微波蒸发冷却铷原子

Dezhi Xiong、Pengjun Wang、Haixia Chen、Jing Zhang

2010Chinese Optics LettersPhysics and Astronomy被引 5开放获取

摘要

We report the experimental achievement of 87 Rb Bose-Einstein condensation in a magnetic trap with microwave and radio frequency (RF) induced evaporation. Evaporative cooling is realized by using 6.8 GHz microwave radiation driving the 87 Rb atoms to transit from the ground-state hyperfine state |F = 2, mF = 2 to |F = 1, mF = 1 . Compared with RF-induced evaporation, 87 Rb atoms are hardly to achieve pure condensate by microwave evaporation cooling due to the effect of atoms in the |F = 1, mF = 1 state being pumped back into the trapping |F = 2, mF = 1 state.

引用本文（GB/T 7714）

Dezhi Xiong, Pengjun Wang, Haixia Chen, 等. 微波蒸发冷却铷原子[J]. Chinese Optics Letters, 2010.

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DOI：https://doi.org/10.3788/col20100804.0351

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