𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Second sound velocities in He II near Tλ

✍ Scribed by D.L. Johnson; M.J. Crooks


Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
148 KB
Volume
27
Category
Article
ISSN
0375-9601

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


The velocity of second sound near Tλ
✍ R. Williams; S.E.A. Beaver; J.C. Fraser; R.S. Kagiwada; I. Rudnick 📂 Article 📅 1969 🏛 Elsevier Science 🌐 English ⚖ 155 KB
The velocity of second sound near the la
✍ M.J. Adriaans; D.R. Swanson; J.A. Lipa 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 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 < 10-1°K