Velocities of Sound in Polycrystalline Neon
- 15 November 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 4 (10) , 3636-3639
- https://doi.org/10.1103/physrevb.4.3636
Abstract
The longitudinal and transverse velocities of sound have been measured in polycrystalline specimens of neon from 18 to 24.5 K by ultrasonic pulse-echo techniques. The results are compared to values at lower temperatures obtained previously by Batchelder and co-workers and by Bezuglyi and co-workers. From these results the isothermal compressibility has been calculated. Comparisons made with various model calculations show the data to be in best agreement with the improved self-consistent model calculations of Goldman, Horton, and Klein.Keywords
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