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Related papers: Quark-hadron phase structure of QCD matter from SU…

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In mean-field approximation, the SU($4$) Polyakov linear - sigma model (PLSM) is constructed in order to characterize the quark-hadron phase structure in a wide range of temperatures and densities. The chiral condensates $\sigma_l$,…

Nuclear Theory · Physics 2016-11-10 Abdel Magied Diab , Azar I. Ahmadov , Abdel Nasser Tawfik , Eiman Abou El Dahab

The Polyakov Quark Meson (PQM) model is extended to SU(4) flavor symmetry by incorporating the charm quark and introducing a finite isospin asymmetry. This model incorporates the light, strange, and charm chiral condensates, along with the…

High Energy Physics - Phenomenology · Physics 2025-09-10 Abdel Magied Diab

The SU($3$) Polyakov linear-sigma model (PLSM) in mean-field approximation is utilized in analyzing the chiral condensates $\sigma_u$, $\sigma_d$, $\sigma_s$ and the deconfinement order parameters $\phi$, $\bar{\phi}$, at finite isospin…

High Energy Physics - Phenomenology · Physics 2019-12-02 Abdel Nasser Tawfik , Abdel Magied Diab , M. T. Ghoneim , H. Anwer

SU($3$) Polyakov linear-sigma model (PLSM) is systematically implemented to characterize the quark-hadron phase structure and to determine various thermodynamic quantities and magnetization of the QCD matter. In mean-field approximation,…

High Energy Physics - Lattice · Physics 2018-03-30 Abdel Nasser Tawfik , Abdel Magied Diab , M. T. Hussein

In mean field approximation, the grand canonical potential of SU(3) Polyakov linear-$\sigma$ model (PLSM) is analysed for chiral phase-transition, $\sigma_l$ and $\sigma_s$ and for deconfinement order-parameters, $\phi$ and $\phi^*$ of…

Nuclear Theory · Physics 2016-11-16 Abdel Nasser Tawfik , Abdel Magied Diab , M. T. Hussein

The QCD phase diagram is studied, at finite magnetic field. Our calculations are based on the QCD effective model, the SU($3$) Polyakov linear sigma model (PLSM), in which the chiral symmetry is integrated in the hadron phase and in the…

High Energy Physics - Phenomenology · Physics 2021-07-05 Abdel Nasser Tawfik , Abdel Magied Diab

The sensitivity of Polyakov Nambu-Jona-Lasinio (PNJL) model as an effective theory of quark dynamics to chiral symmetry has been utilized in studying the QCD phase-diagram. Also, Poyakov linear sigma-model (PLSM), in which information about…

High Energy Physics - Phenomenology · Physics 2015-09-30 Abdel Nasser Tawfik , Niseem Magdy

Some recent theoretical developments of the QCD phase diagram are summarized. Chiral symmetry restoration and the confinement/deconfinement transition at nonzero temperature and quark densities are analyzed in the framework of an effective…

High Energy Physics - Phenomenology · Physics 2012-11-08 Bernd-Jochen Schaefer , Mathias Wagner

We extend the hadronic SU(3) non-linear sigma model to include quark degrees of freedom. The choice of potential for the Polyakov loop as a function of temperature and chemical potential allows us to construct a realistic phase diagram from…

Solar and Stellar Astrophysics · Physics 2010-04-29 V. A. Dexheimer , S. Schramm

We investigate the phase structure of QCD at finite temperature and light-quark chemical potential. We improve upon earlier results for N_f=2+1 dynamical quark flavors and investigate the effects of charm quarks in an extension to…

High Energy Physics - Phenomenology · Physics 2014-09-05 Christian S. Fischer , Jan Luecker , Christian A. Welzbacher

The Polyakov linear sigma model (PLSM) is used to investigate the respective influence of a finite volume and a magnetic field on the quark-hadron phase boundary in the plane of baryon chemical potential ($\mu_{B}$) vs. temperature ($T$) of…

Nuclear Theory · Physics 2017-01-10 Niseem Magdy , M. Csanád , Roy A. Lacey

The phase diagram at finite temperature and density is investigated in the framework of the Polyakov linear sigma model (PLSM) with three light quark flavors in the mean field approximation. It is found that in the PLSM, the three phase…

High Energy Physics - Phenomenology · Physics 2010-01-28 Hong Mao , Jinshuang Jin , Mei Huang

We study the temperature dependence of the strange and charm quark chemical potentials in the phase diagram of nuclear matter, within a modified and generalized hadron gas model, in order to consider phase transitions and to describe…

High Energy Physics - Phenomenology · Physics 2017-08-23 P. G. Katsas , A. D. Panagiotou , T. Gountras

In characterizing the chiral phase-structure of pseudoscalars ($J^{pc}=0^{-+}$), scalars ($J^{pc}=0^{++}$), vectors ($J^{pc}=1^{--}$) and axial-vectors ($J^{pc}=1^{++}$) meson states and their dependence on temperature, chemical potential,…

High Energy Physics - Phenomenology · Physics 2019-04-09 Abdel Nasser Tawfik , Abdel Magied Diab , T. M. Hussein

We investigate the effect of charm quark on the chiral phase transition of light quarks at finite temperature based on the four-flavor soft-wall holographic QCD model. In the massless limit, we find that the thermal chiral phase transition…

High Energy Physics - Phenomenology · Physics 2024-12-03 Hiwa A. Ahmed , Mamiya Kawaguchi , Mei Huang

We investigate chiral and deconfinement transitions in the framework of the strong coupling lattice QCD for color SU(3) with one species of unrooted staggered fermion at finite temperature and quark chemical potential. We take account of…

High Energy Physics - Lattice · Physics 2011-02-28 Takashi Z. Nakano , Kohtaroh Miura , Akira Ohnishi

We study the effect of rotation on the confining and chiral properties of QCD using the Polyakov-enhanced linear sigma model coupled to quarks. Working in the homogeneous approximation, we obtain the phase diagram at finite temperature,…

Nuclear Theory · Physics 2026-04-15 Pracheta Singha , Sergiu Busuioc , Victor E. Ambrus , Maxim N. Chernodub

The temperature dependence of quark and gluon condensates in QCD as precursor of the chiral and deconfining phase transition is modelled with a conformally extended non-linear sigma-model including broken chiral and scale invariance. The…

High Energy Physics - Phenomenology · Physics 2009-10-30 N. O. Agasian , D. Ebert , E. -M. Ilgenfritz

In framework of linear $\sigma$-model (LSM) with three quark flavors, the chiral phase-diagram at finite temperature and density is investigated. At temperatures higher than the critical temperature ($ T_c $), we added to LSM the gluonic…

High Energy Physics - Phenomenology · Physics 2015-06-23 Abdel Nasser Tawfik , Niseem Magdy

The phase diagram of two-color QCD with a chiral chemical potential is studied on the lattice. The focus is on the confinement/deconfinement phase transition and the breaking/restoration of chiral symmetry. The simulations are carried out…

High Energy Physics - Lattice · Physics 2014-11-20 V. V. Braguta , V. A. Goy , E. -M. Ilgenfritz , A. Yu. Kotov , A. V. Molochkov , M. Muller-Preussker , B. Petersson , A. Schreiber
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