Third Sound in Dilute 3He–4He Mixture Films Adsorbed on Nuclepore
- 1 January 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (S3-1)
- https://doi.org/10.7567/jjaps.26s3.287
Abstract
We present measurements of the change in the square of the third sound speed, δC3 2, following the addition of small amounts of 3He, d3, to a 4He film of thickness d4 adsorbed on Nuclepore. For d4=2.8 layers and 0≤d3≤.09 layers δC3 2 is a linear function of d3. For d3=.09 layers and 2.8≤d4≤5.3 layers δC3 2/d3 has an unexpected minimum as a function of d4. Comparisons to δC3 2 on glass will be made.Keywords
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