Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity
Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity
复制标题
微重力下皮开尔文 3D 原子云光阱不同技术的比较
DOI:
10.1016/j.optcom.2015.09.065
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发表时间:
2016-01
影响因子:
2.4
通讯作者:
Xuzong Chen
中科院分区:
文献类型:
--
作者:
Chen Li;Yin Zhang;Zhaoyuan Ma;Xuzong Chen
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 of87Rb using the two different cooling techniques. Under the same initial conditions,87Rb 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.
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DOI:
10.1088/0953-4075/46/19/195302
发表时间:
2013-09
期刊:
Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子:
--
作者:
Lu Wang;Peng Zhang;Xuzong Chen;Zhaoyuan Ma
通讯作者:
Lu Wang;Peng Zhang;Xuzong Chen;Zhaoyuan Ma
影响因子:
64.8
作者:
Bakr, Waseem S.;Gillen, Jonathon I.;Greiner, Markus
通讯作者:
Greiner, Markus
影响因子:
3.6
作者:
CHU, S;BJORKHOLM, JE;HOLLBERG, LW
通讯作者:
HOLLBERG, LW
影响因子:
2.9
作者:
T. Aoki;T. Kato;Y. Tanami;H. Nakamatsu
通讯作者:
T. Aoki;T. Kato;Y. Tanami;H. Nakamatsu
影响因子:
56.9
作者:
Leanhardt, AE;Pasquini, TA;Ketterle, W
通讯作者:
Ketterle, W