Running coupling and screening in the (s)QGP

2006/01/16 by A. Peshier, Peshier, A.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/0601119

extended discussion, results unchanged

arxiv created 2006/01/27 · arxiv updated 2009/12/01

Abstract

Emphasizing the importance of renormalization in the context of thermal field theory in general, it is pointed out that the Debye mass in the hot quark gluon plasma is determined by the coupling at the scale m_D, not T as commonly presumed. The mended result agrees quantitatively with lattice QCD calculations in the strong coupling regime almost down to T_c.

Related

• The QCD Running Coupling at Finite Temperature and Density
• Weak-coupling techniques for the thermodynamics of the quark-gluon plasma
• Quark antiquark energies and the screening mass in a Quark-Gluon plasma at low and high temperatures
• Strongly Coupled Quark-Gluon Plasma: Equation of State near Tc
• Gauge-Invariant Renormalization Group at Finite Temperature and Debye Screening