Loop functions in thermal QCD

Abstract

We discuss divergences of loop functions in thermal QCD and compute perturbatively the Polyakov loop, the Polyakov loop correlator and the cyclic Wilson loop. We show how these functions get mixed under renormalization.

Comments: 10 pages, 8 figures; contribution to QCD@Work 2014, Giovinazzo (Bari, Italy), June 16-19, 2014