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Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity
Yao, Hepeng; Luan, Tian; Li, Chen; Zhang, Yin; Ma, Zhaoyuan; Chen, Xuzong; xuzongchen@pku.edu.cn
2016
Source PublicationOpt. Commun.
Volume359Pages:123
AbstractPursuing ultralow temperature 3D atom gas under microgravity conditions is one of the popular topics in the field of ultracold research. Many groups around the world are using, or are planning to use, delta-kick cooling (DKC) in microgravity. Our group has also proposed a two-stage crossed beam cooling (TSCBC) method that also provides a path to picokelvin temperatures. In this paper, we compare the characteristics of TSCBC and DKC for producing a picokelvin system in microgravity. Using a direct simulation Monte Carlo (DSMC) method, we simulate the cooling process of Rb-87 using the two different cooling techniques. Under the same initial conditions, Rb-87 can reach 7 pK in 15 s using TSCBC and 75 pK in 5.1 s with DKC. The simulation results show that TSCBC can reach lower temperatures compared with DKC, but needs more time and a more stable laser. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeArticle
Department量光
DOI10.1016/j.optcom.2015.09.065
Funding OrganizationNational Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501]
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501]
WOS IDWOS:000364327600020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/27768
Collection量子光学重点实验室
Corresponding Authorxuzongchen@pku.edu.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Yao, Hepeng,Luan, Tian,Li, Chen,et al. Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity[J]. Opt. Commun.,2016,359:123.
APA Yao, Hepeng.,Luan, Tian.,Li, Chen.,Zhang, Yin.,Ma, Zhaoyuan.,...&xuzongchen@pku.edu.cn.(2016).Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity.Opt. Commun.,359,123.
MLA Yao, Hepeng,et al."Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity".Opt. Commun. 359(2016):123.
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