Potential-scattering models for the quasiparticle interactions in liquid 3He

Author(s): J. A. Sauls and J. W. Serene
Comments: 4 Journal pages
Journal-ref: Phys. Rev. B 24, 183 (1981)

Using a Legendre function expansion, we obtain analytic results for the transport coefficients and superfluid Ginzburg-Landau parameters of liquid 3He from any model quasiparticle scattering amplitude with the form of a matrix element of a local two-body potential. We perform a least-squares fit to the measured Landau parameters and transport coefficients and obtain nearly perfect agreement for models including Legendre components with l <= 3.

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