Berry phase in nonlinear Tavis-Cummings model

被引：0
|
作者：
Liao H. [1 ]
Wang F. [1 ]
Huang S. [1 ]
Chen Z. [1 ]
Liang R. [1 ]
机构：
[1] Laboratory of Photon Information Technology, School of Information and Photoelectric Science and Engineering, South China Normal University, Guangzhou
来源：
Guangxue Xuebao/Acta Optica Sinica | 2011年 / 31卷 / SUPPL.1期
关键词：
Berry phase; Nonlinear Tavis-Cummings model; Numerical simulation; Quantum optics;
D O I：
10.3788/AOS201131.s100506
中图分类号：
学科分类号：
摘要：
A nonlinear Tavis-Cummings model describing interaction of two atoms with a single mode nonlinear field is presented. The relation between it and other cavity quantum electrodynamics (QED) model is analyzed. Berry phase and eigenvalues of this quantum system are evaluated explicitly, and how they change with system parameters is studied by numerical simulation. The results show that they relate to the dipole-dipole coupling strength between two atoms and atom-field coupling constant and nonlinear coefficient of field. Besides, the influence on Berry phase of nonlinear coupling effect increases with the addition of the number of the photon.
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