Transport equations for driven many-body quantum systems

被引:1
|
作者
Weidenmueller, H. A. [1 ]
机构
[1] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany
关键词
nuclear reactions; Markov processes; trapped atoms; NUCLEAR-LEVEL DENSITIES; SHELL;
D O I
10.1088/1751-8121/ac2f8d
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Transport equations for autonomous driven fermionic quantum systems are derived with the help of statistical assumptions, and of the Markov approximation. The statistical assumptions hold if the system consists of subsystems within which equilibration is sufficiently fast. The Markov approximation holds if the level density in each subsystem is sufficiently smooth in energy. The transport equation describes both, relaxation of occupation probability among subsytems at equal energy that leads to thermalization, and the transport of the system to higher energy caused by the driving force. The laser-nucleus interaction serves as an example for the applicability and flexibility of the approach.
引用
收藏
页数:20
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