摘要 : Calculated in quantum electrodynamics (QED) and quantum chromodynamics (QCD) at high temperature, the damping rate of a mass shell moving fermion is known to present an infrared divergence due to unscreened magnetostatic modes. In... 展开 Calculated in quantum electrodynamics (QED) and quantum chromodynamics (QCD) at high temperature, the damping rate of a mass shell moving fermion is known to present an infrared divergence due to unscreened magnetostatic modes. In this article, introducing a hard thermal loops (HTL) perturbative resummation scheme, we show how things are found at variance with respect to the ordinary resummation program results. (C) 2000 Academic Press. [References: 39] 收起