Chiral Quark Models and Their Applications

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: 31 March 2027 | Viewed by 378

Special Issue Editors


E-Mail Website
Guest Editor
1. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz, Buenos Aires 2290, Argentina
2. Departamento de Física, Comisión Nacional de Energía Atómica, Av. Libertador 8250, Buenos Aires 1429, Argentina
Interests: chiral effective models; finite temperature and density; QCD phase diagram; compact objects; magnetic fields
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. Instituto de Física La Plata (CONICET-UNLP), Buenos Aires, Argentina
2. Departamento de Física, Facultad de Ciencias Exactas, UNLP, Buenos Aires, Argentina
Interests: dense matter; effective models; neutron stars; compact star oscillations; gravitational waves; QCD phase transitions

E-Mail Website
Guest Editor
1. Institute of Nuclear Physics, Polish Academy of Sciences, 31-342 Cracow, Poland
2. Facultad de Ciencias Físico Matemáticas, U.A.N.L., San Nicolás de los Garza 66455, Mexico
Interests: dense matter; neutron stars; compact star oscillations; gravitational waves; QCD phase transitions; alternative theories of gravity; astrophysical neutrinos and cosmic rays
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, entitled “Chiral Quark Models and Their Applications”, is devoted to recent advances in effective approaches to low-energy Quantum Chromodynamics (QCD), with a particular focus on chiral symmetry and its role in the dynamics of strongly interacting matter. A variety of effective models—including the Nambu–Jona-Lasinio (NJL) model and its extensions, linear and nonlinear sigma models, quark–meson models, and Dyson–Schwinger approaches, among others—have proven essential for understanding spontaneous chiral symmetry breaking, meson properties, and the rich structure of the QCD phase diagram.

We invite contributions that address theoretical developments, phenomenological applications, and comparisons with results from lattice QCD and experimental data. Topics of interest include, but are not limited to, the following: chiral symmetry breaking and restoration, hadron properties, QCD thermodynamics at finite temperature and density, phase transitions and critical phenomena, color superconductivity, the effects of external magnetic fields, and isospin–asymmetric matter.

By providing insight into a broad spectrum of effective models and techniques, this Special Issue aims to highlight their relevance and impact in tackling fundamental questions in the physics of strong interactions and the behavior of hadronic and quark matter under extreme conditions.

Dr. Ana Gabriela Grunfeld
Dr. Gustavo Contrera
Prof. Dr. David Alvarez Castillo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nonperturbative QCD
  • chiral quark models
  • effective field theories
  • LQCD
  • chiral symmetry breaking and restoration
  • Nambu–Jona-Lasinio model and extensions
  • quark-meson models
  • linear sigma model
  • thermodynamics of strongly interacting matter
  • QCD phase diagram
  • color superconductivity
  • meson properties
  • Isospin asymmetric matter
  • external magnetic fields
  • Dyson-Schwinger equations
  • neutron stars and compact objects
  • non-extensive statistics
  • applications to relativistic heavy ion collisions

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

36 pages, 1310 KB  
Article
Chiral Quark Soliton Model and Nucleon Parton Distribution Functions
by Masashi Wakamatsu
Symmetry 2026, 18(6), 892; https://doi.org/10.3390/sym18060892 - 24 May 2026
Abstract
The chiral quark soliton model (CQSM) is an effective quark model of baryons maximally taking account of the most important feature of low-energy QCD, i.e., the spontaneous chiral symmetry breaking of the QCD vacuum and the associated appearance of Nambu–Goldstone pions. It shares [...] Read more.
The chiral quark soliton model (CQSM) is an effective quark model of baryons maximally taking account of the most important feature of low-energy QCD, i.e., the spontaneous chiral symmetry breaking of the QCD vacuum and the associated appearance of Nambu–Goldstone pions. It shares many common features with the famous Skyrme model in that the baryons are viewed as rotating hedgehog objects in both models. Despite many similarities, it turned out that the CQSM can give more realistic predictions on most baryon observables. Above all, a decisive advantage of the CQSM over the Skyrme-like models is that it can handle non-local quark–quark correlations in baryons, which is absolutely impossible within the framework of effective meson theories. This feature is decisively important for making theoretical predictions on the quark distribution functions inside the nucleon, which are defined as nucleon matrix elements of bilinear quark operators with light-cone separation. In the present paper, we try to elucidate why and how the CQSM can give successful predictions for a variety of types of nucleon quark distribution functions, especially for the flavor asymmetry of the unpolarized and longitudinally polarized sea-quark (anti-quark) distribution functions in the nucleon. Full article
(This article belongs to the Special Issue Chiral Quark Models and Their Applications)
Back to TopTop