QCD Effective Actions at High Temperature and the Quasiparticle Picture

Details QCD Effective Actions at High Temperature and the Quasiparticle Picture QCD Effective Actions at High Temperature and the Quasiparticle Picture

2002-12-17

arxiv.org/abs/hep-ph/0212251v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, talk given at SEWM2002, Heidelberg, October 2002

Scientific paper

Transport theory is an efficient approach to derive an effective theory for the soft modes of QCD at high temperature. It is known that the leading order operators of this theory can be obtained from (semi-classical) kinetic equations of quasiparticles carrying classical or quantum color charges. Higher order operators can also be obtained. Discrepancy between these quasiparticle models starts for dimension 4 operators, which converge in the limit of high dimensional color representations. These quasiparticle models are reviewed and compared.

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