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Measurements of the acoustic impedance on superfluid 3HeB

✍ Scribed by D.B. Mast; J.R. Owers-Bradley; W.P. Halperin; I.D. Calder; Bimal K. Sarma; J.B. Ketterson

Publisher
Elsevier Science
Year
1981
Weight
162 KB
Volume
107
Category
Article
ISSN
0378-4363

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Acoustic properties of supersaturated su
Acoustic properties of supersaturated superfluid 3He4He solutions
✍ V. Chagovets; E. Rudavskii; G. Sheshin; T. Kal'ko; I. Usherov-Marshak 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 148 KB

The first sound velocity in metastable long-lived superfluid 3He-4He mixtures are measured in the temperature range 30-200 mK and the pressure interval 0-20 atm. The metastable state is reached by continuously increasing the 3He concentration in situ due to changing the osmotic and fountain pressure