Parity chain and parity chain breaking in the two-level cavity quantum electrodynamics system

被引：1
|
作者：
Zhao, Jingyun [1 ,2 ,4 ]
Qin, Liguo [2 ,3 ]
Cai, Xunming [1 ]
Lin, Qiang [1 ,5 ]
Wang, Zhongyang [2 ]
机构：
[1] Zhejiang Univ, Inst Opt, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China
[2] Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
[3] Qingdao Univ Technol, Sch Sci, Qingdao 266000, Peoples R China
[4] Zhejiang Sci Tech Univ, Sch Sci, Hangzhou 310018, Zhejiang, Peoples R China
[5] Zhejiang Univ Technol, Dept Appl Phys, Hangzhou 310023, Zhejiang, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2017年 / 15卷 / 05期
基金：
上海市自然科学基金;
关键词：
ULTRASTRONG-COUPLING REGIME; SPACE QUANTIZATION; JAYNES-CUMMINGS; DYNAMICS; FIELD; ENTANGLEMENT; MONOHALIDES; MOLECULES; MODELS;
D O I：
10.3788/COL201715.050202
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the transitions between energy levels and parity symmetry in an effective two-level polar molecule system strongly coupled with a quantized harmonic oscillator. By the dressed-state perturbation theory, the transition diagrams between the dressed-state energy levels are presented clearly and show that the odd (even) parity symmetry is broken by the permanent dipole moment (PDM) of the polar molecules. By the analytical and numerical methods, we find that when the coupling strength and the PDM increase, the more frequency components are induced by the counter-rotating terms and PDM.
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收藏
页数：5
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