Energy eigenvalues of diatomic molecules with the shifted Deng-Fan potential using a recently introduced approximation scheme

被引：2
|
作者：
Njoku, I. J. [1 ]
Onyeocha, E. [2 ]
Nwaokafor, P. [1 ]
Onuoha, M. [3 ]
机构：
[1] Fed Univ Technol Owerri, Dept Phys, PMB 1526, Owerri, Imo State, Nigeria
[2] Fed Univ Technol Owerri, Dept Math, PMB 1526, Owerri, Imo State, Nigeria
[3] Imo State Polytech, Dept Sci Lab Technol, Ohaji Egbema, Imo State, Nigeria
来源：
CHEMICAL PHYSICS IMPACT | 2022年 / 5卷
关键词：
Improved approximation scheme; Shifted Deng-Fan potential; Schrodinger equation; Diatomic molecules; SCHRODINGER-EQUATION;
D O I：
10.1016/j.chphi.2022.100096
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：
The analytical solution of the Schrodinger equation with the shifted Deng-Fan potential has been investigated within the parametric Nikiforov-Uvarov (NU) formalism. A recently introduced improved approximation scheme has been used for the centrifugal term and with this, the energy eigenvalues of the sDF is obtained. As an application the m-vibrational energies of nine diatomic molecules, H-2, CO, LiH, HCl, ScH, ScN, TiH, ScF and I-2 is obtained for both low and high-lying states for both l = 0 and l not equal 0. Our results are found to be consistent with the literature for these molecules.
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页数：7
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