在交叉光学偶极阱中捕获亚稳铬原子

Annales De Physique Pub Date : 2007-01-01 DOI:10.1051/ANPHYS:2008035

Q. Beaufils, R. Chicireanu, A. Pouderous, B. Laburthe-Tolra, E. Maréchal, L. Vernac, J. Keller, O. Gorceix

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摘要

我们报道了在由四极磁阱和强约束光阱叠加形成的混合阱中多达100万个52cr亚稳原子的快速积累。该云的温度为100 μ K，峰值密度为10 18个原子/m³，这是在光阱中通过强制蒸发达到量子简并的一个有希望的起点。

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Trapping metastable chromium atoms in a crossed optical dipole trap

We report the fast accumulation of up to 1 million 52 Cr metastable atoms in a mixed trap formed by the superposition of a quadrupolar magnetic trap and a strongly confining optical trap. The cloud is at a temperature of 100 μ K with a peak density of 10 18 atoms/m 3 , which is a promising starting point to reach quantum degeneracy by forced evaporation in an optical trap.

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Annales De Physique 物理-物理：综合

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