Total cross sections for the double photoionization of Li from the ground and excited states

被引：15
|
作者：
Colgan, J. [1 ]
Griffin, D. C. [2 ]
Ballance, C. P. [3 ]
Pindzola, M. S. [3 ]
机构：
[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
[2] Rollins Coll, Dept Phys, Winter Pk, FL 32789 USA
[3] Auburn Univ, Dept Phys, Auburn, AL 36849 USA
来源：
PHYSICAL REVIEW A | 2009年 / 80卷 / 06期
关键词：
PHOTO-DOUBLE-IONIZATION; R-MATRIX; HELIUM; EXCITATION; SINGLE;
D O I：
10.1103/PhysRevA.80.063414
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Two nonperturbative approaches are used to calculate the total cross sections for the double photoionization of Li from its ground and first excited states. From the ground state, both the time-dependent close coupling and R matrix with pseudostate approaches find reasonable agreement with experimental data, and from the first excited state (where no measurements are available), the two approaches are also in reasonable agreement.
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页数：6
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