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Renormalization of transversal phonons in mixed valent rare earth compounds |
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| Authors: | N. Grewe P. Entel |
| Affiliation: | Institut für Theoretische Physik der Universität Köhn, Zülpicher Str. 77, D-5000 Köln 41, Federal Republic of Germany |
| Abstract: | The possibility of a softening of transversal acoustic phonons in mixed valent rare earth compounds is demonstrated. The effect should be largest at the zone boundary. |
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