Classical Transport Theory and Hard Thermal Loops in the Quark-Gluon Plasma

Preprint

10 June 1994

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/9406285

Abstract

Classical transport theory for colored particles is investigated and employed to derive the hard thermal loops of QCD. A formal construction of phase-space for color degrees of freedom is presented. The gauge invariance of the non-Abelian Vlasov equations is verified and used as a guiding principle in our approximation scheme.We then derive the generating functional of hard thermal loops from a constraint satisfied at leading-order by the color current. This derivation is more direct than alternative ones based on perturbative quantum field theory, and shows that hard thermal effects in hot QCD are essentially {\it classical}. As an illustration, we analyze color polarization in the QCD plasma.

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All Related Versions

Version 1, 1994-06-10, ArXiv
Published version: Physical Review D, 50 (6), 4209.

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