Static electric dipole polarizabilities of Na clusters View Full Text


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Article Info

DATE

2000-07

AUTHORS

S. Kümmel, T. Berkus, P.-G. Reinhard, M. Brack

ABSTRACT

: The static electric dipole polarizability of NaN clusters with even N has been calculated in a collective, axially averaged and a three-dimensional, finite-field approach for \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}\end{document}, including the ionic structure of the clusters. The validity of a collective model for the static response of small systems is demonstrated. Our density functional calculations verify the trends and fine structure seen in a recent experiment. A pseudopotential that reproduces the experimental bulk bond length and atomic energy levels leads to a substantial increase in the calculated polarizabilities, in better agreement with experiment. We relate remaining differences in the magnitude of the theoretical and experimental polarizabilities to the finite temperature present in the experiments. More... »

PAGES

239-245

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s100530070089

DOI

http://dx.doi.org/10.1007/s100530070089

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1019735864


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