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Journal of Low Temperature Physics

, Volume 64, Issue 3–4, pp 195–221 | Cite as

Crossover from Fermi liquid to classical behavior of normal3He in the model of almost localized fermions

  • K. Seiler
  • C. Gros
  • T. M. Rice
  • K. Ueda
  • D. Vollhardt
Article

Abstract

A phenomenological extension of the model of almost localized fermions to finite temperatures is presented. It is used to calculate thermodynamic properties of the normal state of3He. No new adjustable parameters are introduced and the effective interaction strength is the same as used by Vollhardt. A good qualitative description of the crossover from Fermi liquid to classical behavior in the specific heat, spin susceptibility, and temperature-dependent pressure (or equivalently thermal expansion) is obtained. In particular, key results, such as the change in specific heat when the spin entropy saturates and the change from thermal expansion to thermal contraction at low temperatures are reproduced.

Keywords

Entropy Thermal Expansion Thermodynamic Property Magnetic Material Adjustable Parameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1986

Authors and Affiliations

  • K. Seiler
    • 1
  • C. Gros
    • 1
  • T. M. Rice
    • 1
  • K. Ueda
    • 2
  • D. Vollhardt
    • 3
  1. 1.Theoretische PhysikEidgenössische Technische HochschuleZürichSwitzerland
  2. 2.Department of Applied PhysicsUniversity of TokyoTokyoJapan
  3. 3.Max Planck-Institut für Physik und AstrophysikMünchenWest Germany

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