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We investigate the chiral symmetry restoration/breaking of a dense, magnetized and rotating quark matter within the Nambu Jona-Lasinio model including $N_f=2$ and $N_c=3$ numbers of flavors and colors, respectively. Imposing the spectral…

High Energy Physics - Phenomenology · Physics 2023-06-14 S. M. A. Tabatabaee Mehr , F. Taghinavaz

Chiral symmetry is an important aspect of QCD. Modelling this via the Nambu-Jona-Lasinio model, we construct a complete relativistic transport theory for quarks and mesons. The collision integral is analysed in a systematic 1/N_c…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. P. Klevansky , A. Ogura , P. Rehberg , J. Hüfner

To describe the chiral magnetic effect, the chiral chemical potential $\mu_5$ is introduced to imitate the impact of topological charge changing transitions in the quark-gluon plasma under the influence of an external magnetic field. We…

High Energy Physics - Phenomenology · Physics 2022-10-07 Alexander M. Czajka , Zhong-Bo Kang , Yuxuan Tee , Fanyi Zhao

We consider the quark-meson model with two quark flavors in a constant external magnetic field $B$ at finite temperature $T$ and finite baryon chemical potential $\mu_B$. We calculate the full renormalized effective potential to one-loop…

High Energy Physics - Phenomenology · Physics 2015-05-28 Jens O. Andersen , Rashid Khan

Motivated by the phenomenological scenario of the chiral magnetic effect that can be possibly found in high-energy heavy ion collisions, we study the role of very intense magnetic fields and strong CP violation in the phase structure of…

High Energy Physics - Phenomenology · Physics 2010-02-11 Eduardo S. Fraga , Ana Júlia Mizher

We study the chiral phase transition of the two-flavor Nambu-Jona-Lasinio (NJL) model in a rotating sphere, which includes both rotation and finite size effects. We find that rotation leads to a suppression of the chiral condensate at a…

Nuclear Theory · Physics 2020-04-29 Zheng Zhang , Chao Shi , Xiaofeng Luo , Hong-Shi Zong

We study QED corrections to the chiral symmetry breaking in Nambu-Jona-Lasinio (NJL) model with two flavors of quarks. In the model the isospin symmetry is broken by differences of the current quark masses and the electromagnetic charges…

High Energy Physics - Phenomenology · Physics 2017-08-23 Takahiro Fujihara , Tomohiro Inagaki , Daiji Kimura

We estimate here chiral susceptibility at finite temperature within the framework of the Nambu-Jona-Lasinio model (NJL) using the Wigner function approach. We also estimate it in the presence of chiral chemical potential ($\mu_5$) as well…

High Energy Physics - Phenomenology · Physics 2019-12-04 Arpan Das , Deepak Kumar , Hiranmaya Mishra

The chiral phase transition induced by a charged scalar field is investigated numerically in a lattice fermion-gauge-scalar model with U(1) gauge symmetry, proposed recently as a model for dynamical fermion mass generation. For very strong…

High Energy Physics - Lattice · Physics 2009-10-28 W. Franzki , C. Frick , J. Jersak , X. Q. Luo

We investigate chiral symmetry breaking in strong magnetic fields at finite temperature and densities in a 3 flavor Nambu Jona Lasinio (NJL) model including the Kobayashi Maskawa t-Hooft (KMT) determinant term, using an explicit structure…

High Energy Physics - Phenomenology · Physics 2011-08-08 Bhaswar Chatterjee , Hiranmaya Mishra , Amruta Mishra

In this work corrections to the usual flavor SU(2) Nambu-Jona-Lasinio coupling due to a weak external magnetic field are calculated by considering quark polarization in a (dressed) gluon exchange mechanism for quark interactions. The quark…

High Energy Physics - Phenomenology · Physics 2016-10-26 Fabio L. Braghin

Effect of magnetic field on chiral symmetry breaking in a 3-flavor Nambu Jona Lasinio (NJL) model at finite temperature and densities is considered here using an explicit structure of ground state in terms of quark and antiquark…

High Energy Physics - Phenomenology · Physics 2011-07-26 Bhaswar Chatterjee , Hiranmaya Mishra , Amruta Mishra

The phase diagram of Quantum Chromodynamics (QCD) remains a central topic in high-energy physics. At high temperature and low baryochemical potential, the chiral transition is experimentally observed and theoretically explored to be a…

High Energy Physics - Phenomenology · Physics 2026-03-31 Alejandro Rosas Díaz , Alfredo Raya , C. A. Vaquera Araujo , S. Hernández-Ortiz

A generalization to any dimension of the fermion field transformation which allows to derive the solution of the massless Schwinger model in the path integral framework is identified. New arguments based on this transformation for a…

High Energy Physics - Phenomenology · Physics 2009-10-30 José Luis Cortés , Jorge Gamboa , Luis Velázquez

We have investigated shear viscosity of quark matter in presence of a strong uniform magnetic field background where Nambu-Jona-Lasinio model has been considered to describe the magneto-thermodynamical properties of the medium. In presence…

High Energy Physics - Phenomenology · Physics 2019-09-04 Sabyasachi Ghosh , Bhaswar Chatterjee , Payal Mohanty , Arghya Mukharjee , Hiranmaya Mishra

We study the effect of strong magnetic field on competing chiral and diquark order parameters in a regime of moderately dense quark matter. The inter-dependence of the chiral and diquark condensates through nonperturbative quark mass and…

High Energy Physics - Phenomenology · Physics 2017-02-15 Tanumoy Mandal , Prashanth Jaikumar

We study QED corrections to chiral symmetry breaking in the Nambu--Jona-Lasinio (NJL) model with two flavors of quarks. In this model, the isospin symmetry is broken by the differences between the current quark masses and the…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Fujihara , T. Inagaki , D. Kimura

In the present work we use the mean field approximation to investigate quark matter described by the su(3) Nambu-Jona-Lasinio model subject to a strong magnetic field. We consider two cases: pure quark matter and quark matter in…

Nuclear Theory · Physics 2009-12-31 D. P. Menezes , M. Benghi Pinto , S. S. Avancini , C. Providencia

In this talk attention is drawn to thermal properties due to the addition of eight quark interactions in the standard $SU(3)\times SU(3)$ chiral Nambu-Jona-Lasinio model (NJL) with 't Hooft interaction (NJLH). The schematic SU(3) flavor…

High Energy Physics - Phenomenology · Physics 2009-10-14 B. Hiller , A. A. Osipov , J. Moreira , A. H. Blin

We study the chiral phase transition of quark matter under rotation in two-flavor Nambu--Jona-Lasinio (NJL) model. It is found that, in the rotating frame, the angular velocity plays the similar role as the baryon chemical potential and…

High Energy Physics - Phenomenology · Physics 2019-02-06 Xinyang Wang , Minghua Wei , Zhibin Li , Mei Huang