Dissipative linear response theory and its appications in open quantum systems

被引:0
作者
Yu, Chen [1 ]
机构
[1] China Acad Engn Phys, Grad Sch, Beijing 100193, Peoples R China
基金
中国国家自然科学基金;
关键词
dissipative linear response theory; Markovian approximation; open quantum systems; entropy; BLACK-HOLES; TRANSFORMATIONS;
D O I
10.7498/aps.70.20211687
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
With the recent development of experimental technology, the ability to control the dissipation in quantum many-body system is greatly enhanced. Meanwhile, many new breakthroughs are achieved in detecting the quantum states and others. All these advances make it necessary to establish a new theory for calculating the dissipative dynamics in strongly correlated sstems. Very recently, we found that by taking the interactions between the system and the bath as a perturbation, a systematic dissipative response theory can be established. In this new approach, the calculation of dissipative dynamics for any physical observables and the entropies can be converted into the calculation of certain correlation functions in initial states. Then we discuss how Markovian approximation at low temperature limit and at high temperature limit can be reached Also, we review the progress of the dissipative dynamics in open Bose-Hubbard model. In the fourth section, we review recent progress of entropy dynamics of quench dynamics of an open quantum system. Finally, we draw a conclusion and discuss possible development in the future.
引用
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页数:11
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