Critical ultrasonic attenuation in superfluid helium: Mixing of order-parameter and fluctuation contributions
- 1 March 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 23 (5) , 2434-2437
- https://doi.org/10.1103/physrevb.23.2434
Abstract
The mixing of the Landau-Khalatnikov (order-parameter) and fluctuation contributions to the critical ultrasonic attenuation is calculated in the expansion. The resulting scaling function agrees with the experimental data over nine octaves.
Keywords
This publication has 6 references indexed in Scilit:
- Non-local specific heat — Ordered-phase resultsPhysics Letters A, 1980
- Dynamic Scaling of Ultrasonic Attenuation at the Liquid HeliumPointPhysical Review Letters, 1980
- High frequency critical attenuation of sound in pressurized 4He near TλJournal de Physique Lettres, 1980
- Dynamic scaling and ultrasonic attenuation in 4He near the superfluid transition pointJournal of Low Temperature Physics, 1978
- Sound propagation in 3He-4He mixtures near the superfluid transitionJournal of Low Temperature Physics, 1978
- Attenuation of First Sound Near the Lambda Transition of Liquid HeliumPhysical Review Letters, 1970