The damping rates of ultrasoft quarks are determined in the context of next-to-leading order hard-thermal-loop summed perturbation of high-temperature QCD. Three types of divergent behavior are encountered: infrared, light-cone and at specific points determined by the gluon energies. Only the infrared divergence persists and is logarithmic.
- Hard thermal loops
- Logarithmic infrared sensitivity
- Ultrasoft quark damping
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics
- Astronomy and Astrophysics