A class of quasi-exact solutions of Rabi Hamiltonian

被引:0
|
作者
Pan, Feng [1 ]
Yao, You-Kun
Xie, Ming-Xia
Han, Wen-Juan
Draayer, J. P.
机构
[1] Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China
[2] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
关键词
Rabi Hamiltonian; quasi-exact solutions; energy spectrum; atom-field entanglement; QUANTUM; SYSTEMS; BEHAVIOR;
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A class of quasi-exact solutions of the Rabi Hamiltonian, which describes a two-level atom interacting with a single-mode radiation field via a dipole interaction without the rotating-wave approximation, are obtained by using a wavefunction ansatz. Exact solutions for part of the spectrum are obtained when the atom-field coupling strength and the field frequency satisfy certain relations. As an example, the lowest exact energy level and the corresponding atom-field entanglement at the quasi-exactly solvable point are calculated and compared to results from the Jaynes-Cuminings and counter-rotating cases of the Rabi Hamiltonian.
引用
收藏
页码:53 / 56
页数:4
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