Energy calculation of 2s2 1S, 2p2 1D, 3s2 1S, 3p2 1D, 3d2 1G, 4p2 1D, 4d2 1D, 4f2 1I doubly excited states using a new wave function to four terms for 2 ≤ Z ≤ 15

被引：2
|
作者：
Sow, B. [1 ]
Sow, M. [1 ]
Gning, Y. [1 ]
Traore, A. [1 ]
Ndao, A. S. [1 ]
Wague, A. [1 ]
机构：
[1] Univ Cheikh Anta Diop, Dept Phys, Atoms Laser Lab, Dakar, Senegal
来源：
RADIATION PHYSICS AND CHEMISTRY | 2016年 / 123卷
关键词：
Energy; Screen Constant by Unit Nuclear Charge; wave function correlated; atoms and ions; HELIUM ISOELECTRONIC SEQUENCE; GROUND-STATE; VARIATIONAL CALCULATIONS; ATOMS; HE; LI+;
D O I：
10.1016/j.radphyschem.2016.01.037
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Calculation of the energy levels of atoms and ions with 2 <= Z <= 15 are carried out in this paper using a Hyllerass approximation. The method used is one of Screen Constant by Nuclear Charge Unit to calculate the total energy of two-electron atomic systems in ground and different doubly excited states. Employing a new wave function including correlation, we were able to calculate excited states (nl)(2) ( n <= 4). The Comparison of these results with the ones of other methods shows a good agreement. (C) 2016 Elsevier Ltd. All rights reserved.
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页码：25 / 30
页数：6
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