Minimax variational approach to the relativistic two-electron problem

被引：19

作者：

Kolakowska, A

Talman, JD

Aashamar, K

机构：

[1] UNIV WESTERN ONTARIO, DEPT PHYS, LONDON, ON N6A 5B7, CANADA

[2] UNIV WESTERN ONTARIO, CTR CHEM PHYS, LONDON, ON N6A 5B7, CANADA

[3] UNIV OSLO, INST PHYS, OSLO, NORWAY

来源：

PHYSICAL REVIEW A | 1996年 / 53卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.53.168

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A minimax formulation for the time-independent Dirac equation is extended to the two-particle problem. The question of solutions of the minimax formulation is discussed and related to the continuum dissolution problem. The approach is applied to the ground state and the n=2 complex of states of He-like ions. Variational calculations are made for bases with a small number of basis functions, varying the nonlinear parameters, as well as for large-dimensional configuration-interaction-type bases.

引用

页码：168 / 177

页数：10

共 37 条

[1]

BAKER J, 1988, AIP C P, V189, P146

[2]

BASHKIN S, 1975, ATOMIC ENERGY LEVELS, V1

[3] STABLE VARIATIONAL CALCULATIONS WITH THE DIRAC HAMILTONIAN [J].