Effect of the boundary condition on the Kapitza resistance between superfluid 3 He-B and sintered metal

Abstract
Understanding the temperature dependence of thermal boundary resistance, or Kapitza resistance, between liquid helium and sintered metal has posed a problem in low temperature physics for decades. In the ballistic regime of superfluid 3He-B, we find the Kapitza resistance can be described via scattering of thermal excitations (quasiparticles) with a macroscopic geometric area, rather than the sintered metal's microscopic area. We estimate that a...
Paper Details
Title
Effect of the boundary condition on the Kapitza resistance between superfluid 3 He-B and sintered metal
Published Date
Aug 25, 2020
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