Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms

doi:10.1088/1674-1056/28/1/013702

中国物理B ›› 2019, Vol. 28 ›› Issue (1): 13702-013702.doi: 10.1088/1674-1056/28/1/013702

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms

Pengwei Li(李鹏伟), Yuqing Li(李玉清), Guosheng Feng(冯国胜), Jizhou Wu(武寄洲), Jie Ma(马杰), Liantuan Xiao(肖连团), Suotang Jia(贾锁堂)

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China;
2 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

收稿日期:2018-09-27 修回日期:2018-11-22 出版日期:2019-01-05 发布日期:2019-01-05
通讯作者: Yuqing Li E-mail:lyqing.2006@163.com
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304203), the Chang Jiang Scholars and Innovative Research Team in the University of the Ministry of Education of China (Grant No. IRT13076), the National Natural Science Foundation of China (Grant Nos. 61722507, 61675121, 61705123, and 11434007), the Fund for Shanxi 1331 Project Key Subjects Construction, China, and the Applied Basic Research Project of Shanxi Province, China (Grant No. 201701D221002).

Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms

Pengwei Li(李鹏伟)¹, Yuqing Li(李玉清)^1,2, Guosheng Feng(冯国胜)¹, Jizhou Wu(武寄洲)^1,2, Jie Ma(马杰)^1,2, Liantuan Xiao(肖连团)^1,2, Suotang Jia(贾锁堂)^1,2

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China;
2 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

Received:2018-09-27 Revised:2018-11-22 Online:2019-01-05 Published:2019-01-05
Contact: Yuqing Li E-mail:lyqing.2006@163.com
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304203), the Chang Jiang Scholars and Innovative Research Team in the University of the Ministry of Education of China (Grant No. IRT13076), the National Natural Science Foundation of China (Grant Nos. 61722507, 61675121, 61705123, and 11434007), the Fund for Shanxi 1331 Project Key Subjects Construction, China, and the Applied Basic Research Project of Shanxi Province, China (Grant No. 201701D221002).

摘要/Abstract

摘要：

We study the influence of external magnetic field on the shift of the resonant frequency in the photoassociation of ultracold Cs atoms, which are captured in a magnetically levitated optical crossed dipole trap. With the increase of the photoassociation laser intensity, the linear variation of the frequency shift is measured by recording the photoassociation spectra of the long-range 0_u⁺ state of Cs molecule below the 6S_1/2+6P_1/2 dissociation limit at different magnetic fields. The slope of the frequency shift to the intensity of the photoassociation laser exhibits a strong dependence on the external magnetic field. The experimental data is simulated with an analytic theory model, in which a single channel rectangular potential with the tunable well depth is introduced to acquire the influence of the magnetic field on the atomic behavior in the effective range where photoassociation occurs.

关键词: ultracold molecule, photoassociation, frequency shift

Abstract:

Key words: ultracold molecule, photoassociation, frequency shift

中图分类号: (Trapping of molecules)

37.10.Pq

37.10.Mn (Slowing and cooling of molecules) 33.70.Jg (Line and band widths, shapes, and shifts)

李鹏伟, 李玉清, 冯国胜, 武寄洲, 马杰, 肖连团, 贾锁堂. Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms[J]. 中国物理B, 2019, 28(1): 13702-013702.

Pengwei Li(李鹏伟), Yuqing Li(李玉清), Guosheng Feng(冯国胜), Jizhou Wu(武寄洲), Jie Ma(马杰), Liantuan Xiao(肖连团), Suotang Jia(贾锁堂). Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms[J]. Chin. Phys. B, 2019, 28(1): 13702-013702.

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Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms

Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms

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