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We employ a thermodynamic $T$-matrix approach to study Wilson linecorrelators (WLCs) for a static quark-antiquark pair within the quark-gluonplasma (QGP). By refining earlier determined input parameters, self-consistent$T$-matrix calculations can approximately reproduce the WLCs from 2+1-flavorlattice-QCD (lQCD) computations, while also satisfying constraints on the bulkmedium from the QGP equation of state. The main difference from earlier resultsis a reduced screening in the input potential toward higher temperatures. Whenelaborating the consequences of this scenario on transport properties we find amore pronounced temperature dependence of the low-momentum relaxation rate ofheavy quarks in the QGP. This, in particular, leads to a rather weak increaseof the (temperature-scaled) spatial diffusion coefficient, which turns out tobe in fair agreement with the most recent pertinent lQCD data.

Analysis of Static Wilson Line Correlators from Lattice QCD at Finite Temperature with $T$-matrix Approach