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Bound State Energies for the Exponential Cosine Screened Coulomb Potential

Journal Title, Volume, Page: 
Zeitschrift für Physik D Atoms, Molecules and Clusters , Volume 28, Issue 1, pp 1-5
Year of Publication: 
1993
Authors: 
Sameer M Ikhdair
Department of Electrical Engineering, Near East University, Lefkoşa, Mersin 10, Turkey
Current Affiliation: 
Department of Physics, Faculty of Science, An-Najah National University, Nablus, Palestine
Ramazan Sever
Department of Physics, Middle East Technical University, 06531, Ankara, Turkey
Preferred Abstract (Original): 

The energy eigenvalues of bound states of an electron in the general exponential cosine screened Coulomb potential are obtained using the shifted 1/N expansion method. The energies for the states from 1s to 8k are calculated from six to eight significant figures. The energy eigenvalues for the 1s, 2s – 2p, 3s – 3d, and 4s – 4f states are also presented as a function of the screening parameter λ. Results are compared with the ones obtained by other workers. The agreement reduces roughly for large λ. It is also observed that the convergence of the expansion series increases remarkably aslincreases.

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