Abstract
The velocity of the first sound in helium II for the low-temperature region in which the lawT 4 ln(const/T) holds is calculated. The constant in the logarithm is shown to be very small, and therefore the known results of the logarithmic approximation are not sufficient.
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References
A. F. Andreev and I. M. Khalatnikov,Zh. Eksperim. i Teor. Fiz. 44, 2058 (1963) [Soviet Phys.—JETP 17, 1384 (1963)].
W. M. Whitney and C. E. Chase,Phys. Rev. Letters 9, 243 (1962);Phys. Rev. 158, 200 (1967).
B. M. Abraham, Y. Eckstein, J. B. Ketterson, M. Muchnir, and J. Vignos, Preprint (1969).
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Andreev, A.F., Khalatnikov, I.M. On the temperature dependence of the velocity of sound in liquid helium. J Low Temp Phys 2, 173–174 (1970). https://doi.org/10.1007/BF00628173
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DOI: https://doi.org/10.1007/BF00628173