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

par Balescu, Radu ;Zhang, Weiyan
Référence Journal of plasma physics, 40, 2, page (215-234)
Publication Publié, 1988

Article révisé par les pairs

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Résumé :

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-5 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. © 1988, Cambridge University Press. All rights reserved.