Zero- and first-sound damping in NaF observed by inelastic neutron scattering |
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| Authors: | A Loidl J Daubert H Jex E Schedler |
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| Institution: | Institut für Kernphysik der Universität Frankfurt/M., Germany;Institut Laue-Langevin, Grenoble, France |
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| Abstract: | The frequency and temperature dependence of the damping of transverse acoustic modes with 0.06 ? q/qmax ? 0.25 in NaF was determined by means of inelastic neutron scattering. The results clearly show a transition from the Akhiezer to the Landau-Rumer regime. |
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