Summary
New semi-empirical nonlocal Hellmann-model potentials for the valence electron ground states of the alkali atoms and the alkali earth positive ions are generated by a local energy approach and tested with good results in a number of two-electron calculations.
Riassunto
Si determinano nuovi potenziali modello di Hellmann per lo stato fondamentale degli atomi alcalini e degli ioni positivi degli alcalini terrosi con un approccio che fa uso del metodo dell'energia locale. I nuovi potenziali sono applicati con buoni risultati in alcuni calcoli riguardanti atomi con due elettroni di valenza.
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Ferrante, G., Lo Cascio, L. An alternative approach for the determination of the parameters in semi-empirical model potentials. Nuov Cim B 44, 442–450 (1978). https://doi.org/10.1007/BF02726806
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DOI: https://doi.org/10.1007/BF02726806