Reflection of Phonons at an Interface between a Solid and Liquid Helium
- 25 September 1972
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 29 (13) , 855-858
- https://doi.org/10.1103/physrevlett.29.855
Abstract
The reflection coefficient of phonons at a boundary between several dielectric crystals and liquid helium has been measured by the heat-pulse technique. The reflection coefficient is found to be smaller for transverse phonons than for longitudinal.Keywords
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