3-PHOTON IONIZATION CROSS-SECTION CALCULATIONS OF BE

被引：19
|
作者：
TANG, X [1 ]
BACHAU, H [1 ]
机构：
[1] UNIV BORDEAUX 1,COLLIS ATOM LAB,F-33405 TALENCE,FRANCE
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1993年 / 26卷 / 01期
关键词：
D O I：
10.1088/0953-4075/26/1/007
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Three-photon perturbative photoionization cross sections from the ground state of beryllium have been calculated employing B-spline basis functions. Two-photon ionization cross sections are also calculated and compared to other L2 basis set calculations. Various approximations for the 1s2 core are discussed, calculations are performed in velocity and length gauges including electron correlations.
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收藏
页码：75 / 83
页数：9
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