Abstract
The statistical model of electrons in a small metallic particle is applied to calculate three expressions for the size dependent ac conductivity. The first expression is very simple. It is obtained with a sum-rule conserving ansatz for the electric dipole matrix element. The two other forms follow from generalizations of a quasiclassical approximation for the matrix element due to Gor'kov and Eliashberg. The results are discussed and related to other work.
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Dedicated to Professor W. Brenig on the occasion of his 60th birthday
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Frahm, K., Mühlschlegel, B. & Németh, R. Size dependent ac conductivity of small metal particles. Z. Physik B - Condensed Matter 78, 91–97 (1990). https://doi.org/10.1007/BF01317361
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DOI: https://doi.org/10.1007/BF01317361