Heat flow in superfluid 3He |
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Authors: | R. T. Johnson R. L. Kleinberg R. A. Webb J. C. Wheatley |
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Affiliation: | (1) Department of Physics, University of California at San Diego, La Jolla, California |
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Abstract: | The thermal resistance in both superfluid phases of 3He has been measured at 20.0 and 29.6 bar in zero magnetic field. Heat conduction in 3He-B is shown to be primarily hydrodynamic, and a regime of reproducible heat flow behavior in the A phase is reported. The viscosity of each phase as a function of temperature is calculated using an equation of the two-fluid model, and critical velocity effects are discussed.Work supported by the U.S. Atomic Energy Commission under Contract No. AT(04-3)-34 P.A. 143. |
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