Measurement of quantum defects of nS and nD states using field ionization spectroscopy in ultracold cesium atoms
Measurement of quantum defects of nS and nD states using field ionization spectroscopy in ultracold cesium atoms
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DOI：
10.1088/1674-1056/18/5/020
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发表时间：
2009-05
影响因子：
1.7
通讯作者：
Zhang Linjie;Feng Zhi-Gang;Liu An-ling;Zhao Jian-Ming;Li Chang-yong;Jia Suo-tang
中科院分区：
文献类型：
--
作者：
Zhang Linjie;Feng Zhi-Gang;Liu An-ling;Zhao Jian-Ming;Li Chang-yong;Jia Suo-tang
本文报道了用双光子激发超冷原子，使其布居到不同的nS和nD里德堡态（n = 25~52）.采用脉冲场电离方法，在铯原子磁光阱中获得了超冷里德堡原子的电离谱。这表示电离光谱中的nS和nD态，并拟合不同Rydberg态的能级数据，以获得nS和nD态的量子缺陷。
This paper reports that ultracold atoms are populated into different nS and nD Rydberg states (n = 25~52) by two-photon excitation. The ionization spectrum of an ultracold Rydberg atom is acquired in a cesium magneto-optical trap by using the method of pulse field ionization. This denotes nS and nD states in the ionization spectrum and fits the data of energy levels of different Rydberg states to obtain quantum defects of nS and nD states.