Thermodynamics of dense hadronic matter in a parity doublet model

2010/05/26 by Chihiro Sasaki, I. N. Mishustin, Igor Mishustin · 1 citation
Physics and Astronomy · #Baryon #Chiral perturbation theory #Chiral symmetry #Condensed matter physics #Hadron #High-Energy Particle Collisions Research #Liquid gas #Mean field theory #Meson #Nuclear matter #Nuclear physics #Nucleon #Parity (physics) #Particle physics #Phase transition #Physics #Pion #Pion decay constant #Quantum Chromodynamics and Particle Interactions #Quantum, superfluid, helium dynamics #Quark #Thermodynamics #hep-ph #nucl-th

paper · pdf · doi:10.1103/physrevc.82.035204

published as Phys.Rev.C82:035204,2010 · 7 pages, 4 figures

arxiv created 2010/05/26 · openalex publication_date 2010/09/10 · arxiv updated 2014/11/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We study thermodynamics of nuclear matter in a two-flavored parity doublet model within the mean-field approximation. Parameters of the model are chosen to reproduce correctly the properties of the nuclear ground state. The model predicts two phase transitions in nuclear matter, a liquid-gas phase transition at normal nuclear density and a chiral transition at higher density. At finite temperature the pion decay constant exhibits a considerable reduction at intermediate values of chemical potential, which is traced back to the presence of the liquid-gas transition, and approaches zero at higher chemical potential associated with the chiral symmetry restoration. A ``transition'' from meson-rich to baryon-rich matter is also discussed.

Citations

• In-medium chiral condensate beyond linear density approximation
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