HTL approach to the viscosity of quark plasma
P. Czerski, W.M. Alberico, S. Chiacchiera, A. De Pace, H. Hansen, A., Molinari, M. Nardi
TL;DR
This paper evaluates the viscosity of quark-gluon plasma using the HTL approximation, analyzing spectral function contributions and extending the calculation to finite chemical potential.
Contribution
It introduces a detailed HTL-based method to compute quark viscosity, including spectral function analysis and finite chemical potential extension.
Findings
Quantitative estimates of quark viscosity in plasma.
Analysis of spectral function contributions to viscosity.
Extension of calculations to finite chemical potential.
Abstract
The quark viscosity in the quark gluon plasma is evaluated in HTL approximation. The different contributions to the viscosity arising from the various components of the quark spectral function are discussed. The calculation is extended to finite values of the chemical potential.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions · High-pressure geophysics and materials