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Kinetic equation, spin hydrodynamics and collisional depolarization rate in a spin-polarized plasma

Published online by Cambridge University Press:  13 March 2009

R. Balescu  and
W. Y. Zhang
R. Balescu
Affiliation:
Association Euratom-Etat Belge, Faculté des Sciences CP 231, Campus Plaine, Université Libre de Bruxelles, 1050 Bruxelles, Belgium
W. Y. Zhang
Affiliation:
Association Euratom-Etat Belge, Faculté des Sciences CP 231, Campus Plaine, Université Libre de Bruxelles, 1050 Bruxelles, Belgium
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Abstract

On the basis of our previous work, a rigorous kinetic equation for a spin-polarized plasma is derived in the weak-coupling quasi-classical limit. The macroscopic polarization vector is defined in a unified form for spin-½ and spin-1 particles. Using the kinetic equation, an equation for the macroscopic polarization density is derived in the form of a ‘spin-hydrodynamical equation’. The depolarization rate for the spin–orbit interaction and the spin–spin interaction is estimated. Some difficulties for the spin–spin interaction are displayed and discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 40 , Issue 2 , October 1988 , pp. 215 - 234
Copyright
Copyright © Cambridge University Press 1988

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References

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