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Velocity of second sound and superfluid density near the superfluid transition in3He-4He mixtures

✍ Scribed by F. Uehara

Publisher
Springer US
Year
1976
Tongue
English
Weight
1014 KB
Volume
24
Category
Article
ISSN
0022-2291

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πŸ“œ SIMILAR VOLUMES

The velocity of second sound near the la
The velocity of second sound near the lambda transition in superfluid4He
✍ M.J. Adriaans; D.R. Swanson; J.A. Lipa πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 163 KB

We report new high precision data on the velocity of second sound close to the lambda transition of 4He at the saturated vapor pressure. The second sound wave is detected by a powdered salt pill of copper ammonium bromide in direct contact with the liquid helium. With a thermometer noise of < 10-1Β°K