Transport properties of hot gluonic matter
Marcus Bluhm (SUBATECH, Nantes & CERN), Marlene Nahrgang (SUBATECH,, Nantes & FIAS)
TL;DR
This paper investigates how the jet quenching parameter varies with temperature in hot gluonic matter, revealing a maximum near the transition temperature and indicating strong coupling effects.
Contribution
It introduces a quasiparticle model to analyze the temperature dependence of the jet quenching parameter in gluonic matter, highlighting a significant maximum near the transition point.
Findings
Maximum in the scaled jet quenching parameter near transition temperature
Ratio of scaled jet quenching parameter to inverse shear viscosity exceeds weak coupling values
Indicates strong coupling effects in hot gluonic matter
Abstract
We discuss the temperature dependence of the scaled jet quenching parameter of hot gluonic matter within a quasiparticle approach. A pronounced maximum in the vicinity of the transition temperature is observed, where the ratio of the scaled jet quenching parameter and the inverse specific shear viscosity increases above typical values for weakly coupled systems.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions · Superconductivity in MgB2 and Alloys