Entropic uncertainty relation for mutually unbiased bases

被引：104
|
作者：
Wu, Shengjun [1 ,2 ,5 ]
Yu, Sixia [2 ,3 ,4 ,5 ]
Molmer, Klaus [1 ]
机构：
[1] Aarhus Univ, Dept Phys & Astron, Lundbeck Fdn Theoret Ctr Quantum Syst Res, Aarhus, Denmark
[2] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
[3] Natl Univ Singapore, Ctr Quantum Technol, Singapore 117542, Singapore
[4] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore
[5] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
来源：
PHYSICAL REVIEW A | 2009年 / 79卷 / 02期
关键词：
entropy; measurement theory; probability; quantum computing; quantum theory; CERTAINTY RELATIONS; INFORMATION;
D O I：
10.1103/PhysRevA.79.022104
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We derive inequalities for the probabilities of projective measurements in mutually unbiased bases of a qudit system. These inequalities lead to wider ranges of validity and tighter bounds on entropic uncertainty inequalities previously derived in the literature.
引用
收藏
页数：5
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