Influence of coupling distribution on some acoustic resonant effects in amorphous compounds

The consequences of taking into account the distribution of the coupling constants between phonons and two level systems in amorphous compounds are considered in two concrete experimental situations: saturation and hole-burning experiments. It is shown that, if the general shapes of the variation cu...

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Bibliographic Details
Published in:Solid state communications 1988-08, Vol.67 (5), p.477-480
Main Authors: Devaud, M., Prieur, J.-Y.
Format: Article
Language:English
Subjects:
Acoustical properties of solids
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Mechanical and acoustical properties of condensed matter
Physics
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Summary:The consequences of taking into account the distribution of the coupling constants between phonons and two level systems in amorphous compounds are considered in two concrete experimental situations: saturation and hole-burning experiments. It is shown that, if the general shapes of the variation curves are not much influenced by the distribution, however it is essential to take it into account when determining the critical power.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(84)90165-0