Understanding one-body losses in magnetically trapped metastable europium atoms

Understanding one-body losses in magnetically trapped metastable europium atoms
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了解磁捕获亚稳态铕原子中的单体损失

DOI:
10.1016/j.optcom.2021.127408
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发表时间:
2022
影响因子:
2.4
通讯作者:
Kozuma Mikio
Kozuma Mikio
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Matsui Hiroki;Miyazawa Yuki;Inoue Ryotaro;Kozuma Mikio

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本文报道了磁囚禁亚稳铕原子的单体损失率的测量及其损失机制的研究。磁光阱中观察到的原子损失还没有完全理解,因为由于冷却激光束的存在,光学泵浦的损失是不可分割的。我们通过直接从磁光阱加载来磁性捕获原子,并观察到两种同位素151 Eu和153 Eu几乎相同的单体损失率约为2.6 s− 1。我们的速率方程为基础的模型,结合与repumpers进行的损失率测量,表明在室温下的黑体辐射驱动E1转换,并诱导所观察到的损失。
We report the measurement of one-body loss rates for magnetically trapped metastable europium atoms and the study of their loss mechanism. The loss of atoms observed in a magneto-optical trap is not fully understood because of the indivisibility of the loss regarding optical pumpings due to the presence of cooling laser beams. We magnetically trapped the atoms by directly loading from the magneto-optical trap and observed almost identical one-body loss rates of approximately 2.6 s−1for two isotopes:151Eu and153Eu. Our rate-equation-based model, combined with loss rate measurements carried out with repumpers, shows that blackbody radiation at room temperature drives E1 transitions and induces the observed losses.
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影响因子: 19.6
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