Isospin QCD as a Laboratory for Dense QCD
Abstract
:1. Introduction
2. A Quark–Meson Model at Finite Density: Outline
3. A Quark–Meson Model: Mean Field Treatments
4. Purely Hadronic Descriptions: Tree Level Analyses
4.1. Gap Equations at Tree Level
4.2. Meson Kinetic and Mass Matrices at Tree Level
4.2.1. The Spectra of , , and
4.2.2. The Spectra of
5. Quark Descriptions
5.1. The Structure of the Effective Potential
5.2. The Structure of the Gap Equations
6. Meson Poles at One-Loop: Parameter Fixing
6.1. Meson Poles
6.2. Parameter Fixing
7. Equations of State at Zero Temperature
7.1. High-Density Regime: Conformal Behaviors
7.2. High-Density Regime: Perturbative and Power Corrections
7.3. Quark Saturation
8. Summary
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
QC2D | two-color quantum chromodynamics |
QCDI | isospin QCD |
EOS | equations of state |
–300 MeV | non-perturbative scale in QCD |
nuclear saturation density | |
ChPT | Chiral perturbation theory |
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Set | g | |||||||
---|---|---|---|---|---|---|---|---|
A | 0.27 | 0.50 | 3.0 | 38.1 | 1.2 | |||
B | 0.30 | 0.50 | 3.3 | 42.4 | 1.6 | |||
C | 0.33 | 0.50 | 3.6 | 60.0 | 2.0 |
Set | |||||||
---|---|---|---|---|---|---|---|
A | 0.14 | 0.50 | 0.52 | 0.97 | 0.51 | 0.67 | 0.75 |
B | 0.14 | 0.50 | 0.54 | 0.97 | 0.54 | 0.73 | 0.80 |
C | 0.14 | 0.50 | 0.55 | 0.95 | 0.64 | 0.81 | 0.88 |
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Kojo, T.; Suenaga, D.; Chiba, R. Isospin QCD as a Laboratory for Dense QCD. Universe 2024, 10, 293. https://doi.org/10.3390/universe10070293
Kojo T, Suenaga D, Chiba R. Isospin QCD as a Laboratory for Dense QCD. Universe. 2024; 10(7):293. https://doi.org/10.3390/universe10070293
Chicago/Turabian StyleKojo, Toru, Daiki Suenaga, and Ryuji Chiba. 2024. "Isospin QCD as a Laboratory for Dense QCD" Universe 10, no. 7: 293. https://doi.org/10.3390/universe10070293