Sum-rule studies for electrons in small metal particles |
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| Authors: | O. Entin-Wohlman B. Mühlschlegel |
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| Affiliation: | (1) Institut für Theoretische Physik, Universität zu Köln, Zülpicher Strasse. 77, D-5000 Köln 41, Federal Republic of Germany;(2) Present address: School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, 69978 Tel Aviv, Israel |
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| Abstract: | The electric dipole-matrix element of electrons in a small metallic grain is considered using sum rules and scaling concepts. Applying level statistical arguments a universal scaling form for the dipole-matrix element is obtained which reproduces the previously calculated frequency dependences in the ballistic, diffusive and localization regimes. |
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