Spin polarized 3He

  • C. Lhuillier
Conference paper
First Online:
Part of the Lecture Notes in Physics book series (LNP, volume 198)

Abstract

The effects of a strong nuclear polarization on the macroscopic properties of gaseous and liquid 3He at low temperatures are discussed. They are all pure consequences of the atom indistinguishability.

In the gas phase, these effects can completely be calculated from first principles. We discuss the changes of the heat conduction and viscosity originating from the strong reduction of the effective interaction between polarized fermions and the existence of coupling terms between heat conduction and longitudinal spin diffusion. Another consequence of particle indistinguishability is the appearance of transverse spin waves in a dilute, highly polarized gas at low temperatures. In the degenerate liquid phase, the nuclear polarization has a double role : it modifies the effective interaction between atoms and also reduces the phase space available to the system. We give some illustrations of this last effect in a variational framework, and discuss the accuracy of a variational calculation of unpolarized and polarized 3He. We finally give a brief description of the experiments actually in progress at the E.N.S.

Keywords

Nuclear Polarization Spin Diffusion Collision Term Transverse Spin Quantum Boltzmann Equation 
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

© Springer-Verlag 1984

Authors and Affiliations

  • C. Lhuillier
    • 1
  1. 1.Laboratoire de Spectroscopie Hertzienne de l'E.N.S.Paris Cedex 05

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