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The effect of the higher-order mesonic interactions is investigated on the chiral symmetry breaking in the presence of an external magnetic field. The effective of higher-order mesonic potential is employed and is numerically solved in the…

High Energy Physics - Phenomenology · Physics 2017-07-24 M. Abu-Shady

We study the influence of the chiral phase transition on the chiral magnetic effect. The azimuthal charge-particle correlations as functions of the temperature are calculated. It is found that there is a pronounced cusp in the correlations…

High Energy Physics - Phenomenology · Physics 2015-05-18 Wei-jie Fu , Yu-xin Liu , Yue-liang Wu

We give a numerical simulation of the generation of the magnetic field and the charge-separation signal due to the chiral magnetic effect (CME) --- the induction of an electric current by the magnetic field in a parity-odd matter --- in the…

Nuclear Theory · Physics 2018-03-14 Xu-Guang Huang , Wei-Tian Deng , Guo-Liang Ma , Gang Wang

We consider the energy dependence of the local ${\cal P}$ and ${\cal CP}$ violation in Au+Au and Cu+Cu collisions over a large energy range within a simple phenomenological model. It is expected that at LHC the chiral magnetic effect will…

Nuclear Theory · Physics 2015-05-20 V. D. Toneev , V. Voronyuk

Gluon interaction introduces remarkable corrections to the magnetic polarization effects on the chiral fermions, which is known as the inverse magnetic catalysis. It is a natural speculation that the vorticity, which has many similar…

High Energy Physics - Phenomenology · Physics 2022-11-23 Yin Jiang

Magnetic catalysis is the enhancement of a condensate due to the presence of an external magnetic field. Magnetic catalysis at $T=0$ is a robust phenomenon in low-energy theories and models of QCD as well as in lattice simulations. We…

High Energy Physics - Phenomenology · Physics 2021-06-08 Jens O. Andersen

We study inverse magnetic catalysis in the Nambu--Jona-Lasinio model beyond mean field approximation. The feed-down from mesons to quarks is embedded in an effective coupling constant at finite temperature and magnetic field. While the…

High Energy Physics - Phenomenology · Physics 2016-06-22 Shijun Mao

We investigate the real-time dynamics of the chiral magnetic effect in quantum electrodynamics (QED) and quantum chromodynamics (QCD). We consider a field configuration of parallel (chromo)electric and (chromo)magnetic fields with a weak…

High Energy Physics - Theory · Physics 2015-03-20 Harmen J. Warringa

In this paper, we consider the Einstein-Maxwell-dilaton holographic model for light quarks with nonzero magnetic field and chemical potential. First, we study the phase diagrams in $T-\mu$ and $T-B$ planes. We observe inverse magnetic…

High Energy Physics - Phenomenology · Physics 2024-09-16 Zhou-Run Zhu , Defu Hou

A magnetic field and the resulting Landau degeneracy enhance the infrared contributions to the quark mass gap. The gap does not grow arbitrarily, however, for models of asymptotic free interactions. For B -> infinity, the magnetic field…

High Energy Physics - Phenomenology · Physics 2015-06-12 Toru Kojo , Nan Su

The energy dependence of the local ${\cal P}$ and ${\cal CP}$ violation in Au+Au and Cu+Cu collisions in a large energy range is estimated within a simple phenomenological model. It is expected that at LHC the chiral magnetic effect will be…

Nuclear Theory · Physics 2017-08-23 V. Toneev , V. Voronyuk

With the Schwinger's proper-time formalism of the Nambu-Jona-Lasinio model, we investigate the finite volume effects in the presence of magnetic fields. Since the coupling constant $G$ can be influenced by strong magnetic fields, the model…

High Energy Physics - Phenomenology · Physics 2023-09-27 Shou-Zheng Su , Ye-Yin Zhao , Xin-Jian Wen

The hypothesis that the magnetic catalysis of chiral symmetry breaking is due to interactions of massless fermions in their lowest Landau level is examined in the context of chirally symmetric models with short ranged interactions. It is…

High Energy Physics - Theory · Physics 2009-10-31 G. W. Semenoff , I. A. Shovkovy , L. C. R. Wijewardhana

We study the effect of an external magnetic field on the chiral phase transition in the theory of the strong interaction by means of a renormalization-group (RG) fixed-point analysis, relying on only one physical input parameter, the strong…

High Energy Physics - Phenomenology · Physics 2014-12-19 Jens Braun , Walid Ahmed Mian , Stefan Rechenberger

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 investigate the chiral magnetic effect (CME) under a strong magnetic field B = B_0 x_3 at low temperature T < T^chi_c. For this purpose, we employ the instanton vacuum configuration with the finite instanton-number fluctuation Delta,…

High Energy Physics - Phenomenology · Physics 2010-01-07 Seung-il Nam

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

We study pairing correlations in ultrasmall superconductor in the nanoscopic limit by means of a toy model where electrons are confined in a single, multiply degenerate energy level. We solve the model exactly to investigate the temperature…

Superconductivity · Physics 2009-11-07 O. Bozat , Z. Gedik

Gluon field configurations with nonzero topological charge induce P- and CP-odd effects. Such configurations are likely to be produced during heavy ion collisions. In this article, I will argue that in the intense (electromagnetic) magnetic…

High Energy Physics - Phenomenology · Physics 2009-06-17 Harmen J. Warringa

The catalysis of chiral symmetry breaking in the massless weakly coupled QED in a magnetic field is studied. It is shown that the effect is due to the dimensional reduction $D\to D-2$ in the dynamics of fermion pairing in a magnetic field.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Igor A. Shovkovy
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