Journal of Low Temperature Physics

, Volume 77, Issue 1–2, pp 35–59 | Cite as

Enhancedp-wave pairing in polarized3He-4He mixtures

  • Peter G. van de Haar
  • Giorgio Frossati
  • Kevin S. Bedell
Article

Abstract

The potential model of Bardeen, Baym, and Pines is generalized to describe polarized3He-4He-mixtures. The zero-field strength and range of the potential as a function of3He-density and pressure are determined by transport data and, for the first time, the magnetostriction. It is found that at higher pressures the magnetostriction leads to a3He-density-dependence in the strength of the potential, an effect which only negligibly appears when fitting the transport data. The model predicts ap-wave superfluid transition with a transition temperatureT c p which is highest at the maximum solubility. Including the correction for the polarization-dependence of the maximum solubility, a large increase inT c p with polarization is found. The size of the enhancement depends on the zero fieldT c p which in turn depends on which set of normal state data we fit.

Keywords

High Pressure Normal State State Data Magnetic Material Potential Model 

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Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • Peter G. van de Haar
    • 1
  • Giorgio Frossati
    • 1
  • Kevin S. Bedell
    • 2
  1. 1.Kamerlingh Onnes Laboratorium der Rijksuniversiteit LeidenLeidenThe Netherlands
  2. 2.Los Alamos National LaboratoryLos Alamos

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