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Nonlinear acoustic response of glasses in the tunneling model

URN to cite this document:
urn:nbn:de:bvb:355-epub-492848
DOI to cite this document:
10.5283/epub.49284
Stockburger, Jürgen T. ; Grifoni, Milena ; Sassetti, Maura
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Date of publication of this fulltext: 01 Oct 2021 09:47


Abstract

The nonlinear acoustic response of low-energy excitations in insulating glasses is investigated using the tunneling model. An explicit evaluation of the sound velocity shift is performed which covers the whole temperature range of recent vibrating-reed experiments. Our results are in excellent agreement with experimental findings. The comparison with recent findings on the nonlinear response in ...

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