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

页码：123 / 134

页数：12

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