Thermodynamics of AdS/QCD within the 5D dilaton-gravity model
E. Megias, H.J. Pirner, K.Veschgini
TL;DR
This paper investigates the thermodynamic properties of the gluon plasma using a dilaton-gravity model in AdS/QCD, calculating key observables from black hole solutions and comparing results with lattice simulations.
Contribution
It introduces a method to compute finite temperature observables in AdS/QCD using a specific dilaton potential and black hole solutions, with well-defined renormalization.
Findings
Calculated pressure, entropy density, trace anomaly, and speed of sound.
Results show good agreement with lattice QCD data.
Renormalization procedure is well-defined due to asymptotic freedom.
Abstract
We calculate the pressure, entropy density, trace anomaly and speed of sound of the gluon plasma using the dilaton potential of Ref. arXiv:0911.0627[hep-ph] in the dilaton-gravity theory of AdS/QCD. The finite temperature observables are calculated from the Black Hole solutions of the Einstein equations, and using the Bekenstein-Hawking equality of the entropy with the area of the horizon. Renormalization is well defined, because the T=0 theory has asymptotic freedom. Comparison with lattice simulations is made.
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