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Related papers: The magnetized effective QCD phase diagram

200 papers

We explore the effect of the magnetic field on the QCD phase transition through AdS/CFT correspondence. By introducing an anisotropic magnetic field in the Einstein-Maxwell-Scalar system, a family of analytic solutions is obtained by the…

High Energy Physics - Theory · Physics 2020-05-05 Song He , Yi Yang , Pei-Hung Yuan

We study the QCD phase diagram using the linear sigma model coupled to quarks. We compute the effective potential at finite temperature and quark chemical potential up to ring diagrams contribution. We show that, provided the values for the…

High Energy Physics - Phenomenology · Physics 2018-03-14 Alejandro Ayala , Jorge David Castaño-Yepes , José Antonio Flores , Saúl Hernández , Luis Hernández

We investigate the nature of the phase transition for charged scalars in the presence of a magnetic background for a theory with spontaneous symmetry breaking. We perform a careful treatment of the negative mass squared as a function of the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Alejandro Ayala , Luis Alberto Hernandez , Jesus Lopez , Ana Julia Mizher , Juan Cristobal Rojas , Cristian Villavicencio

The phase diagram and the equation of state of QCD is investigated in the presence of weak background electric fields by means of continuum extrapolated lattice simulations. The complex action problem at nonzero electric field is…

High Energy Physics - Lattice · Physics 2023-09-14 Gergely Endrodi , Gergely Marko

We use the three-flavor Nambu--Jona-Lasinio model, which includes strangeness and quark physical masses in the mean field approximation, to investigate the influence of strong magnetic fields on the QCD phase diagram covering the whole…

High Energy Physics - Phenomenology · Physics 2015-06-04 Sidney S. Avancini , Débora P. Menezes , Marcus B. Pinto , Constança Providência

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

We study the effects of an external magnetic field on thensuperconducting phase diagram of a quasi-two-dimensional system of Dirac electrons at an arbitrary temperature. At zero temperature, there is a quantum phase transition connecting a…

Superconductivity · Physics 2020-10-14 E. C. Marino , Lizardo H. C. M. Nunes

The effect of an external magnetic field on the finite temperature transition of QCD is studied. We measure thermodynamic observables including the quark condensates and susceptibilities and the strange quark number susceptibility. We…

High Energy Physics - Lattice · Physics 2011-11-23 G. S. Bali , F. Bruckmann , G. Endrodi , Z. Fodor , S. D. Katz , S. Krieg , A. Schafer , K. K. Szabo

We explore the restoration of chiral symmetry in the linear sigma model coupled to quarks under the influence of strong magnetic fields and finite temperature, incorporating screening effects through ring diagrams. While previous studies…

High Energy Physics - Phenomenology · Physics 2025-10-06 Gabriela Fernández , Luis A. Hernández , Ana Mizher

We study the physical mechanism of how an external magnetic field influences the QCD quark condensate. Two competing mechanisms are identified, both relying on the interaction between the magnetic field and the low quark modes. While the…

High Energy Physics - Lattice · Physics 2015-06-15 F. Bruckmann , G. Endrodi , T. G. Kovacs

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

Our research delves into the QCD phase diagram in the temperature $T$ and quark chemical potential $\mu$ plane. We use a unique confining contact interaction effective model of quark dynamics that maintains the QCD symmetry intact. By…

High Energy Physics - Phenomenology · Physics 2023-08-28 Aftab Ahmad , Muhammad Azher , Alfredo Raya

We study the $T {-} {\mu}$ phase diagram of quark matter under the influence of a strong uniform magnetic field in the framework of a nonlocal extension of the Polyakov Nambu Jona Lasinio model (PNJL). The existence of a critical end point…

High Energy Physics - Phenomenology · Physics 2023-10-10 J. P. Carlomagno , S. A. Ferraris , D. Gómez Dumm , A. G. Grunfeld

In order to study the temperature dependence of the quark-hadron phase structure and the QCD equation of state in vanishing and finite magnetic field, the SU(3) Polyakov linear-sigma model is utilized. In mean field approximation, the…

High Energy Physics - Lattice · Physics 2017-02-06 Abdel Magied Abdel Aal Diab , Abdel Nasser Tawfik , M. T. Hussein

The phenomenon of magnetic catalysis of chiral symmetry breaking in the quantum chromodynamic theory in the framework of logarithmic quark sigma model is studied. Thermodynamic properties are calculated in the mean-field approximation such…

High Energy Physics - Phenomenology · Physics 2018-01-23 M. Abu-Shady

In this paper, we study the effects of vorticity on the QCD phase transition using the Linear Sigma Model coupled to quarks. By going beyond the mean-field approximation and incorporating screening effects via ring diagrams, we explore the…

High Energy Physics - Phenomenology · Physics 2024-10-24 Luis A. Hernández , R. Zamora

The thermo-magnetic corrections to the quark-gluon vertex in the presence of a weak magnetic field are calculated in the frame of the Hard Thermal Loop approximation. The vertex satisfies a QED-like Ward identity with the quark self-energy…

High Energy Physics - Phenomenology · Physics 2015-09-23 Alejandro Ayala , J. J. Cobos-Martinez , M. Loewe , Maria Elena Tejeda-Yeomans , R. Zamora

We construct the effective potential for a QCD-like theory using the auxiliary field method. The chiral phase transition exhibited by the model at finite temperature and the quark chemical potential is studied from the viewpoint of the…

High Energy Physics - Phenomenology · Physics 2016-09-06 Y. Hashimoto , Y. Tsue , H. Fujii

The QCD phase diagram at zero chemical potential and finite temperature subject to an external magnetic field is studied within the three flavor Nambu--Jona-Lasinio (NJL) model and the NJL model with the Polyakov loop (PNJL). A scalar…

High Energy Physics - Phenomenology · Physics 2014-06-25 M. Ferreira , P. Costa , O. Lourenço , T. Frederico , C. Providência

The QCD transition from a hadronic to a quark-gluon plasma phase is a cross-over at vanishing/small baryo-chemical potential, while at higher chemical potentials it is argued that it becomes of first order, ending with a critical end-point.…

High Energy Physics - Phenomenology · Physics 2020-12-30 M. Motta , W. M. Alberico , A. Beraudo , P. Costa , R. Stiele