Analytical approach to the helium-atom ground state using correlated wavefunctions

被引：26

作者：

Bhattacharyya, S ^{[1
]}

Bhattacharyya, A ^{[1
]}

Talukdar, B ^{[1
]}

Deb, NC ^{[1
]}

机构：

[1] INDIAN ASSOC CULTIVAT SCI,DEPT THEORET PHYS,CALCUTTA 700032,W BENGAL,INDIA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1996年 / 29卷 / 05期

关键词：

D O I：

10.1088/0953-4075/29/5/003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A realistic three-parameter correlated wavefunction is used to construct an exact analytical expression for the expectation value of the helium-atom Hamiltonian expressed in the interparticle coordinates. The parameters determined variationally are found to satisfy the orbital and correlation cusp conditions to a fair degree of accuracy and yield a value for the ground-state energy which is in good agreement with the exact result.

引用

页码：L147 / L150

页数：4

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