Observation of Mass Transport through Solid 4He

Details Observation of Mass Transport through Solid 4He Observation of Mass Transport through Solid 4He

2009-04-10

arxiv.org/abs/0904.1689v2

Physics

Condensed Matter

Other Condensed Matter

1 zipped file, produces 16 page paper, with 20 figures; resubmitted with typos corrected, a figure corrected, some discussion

Scientific paper

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.

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