ASYMPTOTIC-EXPANSION METHOD FOR THE EVALUATION OF CORRELATED 3-ELECTRON INTEGRALS

被引:42
作者
DRAKE, GWF
YAN, ZC
机构
[1] Department of Physics, University of Windsor, Windsor
来源
PHYSICAL REVIEW A | 1995年 / 52卷 / 05期
关键词
D O I
10.1103/PhysRevA.52.3681
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An asymptotic-expansion method is presented for the evaluation of correlated three-electron integrals arising in Hylleraas-type variational calculations for lithium and other many-electron atoms. The method proves to be very efficient in accelerating the rate of convergence of an infinite series representation of the integrals. An analytic expression for the terms in the series is derived.
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页码:3681 / 3685
页数:5
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