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Observation of mass transport through solidH4e
2009
Physical Review B
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By use of a novel experimental design, one that provides for superfluid helium in contact with bulk hcp 4He off the melting curve, we have observed the DC transport of mass through a cell filled with solid 4He in the hcp region of the phase diagram. Flow, which shows characteristics of a superflow, is seen to be independent of the method used to grow the solid, but depends on pressure and temperature. The temperature dependence suggests the possibility of hysteresis.
doi:10.1103/physrevb.79.224302
fatcat:4weayfykprhw3bbjn6yforapfe