Quark mass dependence of thermal excitations in QCD in one-loop approximation

A comprehensive determination of the quark mass dependence in the dispersion relations of thermal excitations of gluons and quarks in non-Abelian gauge theory (QCD) is presented for the one-loop approximation in the Feynman gauge. Larger values of the coupling are admitted, and some aspects of the gauge dependence are discussed. In a Dyson–Schwinger type approach, the effect of higher orders is estimated for asymptotic thermal masses.

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