Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser

doi:10.1088/1674-1056/ab3e64

中国物理B ›› 2019, Vol. 28 ›› Issue (10): 100303-100303.doi: 10.1088/1674-1056/ab3e64

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

Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser

Bo Li(李博), Xiao-Jun Jiang(蒋小军), Xiao-Lin Li(李晓林), Wen-Hua Hai(海文华), Yu-Zhu Wang(王育竹)

1 Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Department of Physics and Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Hunan Normal University, Changsha 410081, China

收稿日期:2019-07-19 修回日期:2019-08-15 出版日期:2019-10-05 发布日期:2019-10-05
通讯作者: Xiao-Lin Li E-mail:xiaolin_li@siom.ac.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2016YFA0301504) and the National Natural Science Foundation of China (Grant Nos. 61835013 and 11774362).

Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser

Bo Li(李博)^1,2, Xiao-Jun Jiang(蒋小军)¹, Xiao-Lin Li(李晓林)¹, Wen-Hua Hai(海文华)³, Yu-Zhu Wang(王育竹)¹

1 Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Department of Physics and Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, Hunan Normal University, Changsha 410081, China

Received:2019-07-19 Revised:2019-08-15 Online:2019-10-05 Published:2019-10-05
Contact: Xiao-Lin Li E-mail:xiaolin_li@siom.ac.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2016YFA0301504) and the National Natural Science Foundation of China (Grant Nos. 61835013 and 11774362).

摘要/Abstract

摘要：

We theoretically study the transition dynamics of a two-component Bose-Einstein condensate driven by a train of weak δ-shaped laser pulses. We find that the atomic system can experience peculiar resonant transition even under weak optical excitations and derive the resonance condition by the perturbation method. Employing this mechanism, we propose a scheme to obtain an atomic ensemble with desired odd/even atom number and also a scheme to prepare a nonclassical state of the many-body system with fixed atom number.

关键词: two-component Bose-Einstein condensate, quantum kicked top model, nonclassical state

Abstract:

Key words: two-component Bose-Einstein condensate, quantum kicked top model, nonclassical state

中图分类号: (Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)

03.75.Lm

03.75.Mn (Multicomponent condensates; spinor condensates) 03.65.Aa (Quantum systems with finite Hilbert space)

李博, 蒋小军, 李晓林, 海文华, 王育竹. Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser[J]. 中国物理B, 2019, 28(10): 100303-100303.

Bo Li(李博), Xiao-Jun Jiang(蒋小军), Xiao-Lin Li(李晓林), Wen-Hua Hai(海文华), Yu-Zhu Wang(王育竹). Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser[J]. Chin. Phys. B, 2019, 28(10): 100303-100303.

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Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser

Manipulating transition of a two-component Bose-Einstein condensate with a weak δ-shaped laser

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