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Surface impedance and slip length of superfluid Fermi liquids. Exact results

Abstract

Exact results for the slip length and the surface impedance of a superfluid Fermi liquid are reported for the case of diffuse boundary scattering and compared with previous approximate results based on variational methods. We also derive upper and lower bounds on the slip length for a general class of scattering laws, including the case of Andreev reflection due to suppression of the order parameter near the walls.

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Einzel, D., Højgaard Jensen, H., Smith, H. et al. Surface impedance and slip length of superfluid Fermi liquids. Exact results. J Low Temp Phys 53, 695–729 (1983). https://doi.org/10.1007/BF00684001

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Keywords

  • Reflection
  • Lower Bound
  • Magnetic Material
  • Variational Method
  • General Class