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Parametrization of the effective potential in sodium clusters

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Parametrization of the effective potential in sodium clusters (EN)
Grypeos, M. E.
Kotsos, B. A.
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2020-02-19
The effective radial electronic potentials for neutral sodium clusters determined by the local density approximation and the jellium model are parametrized by means οf (symmetrized) Woods-Saxon and "Wine-Bottle" symmetrized Woods-Saxon potentials. The potential parameters are deter mined by various least-squares fitting procedures. Particular attention is paid to the dependence of the radius parameter R on the particle number Ν and it is realized that for relatively smaller values of N, complex expressions of R as a function of N, are more appropriate than the standard one R = r_0N^{1/3}. It is also found that improved results in these cases are obtained with an expression, of the form R = r_0N^{1/3} + 6, which is still very simple. (EN)
Annual Symposium of the Hellenic Nuclear Physics Society
English
Hellenic Nuclear Physics Society (HNPS) (EN)
2654-0088
2654-007X
Annual Symposium of the Hellenic Nuclear Physics Society; Τόμ. 4 (1993): HNPS1993; 75-84 (EL)
HNPS Advances in Nuclear Physics; Vol. 4 (1993): HNPS1993; 75-84 (EN)
Πνευματική ιδιοκτησία (c) 2020 B. A. Kotsos, M. E. Grypeos (EL)
Hellenic Nuclear Physics Society
Annual Symposium of the Hellenic Nuclear Physics Society
Oral contributions



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