Equation of State in Non-Zero Magnetic Field
Nada Ezzelarab, Abdel Magied Diab, Abdel Nasser Tawfik (Egyptian Ctr., Theor. Phys., Cairo, WLCAPP, Cairo.)
TL;DR
This paper compares the Polyakov linear-sigma model and Hadron Resonance Gas model in studying the equation of state, pressure, and magnetization under finite magnetic fields, showing good agreement with lattice QCD results.
Contribution
It evaluates and compares two theoretical models against lattice QCD data for the first time in this context.
Findings
Both models agree well with lattice QCD results.
The models effectively describe the hadronic and partonic phases.
Magnetization responses are consistent with lattice calculations.
Abstract
The Polyakov linear-sigma model (PLSM) and Hadron Resonance Gas (HRG) model are considered to study the hadronic and partonic equation(s) of state, the pressure, and response to finite magnetic field, the magnetization. The results are confronted to recent lattice QCD calculations. Both models are in fairly good agreement with the lattice.
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