Phonon Interference in Thin Helium Films Using Superconducting Tunnel Junctions
- 14 February 1972
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 28 (7), 414-417
- https://doi.org/10.1103/physrevlett.28.414
Abstract
Phonon interference has been observed in adsorbed helium films at frequencies above 100 GHz. Superconducting tunnel junctions were used as generators and detectors of the monochromatic phonons.Keywords
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