Abstract
The heat conductivity of superfluid4He has been measured as a function of temperature between 0.1 and 0.7 K at different pressures between zero and 24 atm. The experiment gives direct evidence that the heat conductivity varies asT 3 at very low temperatures.
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Eckstein, Y., Landau, J. & Rosenbaum, R.L. Heat flow through superfluid4He at low temperatures. J Low Temp Phys 12, 589–593 (1973). https://doi.org/10.1007/BF00654959
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DOI: https://doi.org/10.1007/BF00654959