Third Sound on Substrates Patterned with Periodic and Random Disorder: Evidence for Classical Wave Localization
- 12 September 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 61 (11) , 1286-1289
- https://doi.org/10.1103/physrevlett.61.1286
Abstract
We report the results of measurements of the propagation of classical waves in thin helium films adsorbed on silicon substrates with two different scattering patterns. Periodic scattering patterns show band structure; random scattering patterns show classical wave localization in one dimension consistent with theoretical predictions.Keywords
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