NEST-TO-LEADING ORDER DEBYE MASS FOR THE QUARK-GLUON PLASMA

The Debye screening mass for a quark-gluon plasma at high temperature is calculated to next-to-lending order in the QCD coupling constant from the correlator of two Polyakov loops. The result agrees with the screening mass defined by the location of the pole in the gluon propagator as calculated by Rebhan. It is logarithmically sensitive to nonperturbative effects associated with the screening of static chromomagnetic fields.