Quantum semi-Markov processes

被引：117

作者：

Breuer, Heinz-Peter ^{[1
,2
]}

Vacchini, Bassano ^{[3
,4
]}

机构：

[1] Univ Freiburg, Inst Phys, D-79104 Freiburg, Germany

[2] Inst Adv Study, D-27753 Delmenhorst, Germany

[3] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[4] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.101.140402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We construct a large class of non-Markovian master equations that describe the dynamics of open quantum systems featuring strong memory effects, which relies on a quantum generalization of the concept of classical semi-Markov processes. General conditions for the complete positivity of the corresponding quantum dynamical maps are formulated. The resulting non-Markovian quantum processes allow the treatment of a variety of physical systems, as is illustrated by means of various examples and applications, including quantum optical systems and models of quantum transport.

引用

页数：4

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