English
Related papers

Related papers: Strong magnetic fields in nonlocal chiral quark mo…

200 papers

Magnetic effects on chiral phase transition have been investigated in a modified soft-wall AdS/QCD model, in which the dilaton field is taken to be negative at the ultraviolet region and positive at the infrared region as in…

High Energy Physics - Theory · Physics 2017-03-08 Danning Li , Mei Huang , Yi Yang , Pei-Hung Yuan

We report on the first observation of magnetic catalysis at zero temperature in a fully nonperturbative simulation of the graphene effective field theory. Using lattice gauge theory, a nonperturbative analysis of the theory of…

High Energy Physics - Lattice · Physics 2016-12-28 Carleton DeTar , Christopher Winterowd , Savvas Zafeiropoulos

Considering the density wave of scalar and pseudoscalar condensates, we study the response of quark matter to a weak external magnetic field. In an external magnetic field, the energy spectrum of the lowest Landau level becomes asymmetric…

High Energy Physics - Phenomenology · Physics 2015-10-21 Ryo Yoshiike , Kazuya Nishiyama , Tositaka Tatsumi

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 evaluate the dressed Polyakov loop for hot quark matter in strong magnetic field. To compute the finite temperature effective potential, we use the Polyakov extended Nambu-Jona Lasinio model with eight-quark interactions taken into…

High Energy Physics - Phenomenology · Physics 2014-11-21 Raoul Gatto , Marco Ruggieri

The decrease of the chiral pseudocritical temperature $T_{\mathrm{pc}}$ with an applied strong magnetic field has been extensively investigated by various QCD low-energy effective models and lattice QCD at physical point. We find that this…

High Energy Physics - Phenomenology · Physics 2025-05-26 Yuanyuan Wang , Mamiya Kawaguchi , Shinya Matsuzaki , Akio Tomiya

The phase diagram of strong interaction matter is analyzed utilizing the Nambu--Jona-Lasinio model. Special emphasis is placed on its dependence on an external magnetic field and isospin chemical potential. Using flavor mixing induced by…

High Energy Physics - Phenomenology · Physics 2017-03-22 Stefan Rechenberger

The phase structure of the Polyakov loop-extended chiral quark-meson model is explored in a nonperturbative approach, beyond a mean-field approximation, in the presence of a magnetic field. We show that by including meson fluctuations one…

High Energy Physics - Phenomenology · Physics 2013-05-30 V. Skokov

We study the influence of external electric, $E$, and magnetic, $B$, fields parallel to each other, and of a chiral chemical potential, $\mu_5$, on the chiral phase transition of Quantum Chromodynamics. Our theoretical framework is a…

High Energy Physics - Phenomenology · Physics 2016-12-14 M. Ruggieri , Z. Y. Lu , G. X. Peng

Based on the two-flavor NJL model with Tsallis non-extensive statistics, this work explores the QCD phase structure and thermodynamic properties under strong magnetic fields and chiral imbalance. The Tsallis parameter $q$ captures…

High Energy Physics - Phenomenology · Physics 2026-05-25 Xiang-Qiong Liu , Sheng-Qin Feng

We investigate the properties of hot and/or dense matter in QCD-like theories with quarks in a (pseudo)real representation of the gauge group using the Nambu-Jona-Lasinio model. The gauge dynamics is modeled using a simple lattice spin…

High Energy Physics - Phenomenology · Physics 2015-03-17 Tian Zhang , Tomas Brauner , Dirk H. Rischke

We consider a two flavor Polyakov--Nambu--Jona-Lasinio (PNJL) model where the Lagrangian includes an interaction term that explicitly breaks the U$_A(1)$ anomaly. At finite temperature, the restoration of chiral and axial symmetries,…

High Energy Physics - Phenomenology · Physics 2012-02-21 M. C. Ruivo , M. Santos , Pedro Costa , C. A. de Sousa

We extend the Polyakov-loop improved Nambu--Jona-Lasinio (PNJL) model to 2+1 flavor case to study the chiral and deconfinement transitions of strongly interacting matter at finite temperature and nonzero chemical potential. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei-jie Fu , Zhao Zhang , Yu-xin Liu

The recently discovered inverse magnetic catalysis around the critical temperature indicates that some important information is missing in our current understanding of conventional chiral dynamics of QCD, which is enhanced by the magnetic…

High Energy Physics - Phenomenology · Physics 2013-09-11 Jingyi Chao , Pengcheng Chu , Mei Huang

Spontaneous magnetization and magnetic susceptibility originated from the pseudovector-type four-point interaction between quarks are calculated in quark matter with zero temperature and finite quark chemical potential by using the…

High Energy Physics - Phenomenology · Physics 2018-05-23 M. Morimoto , Y. Tsue , J. da Providencia , C. Providencia , M. Yamamura

The chiral symmetry breaking in a Nambu-Jona-Lasinio effective model of quarks in the presence of a magnetic field is investigated. We show that new interaction tensor channels open up via Fierz identities due to the explicit breaking of…

Nuclear Theory · Physics 2014-11-11 Efrain J. Ferrer , Vivian de la Incera

Non-Perturbative Quantum Field Theory has played an important role in the study of phenomena where a fermion condensate can appear under certain physical conditions. The familiar phenomenon of electric superconductivity, the color…

High Energy Physics - Phenomenology · Physics 2015-05-18 Vivian de la Incera

A nonlocal chiral quark model is consistently extended beyond mean field using a strict 1/Nc expansion scheme. The parameters of the nonlocal model are refitted so that the physical values of the pion mass and the weak pion decay constant…

High Energy Physics - Phenomenology · Physics 2015-03-17 A. E. Radzhabov , D. Blaschke , M. Buballa , M. K. Volkov

We determine the baryon spectrum of 1 + 1 + 1-flavor QCD in the presence of strong background magnetic fields using lattice simulations at physical quark masses for the first time. Our results show a splitting within multiplets according to…

High Energy Physics - Lattice · Physics 2019-09-04 Gergely Endrődi , Gergely Markó

The effect of an external (electro)magnetic field on the finite temperature transition of QCD is studied. We generate configurations at various values of the quantized magnetic flux with $N_f=2+1$ flavors of stout smeared staggered quarks,…

High Energy Physics - Lattice · Physics 2012-02-29 G. S. Bali , F. Bruckmann , G. Endrodi , Z. Fodor , S. D. Katz , S. Krieg , A. Schafer , K. K. Szabo