Perturbative Aspects of the Deconfinement Transition

General introduction .- Faddeev-Popov gauge fixing and the Curci-Ferrari model.- Deconfinement transition and center symmetry.- Background Field Gauges: States and Symmetries.- Background Field Gauges: Weyl chambers.- Yang-Mills deconfinement transition from the Curci-Ferrari model at leading order.- Yang-Mills deconfinement transition from the Curci-Ferrari model at next-to-leading order.- More on the relation between the center symmetry group and the deconfinement transition.- Background field gauges: adding quarks and density.- QCD decofinement transition in the heavy quark regime.- A novel look at background field methods at finite temperature.- Conclusions and outlook.- Appendix.

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• Física da Matéria Condensada (física do estado sólido e estado líquido)
• Física das partículas e da energia elevada

Curci-Ferrari model and applications;background field method at finite temperature;beyond Faddeev-Popov gauge fixing;infrared gauge fixing;deconfinement transition of QCD