Photoionization of some closed shell atoms and ions

被引：0
|
作者：
Chakraborty, HS [1 ]
Deshmukh, PC
Manson, ST
Lindle, DW
机构：
[1] Indian Inst Technol, Dept Phys, Chennai 600036, India
[2] Georgia State Univ, Dept Phys & Astron, Atlanta, GA 30303 USA
[3] Univ Nevada, Dept Chem, Las Vegas, NV 89154 USA
来源：
PRAMANA-JOURNAL OF PHYSICS | 1998年 / 50卷 / 06期
基金：
美国国家科学基金会;
关键词：
atomic physics; photoabsorption;
D O I：
10.1007/BF02846050
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Dipole-allowed single photoionization of some closed shell atoms and ions has been investigated in the relativistic random-phase approximation (RRPA). Application of relativistic-multichannel quantum defect theory (RMQDT) is made together with RRPA to analyse autoionizing resonances. Analysis points to the importance of interchannel coupling in high energy photoionization and reveals various degeneracies in relativistic atomic spectra to influence the low energy dynamics. Interesting threshold behavior in photoelectron spin polarization has been seen. Prospective future studies have been indicated.
引用
收藏
页码：607 / 615
页数：9
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