Interacting and quark matter at finite densities and quark stars

WL Yuan, A Li, Z Miao, B Zuo, Z Bai - Physical Review D, 2022 - APS
The stability and equation of state of quark matter are studied within both two-flavor and (2+
1)-flavor Nambu-Jona-Lasinio (NJL) models including the vector interactions. With a free …

Diquark and chiral condensates in a self-consistent NJL-type model

WL Yuan, J Chao, A Li - Physical Review D, 2023 - APS
In this work, a modified two-flavor Nambu-Jona–Lasinio-type model is utilized, in which the
contact current-current interaction is Fierz-transformed into quark-antiquark interactions and …

A brief review of chiral chemical potential and its physical effects

LK Yang, XF Luo, J Segovia, HS Zong - Symmetry, 2020 - mdpi.com
Nontrivial topological gluon configuration is one of the remarkable features of the Quantum
Chromodynamics (QCD). Due to chiral anomaly, the chiral imbalance between right-and left …

Hybrid stars and the QCD phase transition with an NJL-type model

BJ Zuo, YF Huang, HT Feng - Physical Review D, 2022 - APS
In this paper we introduce a self-consistent mean field approximation to study the QCD
phase transition and the structure of hybrid stars within the framework of an NJL-type model …

Hybrid stars can be self-bound

LQ Su, C Shi, YF Huang, Y Yan, CM Li, H Zong - Physical Review D, 2021 - APS
Based on the properties of uniform nuclear matter at the nuclear saturation density and basic
thermodynamic relations, we first restudy the composition of matter on the surface of normal …

Investigating the competition between the deconfinement and chiral phase transitions in light of the multimessenger observations of neutron stars

WL Yuan, B Gao, Y Yan, B Li, R Xu - arxiv preprint arxiv:2408.05687, 2024 - arxiv.org
We extend the parity doublet model for hadronic matter and study the possible presence of
quark matter inside the cores of neutron stars with the Nambu-Jona-Lasinio (NJL) model …

QCD phase diagram at finite isospin and baryon chemical potentials with the self-consistent mean field approximation

ZQ Wu, JL **, HS Zong - arxiv preprint arxiv:2009.13070, 2020 - arxiv.org
The self-consistent mean field approximation of two-flavor NJL model with introducing a free
parameter $\alpha $ to reflect the competition between" direct" channel and the" exchange" …

The behaviors of the solutions of the quark gap equation in the NJL model with the self-consistent mean field approximation

ZQ Wu, JL **, HS Zong - Modern Physics Letters A, 2021 - World Scientific
In this paper, we use the self-consistent mean field approximation to study the Quantum
Chromodynamics (QCD) phase transition. In the self-consistent mean field approximation of …

Chiral Chemical Potential and Magnetic Effects on QCD Matter in NJL Model with a Self-Consistent Method

J Liu, S Shi - Symmetry, 2022 - mdpi.com
The NJL model of one-flavor quark is employed to study the properties of QCD mater with
finite temperature, external magnetic field, and chiral chemical potential. Through the mean …

Two-flavor color superconductivity in the Fierz-transfromed Nambu--Jona-Lasinio model

WH Cai, QW Wang - arxiv preprint arxiv:2109.02831, 2021 - arxiv.org
The color superconducting phase of two-flavor quark matter is studied under a Fierz-
transformed Lagrangian. In the Fierz-transformed Lagrangian both the quark-antiquark and …