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Related papers: Delayed Magnetic Catalysis

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The presence of a strong magnetic background can modify the nature and the dynamics of the chiral phase transition at finite temperature: for high enough magnetic fields, comparable to the ones expected to be created in noncentral…

High Energy Physics - Phenomenology · Physics 2009-11-13 Eduardo S. Fraga , Ana Júlia Mizher

In this paper we investigate the influence of a constant external magnetic field on the finite-temperature phase structure and the chiral properties of a simplified lattice model for QCD. We assume an SU(2) gauge symmetry and employ…

High Energy Physics - Lattice · Physics 2012-06-15 E. -M. Ilgenfritz , M. Kalinowski , M. Muller-Preussker , B. Petersson , A. Schreiber

We study the nature of the chiral transition for an effective theory with spontaneous breaking of symmetry, where charged bosons and fermions are subject to the effects of a constant external magnetic field. The problem is studied in terms…

High Energy Physics - Phenomenology · Physics 2014-07-02 Alejandro Ayala , Luis Alberto Hernandez , Ana Julia Mizher , Juan Cristobal Rojas , Cristian Villavicencio

The effect of quark anomalous magnetic moment (AMM) to chiral restoration and deconfinement phase transitions in baryon chemical potential-temperature $(\mu_B-T)$ plane under magnetic fields is investigated in frame of a Pauli-Villars…

Nuclear Theory · Physics 2022-09-07 Shijun Mao

We study the impact of a finite magnetic field on the deconfinement phase transition for heavy quarks by computing the fluctuations of the Polyakov loops. It is demonstrated that the explicit Z(3) breaking field increases with the magnetic…

High Energy Physics - Phenomenology · Physics 2020-08-27 Pok Man Lo , Michal Szymanski , Chihiro Sasaki , Krzysztof Redlich

We study dynamical chiral symmetry breaking for quarks in the fundamental representation of $SU(N_c)$ for $N_f$ number of light quark flavors. We also investigate the phase diagram of quantum chromodynamics at finite temperature $T$ and/or…

High Energy Physics - Phenomenology · Physics 2021-07-07 Aftab Ahmad , Adnan Bashir , Marco A. Bedolla , J. J. Cobos-Martínez

In the presence of a chemical potential, the effect of a magnetic field on chiral symmetry breaking goes beyond the well-known magnetic catalysis. Due to a subtle interplay with the chemical potential, the magnetic field may work not only…

High Energy Physics - Phenomenology · Physics 2015-06-11 Florian Preis , Anton Rebhan , Andreas Schmitt

Topological charge changing transitions can induce chirality in the quark-gluon plasma by the axial anomaly. We study the equilibrium response of the quark-gluon plasma in such a situation to an external magnetic field. To mimic the effect…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kenji Fukushima , Dmitri E. Kharzeev , Harmen J. Warringa

In this chapter, we discuss several aspects of the theory of strong interactions in presence of a strong magnetic background. In particular, we summarize our results on the effect of the magnetic background on chiral symmetry restoration…

High Energy Physics - Phenomenology · Physics 2015-06-05 Raoul Gatto , Marco Ruggieri

We study the deconfinement phase transition in $ (2+1) $-dimensional holographic $ SU(N) $ gauge theories in the presence of an external magnetic field from the holographic hard and soft wall models. We obtain exact solutions for the…

High Energy Physics - Theory · Physics 2018-06-08 Diego M. Rodrigues , Eduardo Folco Capossoli , Henrique Boschi-Filho

We discuss the phenomenon of (inverse) magnetic catalysis for both the deconfinement and chiral transition. We discriminate between the hard and soft wall model, which we suitably generalize to include a magnetic field. Our findings show a…

High Energy Physics - Theory · Physics 2017-04-05 David Dudal , Diego Rocha Granado , Thomas G. Mertens

A range of quantum field theoretical phenomena driven by external magnetic fields and their applications in relativistic systems and quasirelativistic condensed matter ones, such as graphene and Dirac/Weyl semimetals, are reviewed. We start…

High Energy Physics - Phenomenology · Physics 2015-04-13 Vladimir A. Miransky , Igor A. Shovkovy

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

The effect of the anomalous magnetic moment (AMM) on the chiral restoration is investigated at zero temperature in the strong magnetic fields with the vacuum magnetic regularization scheme. It is shown that the chiral restoration diagram…

High Energy Physics - Phenomenology · Physics 2023-01-02 Rui He , Xin-Jian Wen

Working in the linear sigma model with quarks, we compute the finite-temperature effective potential in the presence of a weak magnetic field, including the contribution of the pion ring diagrams and considering the sigma as a classical…

High Energy Physics - Phenomenology · Physics 2014-11-18 Alejandro Ayala , Adnan Bashir , Alfredo Raya , Angel Sánchez

The deconfinement and chiral phase transitions are studied in the context of the electrized quark matter at finite temperature in the two-flavor Polyakov-Nambu--Jona-Lasinio model. Using the mean field approximation and an electric field…

High Energy Physics - Phenomenology · Physics 2020-02-14 William R. Tavares , Ricardo L. S. Farias , Sidney S. Avancini

The large N_c N=4 gauge theory with quenched N=2 quark matter in the presence of a magnetic field displays chiral symmetry breaking. We study the temperature and chemical potential dependence of this theory using its gravity dual (based on…

High Energy Physics - Theory · Physics 2010-06-14 Nick Evans , Astrid Gebauer , Keun-Young Kim , Maria Magou

We study analytically the chiral phase transition for hot quark matter in presence of a strong magnetic background, focusing on the existence of a critical point at zero baryon chemical potential and nonzero magnetic field. We build up a…

High Energy Physics - Phenomenology · Physics 2015-06-15 Marco Ruggieri , Motoi Tachibana , Vincenzo Greco

We study the relation of confinement and chiral symmetry breaking in gauge theories with non-trivial center, such as SU(N) gauge theories. To this end, we deform these gauge theories by introducing an additional control parameter into the…

High Energy Physics - Phenomenology · Physics 2012-05-08 Jens Braun , Tina K. Herbst

We discuss some recent results obtained in the study of strong quark-antiquark interactions in the presence of intense external magnetic fields by means of lattice QCD simulations. We confirm previous findings and show that both at zero and…

High Energy Physics - Lattice · Physics 2017-02-21 Claudio Bonati , Massimo D'Elia , Marco Mariti , Michele Mesiti , Francesco Negro , Andrea Rucci , Francesco Sanfilippo