Dynamic polarizabilities of atoms in their low-excited states: He, Be, Mg and Ca

被引:23
作者
Chernov, VE [1 ]
Dorofeev, DL [1 ]
Kretinin, IY [1 ]
Zon, BA [1 ]
机构
[1] Voronezh State Univ, Voronezh 394693, Russia
关键词
D O I
10.1088/0953-4075/38/13/020
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The quantum defect Green function formalism is applied to calculate the dynamic scalar and tensor polarizabilities of some atoms in their excited states (2(1)S, 2(1)S, 2(1)P and 2(3)P for He, 2(1)P and 2(3)P for Be, 3(3)P for Mg and 4(3)P for Ca). Experimental and calculated oscillator strength values were used to provide an account for low-excited states (reduce-adding correction of the Green function) while the high-excited and continuum states are accounted semi-analytically. The calculated polarizability values are in good (within several per cent) agreement with the available experimental data and the ab initio numerical data.
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收藏
页码:2289 / 2296
页数:8
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