A generating functional for ultrasoft amplitudes in hot QCD
arXiv:hep-ph/0107168 · doi:10.1016/S0370-2693(02)01333-3
Abstract
The effective amplitudes for gluon momentum p<<gT in hot QCD exhibit damping as a result of collisions. The whole set of n-point amplitudes is shown to be generated from one functional K(x,y;A), in addition to the induced current j(x;A).
7 pages, no figure (some comments added)