Ground-state energy of HeH+

被引：6
|
作者：
Zhou, Bing-Lu
Zhu, Jiong-Ming
Yan, Zong-Chao
机构：
[1] Shanghai Normal Univ, Dept Phys, Shanghai 200237, Peoples R China
[2] Univ New Brunswick, Dept Phys, Fredericton, NB E3B 5A3, Canada
来源：
PHYSICAL REVIEW A | 2006年 / 73卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.73.064503
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The nonrelativistic ground-state energy of (HeH+)-He-4 is calculated using a variational method in Hylleraas coordinates. Convergence to a few parts in 10(10) is achieved, which improves the best previous result of Pavanello [J. Chem. Phys. 123, 104306 (2005)]. Expectation values of the interparticle distances are evaluated. Similar results for (HeH+)-He-3 are also presented.
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页数：3
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