GROUND-STATE ENERGIES FOR THE HELIUM ISOELECTRONIC SERIES

被引：94

作者：

THAKKAR, AJ ^{[1
]}

KOGA, T ^{[1
]}

机构：

[1] MURORAN INST TECHNOL, DEPT APPL CHEM, MURORAN, HOKKAIDO 050, JAPAN

来源：

PHYSICAL REVIEW A | 1994年 / 50卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.50.854

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Variational calculations are reported for the ground state of the helium isoelectronic series. An ansatz is introduced and it achieves an accuracy comparable to that hitherto achieved only with basis functions containing logarithmic terms. Energies accurate to better than one part in 10(14) are obtained for the ground states of He through Ne8+ using 308-term expansions, and the ground state of H- using 455 terms.

引用

页码：854 / 856

页数：3

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