Abstract
A simple scaling argument is given to estimate the anomaly in surface tension at the λ-point of liquid helium. The result agrees with an earlier one of Sobyanin, based on the Ginzburg-Pitaevskii equation.
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References
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Hohenberg, P.C. Surface tension anomaly at the superfluid transition. J Low Temp Phys 13, 433–436 (1973). https://doi.org/10.1007/BF00656537
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DOI: https://doi.org/10.1007/BF00656537