Impurity spin dynamics in the classical Kondo system Cu: Fe. NMR relaxation of impurity neighbour nuclei |
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| Authors: | O Kanert M Mali K Preusser M Mehring |
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| Institution: | Institut für Physik, University Dortmund, 46 Dortmund/Germany |
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| Abstract: | The correlation time τi of the impurity electronic spin in the Kondo system Cu:Fe has been measured over the temperature range 4.2 K?T?300 K (TK=27.6 K) by means of NMR relaxation of impurity neighbour nuclei. τi being in the sub-picosecond region varies with temperatures as predicted by the model calculation of Götze and Schlottmann. |
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