LOCAL APPROACH TO THE NON-MARKOVIAN EVOLUTION OF QUANTUM SYSTEMS

被引：2
|
作者：
Chruscinski, Dariusz [1 ]
Kossakowski, Andrzej [1 ]
机构：
[1] Nicolaus Copernicus Univ, Inst Phys, PL-87100 Torun, Poland
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2011年 / 9卷
关键词：
Open systems; quantum dynamics; non-Markovian evolution; DYNAMICAL SEMIGROUPS; MASTER-EQUATIONS; GENERATORS;
D O I：
10.1142/S0219749911007149
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We analyze a local approach to the non-Markovian evolution of open quantum systems. It turns out that any dynamical map representing evolution of such a system may be described either by non-local master equation with memory kernel or equivalently by equation which is local in time. The price one pays for the local approach is that the corresponding generator might be highly singular and it keeps the memory about the starting point "t(0)". This is the very essence of non-Markovianity. We illustrate a local approach by simple examples.
引用
收藏
页码：129 / 138
页数：10
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