Unital Positive Maps and Quantum States

被引：4
|
作者：
Asorey, M. [1 ]
Kossakowski, A. [2 ]
机构：
[1] Univ Zaragoza, Fac Ciencias, Dept Fis, E-50009 Zaragoza, Spain
[2] Nicholas Copernicus Univ, Inst Phys, PL-87100 Torun, Poland
来源：
OPEN SYSTEMS & INFORMATION DYNAMICS | 2008年 / 15卷 / 02期
关键词：
D O I：
10.1142/S1230161208000110
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We analyze the structure of the subset of states generated by unital completely positive quantum maps. A witness certifying that a state does not belong to the subset generated by a given map is constructed. We analyse the representations of positive maps and their relation to quantum Perron-Frobenius theory.
引用
收藏
页码：123 / 134
页数：12
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