Abstract
The excitation of concentration and temperature fluctuations in waves of the first and second sounds, as well as in the thermal wave, by a vibrating tuning fork, in a superfluid 3He–4He solution with a concentration of 3Не exceeding 10% was studied. In particular, the possibility of emission of second sound and dissipative thermal wave by an oscillating tuning fork, the efficiency of such emission as a function of the solution concentration, and the possible effect of this emission on the damping of the tuning fork vibrations, which have been observed in experiments but not explained theoretically to date, are considered in this paper.
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