Quantum inference of states and processes -: art. no. 012305

被引：130
|
作者：
Jezek, M [1 ]
Fiurásek, J [1 ]
Hradil, Z [1 ]
机构：
[1] Palacky Univ, Dept Opt, Olomouc 77200, Czech Republic
来源：
PHYSICAL REVIEW A | 2003年 / 68卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.68.012305
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The maximum-likelihood principle unifies inference of quantum states and processes from experimental noisy data. Particularly, a generic quantum process may be estimated simultaneously with unknown quantum probe states, provided that measurements on probe and transformed probe states are available. Drawbacks of various approximate treatments are also considered.
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页数：7
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