Mesonic excitations of QGP: Study with an effective model

2009/01/31 by Paramita Deb, Abhijit Bhattacharyya, Saumen Datta +1 · 33 citations
Physics and Astronomy · #Anomaly (physics) #Condensed matter physics #High-Energy Particle Collisions Research #Particle physics #Particle physics theoretical and experimental studies #Physics #Plasma #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quantum mechanics #Quark #Quark–gluon plasma #Resonance (particle physics) #Spectral function #Zero (linguistics) #hep-ph #nucl-th

paper · pdf · doi:10.1103/physrevc.79.055208

published in Physical Review C 79(5) (American Institute of Physics) · 15pages

openalex publication_date 2009/05/28 · arxiv created 2010/02/01 · arxiv updated 2010/02/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We study the correlations between quark-antiquark pairs in different quantum number channels in a deconfined plasma by using an effective model of QCD. Using the three flavor PNJL model, the finite temperature spectral functions for different mesonic states are studied at zero and nonzero quark chemical potentials. It is found that in the \ensuremathη channel, resonance structures survive above the chiral transition temperature T_\ensuremathχ, while the kaonic states seem to get washed off just above T_\ensuremathχ. The sensitivity of the structures to the anomaly term are carefully investigated.

Citations

• Susceptibilities and speed of sound from the Polyakov-Nambu-Jona-Lasinio model
• Chiral effective model with the Polyakov loop
• Critical point of QCD at finite T and , lattice results for physical quark masses
• Transition temperature in QCD

Cited by

• Vector meson spectral function and dilepton production rate in a hot and dense medium within an effective QCD approach
• Shear viscosity and phase diagram from Polyakov–Nambu–Jona-Lasinio model
• Correlation between conserved charges in Polyakov–Nambu–Jona-Lasinio model with multiquark interactions
• Thermodynamic properties and transport coefficients of QCD matter within the nonextensive Polyakov–Nambu–Jona-Lasinio model