Microwave threshold spectra of a Rydberg potassium atom in strong microwave fields

Microwave threshold spectra of a Rydberg potassium atom in strong microwave fields
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强微波场中里德伯钾原子的微波阈值光谱

DOI:
10.1088/0953-4075/43/18/185002
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发表时间:
2010-09
期刊:
Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子:
--
通讯作者:
Cai, Xuejun
Cai, Xuejun
中科院分区:
其他
文献类型:
--
作者:
Li, Yong;Song, Hongwei;Cai, Xuejun

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采用基于Floquet方法和一种原子势模型的直接方法,得到了与实验符合较好的阈值谱和共振谱。我们的研究结果证实,阈值场不表现出光滑的n依赖性,并表明,在一般情况下,除了少数特殊情况下,在微波阈值谱中的阈值场实现之前,该结构不会出现。我们对微波阈值谱进行了详细的理论计算,解释了为什么阈值场不具有平滑的n依赖性,以及为什么结构不总是出现在阈值场之前。
By a direct approach that is based on the Floquet method plus a kind of atomic potential model, we obtain the theoretical microwave threshold spectra with threshold fields and resonance fields that are in good agreement with the experimental ones. Our results confirm that the threshold fields do not exhibit smooth n dependence and show that, in general, the structure does not appear before the threshold field is achieved in the microwave threshold spectrum except for a few special cases. The explanation why the threshold fields do not exhibit a smooth n dependence and why the structure does not always appear before the threshold field is provided by our detailed theoretical calculations for the microwave threshold spectra.
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