DOUBLY EXCITED (1,3)P(E) STATES IN HELIUM-LIKE SYSTEMS

被引:31
作者
HO, YK [1 ]
BHATIA, AK [1 ]
机构
[1] NASA, GODDARD SPACE FLIGHT CTR, ASTRON & SOLAR PHYS LAB, GREENBELT, MD 20771 USA
来源
PHYSICAL REVIEW A | 1993年 / 47卷 / 04期
关键词
D O I
10.1103/PhysRevA.47.2628
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Doubly excited or Feshbach-type resonant states in heliumlike systems, Z = 2-10, have been calculated using the complex-rotation method. Using Hylleraas-type wave functions having up to 825 terms, we predict resonance parameters (both resonance positions and widths) below the N = 3, 4, and 5 thresholds of the hydrogenic systems. The present results for Z = 7 and 8 are compared with those of the close-coupling calculations and experimental results where available.
引用
收藏
页码:2628 / 2633
页数:6
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