3-loop gauge coupling for hot gauge theories

Abstract

This talk offers a brief review of the determination of coupling constants in the framework of dimensionally reduced effective field theories for thermal QCD, specializing on its gluonic sector. Interestingly, higher-order operators that go beyond the usual super-renormalizable truncation of the effective theory need to be considered when matching parameters at three loops.

Comments: 9 pages, 4 figures, contribution to the proceedings of Loops and Legs in Quantum Field Theory, 29 April 2018 - 04 May 2018, St. Goar, Germany