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Second Sound Velocity in Helium II
Phys. Rev. 76, 948 – Published 1 October, 1949
DOI: https://doi.org/10.1103/PhysRev.76.948
Abstract
Pulse methods are applied to extend the measurements of second sound velocity in liquid helium II to a temperature of 0.86°K. The rise in velocity below 1.1°K observed by Peshkov is verified and extended to lower temperature. The theoretical implications are discussed.
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