All-optical production of a degenerate mixture of Li-6 and K-40 and creation of heteronuclear molecules

All-optical production of a degenerate mixture of Li-6 and K-40 and creation of heteronuclear molecules
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Li-6 和 K-40 简并混合物的全光学生产以及异核分子的产生

DOI:
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
R. Grimm
R. Grimm
中科院分区:
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文献类型:
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作者:
F. Spiegelhalder;A. Trenkwalder;D. Naik;G. Kerner;E. Wille;G. Hendl;F. Schreck;R. Grimm

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我们给出了我们的全光学方法制备{sup 6}Li和{sup 40}K原子的双简并费米-费米混合物的基本实验步骤,然后作为分子形成的起点。我们首先描述了优化的陷阱加载程序,样品的内态制备,以及蒸发和共振冷却相结合的过程。然后,我们讨论了在物种间Feshbach共振附近制备样品的过程,并演示了通过跨越共振的磁场斜坡形成异核分子的过程。
We present the essential experimental steps of our all-optical approach to prepare a double-degenerate Fermi-Fermi mixture of {sup 6}Li and {sup 40}K atoms, which then serves as a starting point for molecule formation. We first describe the optimized trap loading procedures, the internal-state preparation of the sample, and the combined evaporative and sympathetic cooling process. We then discuss the preparation of the sample near an interspecies Feshbach resonance, and we demonstrate the formation of heteronuclear molecules by a magnetic field ramp across the resonance.
不等质量费米子之间的超流体配对
DOI: 10.48550/arxiv.0801.1815
发表时间: 2008
期刊: --
影响因子: --
作者:
Baranov M
通讯作者: Baranov M