Deconfinement and Gluon Plasma Dynamics in Improved Holographic QCD
U.Gursoy, E.Kiritsis, L. Mazzanti, F.Nitti
TL;DR
This paper investigates the finite temperature behavior of pure glue QCD using improved holographic models, revealing a first-order phase transition and thermodynamic properties that align well with lattice results.
Contribution
It provides a detailed analysis of deconfinement and gluon plasma dynamics in improved holographic QCD, including phase transition temperature and thermodynamic quantities.
Findings
First-order Hawking-Page phase transition at T_c = 235 MeV
Thermodynamic quantities match lattice data
Temperature dependence of pressure, entropy, and speed of sound
Abstract
The finite temperature physics of the pure glue sector in the improved holographic QCD model of arXiv:0707.1324 and arXiv:0707.1349 is addressed. The thermodynamics of 5D dilaton gravity duals to confining gauge theories is analyzed. We show that they exhibit a first order Hawking-Page type phase transition. In the explicit background of arXiv:0707.1349, we find T_c = 235 MeV. The temperature dependence of various thermodynamic quantities such as the pressure, entropy and speed of sound is calculated. The results show a good agreement with the corresponding lattice data.
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