Journal of Low Temperature Physics

, Volume 50, Issue 3–4, pp 319–336 | Cite as

A model for paramagnetic Fermi systems

  • T. L. Ainsworth
  • K. S. Bedell
  • G. E. Brown
  • K. F. Quader


We develop a model for paramagnetic Fermi liquids. This model has both direct and induced interactions, the latter including both density-density and current-current response. The direct interactions are chosen to reproduce the Fermi liquid parametersF 0 s ,F 0 a ,F 1 s and to satisfy the forward scattering sum rule. TheF 1 a andF 1 s,a for1>1 are determined self-consistently by the induced interactions; they are checked against experimental determinations. The model is applied in detail to liquid3He, using data from spin-echo experiments, sound attenuation, and the velocities of first and zero sound. Consistency with experiments gives definite preferences for values ofm*. The model is also applied to paramagnetic metals. Arguments are given that this model should provide a basis for calculating effects of magnetic fields.


Magnetic Field Attenuation Magnetic Material Experimental Determination Direct Interaction 
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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • T. L. Ainsworth
    • 1
  • K. S. Bedell
    • 1
  • G. E. Brown
    • 1
  • K. F. Quader
    • 1
  1. 1.Physics DepartmentState University of New YorkStony Brook

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