Non-commutative Holographic QCD and Jet Quenching Parameter

TL;DR

This paper uses gauge/gravity duality to analyze how noncommutativity influences the jet quenching parameter in a holographic QCD model, revealing phase-dependent effects and temperature sensitivity.

Contribution

It provides the first computation of jet quenching in a noncommutative holographic QCD model, highlighting phase differences and temperature effects.

Findings

Jet quenching parameter is zero in the confined phase.

Noncommutativity reduces the jet quenching parameter in the deconfined phase.

The correction is more significant at higher temperatures.

Abstract

Using gauge/gravity duality, we compute jet quenching parameter in confined and deconfined phases of noncommutative Sakai-Sugimoto model. In the confined phase jet quenching parameter is zero and noncommutativity does not affect it. In deconfined phase we find that the leading correction is negative i.e. it reduces the magnitude of the jet quenching parameter as compared to its value in commutative background. Moreover it is seen that the effect of leading correction is more pronounced at high temperatures