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Observation of Mass Transport through Solid 4He
Journal article

Observation of Mass Transport through Solid 4He

Michael Ray and R B Hallock
Physical Review, Vol.79, p.16
04/10/2009
Handle:
https://hdl.handle.net/20.500.12741/rep:9060

Abstract

Physics - Other Condensed Matter

By use of an experimental design 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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