Impurity spin dynamics in the Kondo problem |
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Authors: | W. Wöger J. Zittartz |
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Affiliation: | 1. Institut für Theoretische Physik, Universit?t K?ln, K?ln, Germany
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Abstract: | We derive a system of coupled linear integral equations to determine the dynamical impurity spin susceptibility in the Kondo problem. It is shown that a high temperature solution of these equations is possible by an asymptotic expansion. This yields a Korringa width as one would expect from heuristic arguments. |
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