's concept of relative state can be viewed as a map that; contains information about correlations between measurement outcomes on two quantum systems. We demonstrate how geometric properties of the relative state map can be used to develop operationally well-defined measures of the total correlation in bipartite quantum systems of arbitrary state space dimension. These measures are invariant under local unitary transformations and non-increasing under local operations. We show that some known correlation measures have a natural interpretation in terms of relative states.
引用
收藏
页码：119 / 137
页数：19
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