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Superfluid density near the lambda point of4He under pressure

✍ Scribed by Akira Ikushima; Giichi Terui

Publisher
Springer US
Year
1973
Tongue
English
Weight
382 KB
Volume
10
Category
Article
ISSN
0022-2291

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πŸ“œ SIMILAR VOLUMES

The4He viscosity near the superfluid tra
The4He viscosity near the superfluid transition under pressure
✍ L. Bruschi; M. Santini πŸ“‚ Article πŸ“… 1978 πŸ› Springer US 🌐 English βš– 412 KB

## Measurements performed on liquid 4He at five different pressures near the lambda line indicate that the viscosity ~ is singular at the transition. A description in terms of a confluent singularity gives an exponent with equal values at different pressures and on both sides of the superfluid trans

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