Strong-Interaction Matter under Extreme Conditions from Chiral Quark Models with Nonlocal Separable Interactions

2021/01/12 by D. Gomez Dumm, Daniel Gómez Dumm, J. P. Carlomagno +3
Physics and Astronomy · #Deconfinement #Hadron #High-Energy Particle Collisions Research #Phase (matter) #Phase transition #Pulsars and Gravitational Waves Research #Quantum Chromodynamics and Particle Interactions #Quark #Quark model #Separable space #Strange matter #hep-ph

paper · pdf · doi:10.3390/sym13010121

published as Symmetry 2021, 13(1), 121 · 93 pages, 40 figures

openalex publication_date 2021/01/12 · openalex created_date 2021/01/18 · arxiv created 2021/01/23 · arxiv updated 2021/01/26 · openalex updated_date 2026/08/05

Abstract

We review the current status of the research on effective nonlocal NJL-like chiral quark models with separable interactions, focusing on the application of this approach to the description of the properties of hadronic and quark matter under extreme conditions. The analysis includes the predictions for various hadron properties in vacuum, as well as the study of the features of deconfinement and chiral restoration phase transitions for systems at finite temperature and/or density. We also address other related subjects, such as the study of phase transitions for imaginary chemical potentials, the possible existence of inhomogeneous phase regions, the presence of color superconductivity, the effects produced by strong external magnetic fields and the application to the description of compact stellar objects.

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