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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
发表期刊Opt. Commun.
卷号359页码:123
摘要Pursuing 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.
文章类型Article
部门归属量光
DOI10.1016/j.optcom.2015.09.065
资助者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] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501]
收录类别SCI
资助者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] ; National Natural Science Foundation of China [91336103, 61027016, 61078026, 10934010]; National Fundamental Research Program of China [SQ2010CB511493, 2011CB921501]
WOS记录号WOS:000364327600020
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27768
专题量子光学重点实验室
通讯作者xuzongchen@pku.edu.cn
作者单位中国科学院上海光学精密机械研究所
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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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