Nucleation and phase separation in superfluid solutions of 3He–4He upon a change in concentration
В. А. МихеевB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences 310164 KharkovÉ. Ya. Rudavskiı̆B. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences 310164 KharkovV. К. ChagovetsB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences 310164 KharkovG. A. SheshinB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences 310164 Kharkov
ABI
Abstract
Simultaneous measurements of the first sound velocity and dielectric constant at 90 mK are used to study the probability of phase separation of superfluid 3He−4He solutions and the dependence of supersaturation on the rate of increase in the solution concentration. It is found that the latter has the form of a weak power dependence. The obtained results allow us to compare and analyze all the available experimental data on the supersaturation of 3He−4He solutions.
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