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Related papers: PNJL model for adjoint fermions

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The nonlocal Polyakov-loop-extended Nambu--Jona-Lasinio (PNJL) model is further improved by including momentum-dependent wave-function renormalization in the quark quasiparticle propagator. Both two- and three-flavor versions of this…

High Energy Physics - Phenomenology · Physics 2011-06-07 Thomas Hell , Kouji Kashiwa , Wolfram Weise

We present a study of correlations among conserved charges like baryon number, electric charge and strangeness in the framework of 2+1 flavor Polyakov loop extended Nambu-Jona-Lasinio model at vanishing chemical potentials, up to fourth…

High Energy Physics - Phenomenology · Physics 2015-03-17 Abhijit Bhattacharyya , Paramita Deb , Anirban Lahiri , Rajarshi Ray

The phase structure of the two-flavor Polyakov-loop extended Nambu-Jona-Lashinio model is explored at finite temperature and imaginary chemical potential with a particular emphasis on the confinement-deconfinement transition. We point out…

High Energy Physics - Phenomenology · Physics 2015-05-28 Kenji Morita , Vladimir Skokov , Bengt Friman , Krzysztof Redlich

The average phase factor of the QCD determinant is evaluated at finite quark chemical potential ({\mu}_q) with the two-flavor version of the Polyakov-loop extended Nambu-Jona-Lasinio (PNJL) model with the scalar-type eight-quark…

High Energy Physics - Phenomenology · Physics 2010-12-13 Yuji Sakai , Takahiro Sasaki , Hiroaki Kouno , Masanobu Yahiro

We extend the Polyakov-Nambu-Jona-Lasinio (PNJL) model for two degenerate flavours by including the effect of the SU(3) measure with a Van der Monde (VdM) term. This ensures that the Polyakov loop always remains in the domain [0,1]. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sanjay K. Ghosh , Tamal K. Mukherjee , Munshi G. Mustafa , Rajarshi Ray

In this work we study the hadron-quark phase transition matching relativistic hadrodynamical mean-field models (in the hadronic phase) with the more updated versions of the Polyakov-Nambu-Jona-Lasinio models (on the quark side). Systematic…

Nuclear Theory · Physics 2014-06-26 O. Lourenço , M. Dutra , A. Delfino , M. Malheiro

A class of Polyakov-loop-modified Nambu--Jona-Lasinio (PNJL) models have been used to support a conjecture that numerical simulations of lattice-regularized quantum chromodynamics (QCD) defined with a chiral chemical potential can provide…

In the framework of nonlocal SU(2) chiral quark models with Polyakov loop, we analyze the dependence of the deconfinement and chiral restoration critical temperatures on the explicit chiral symmetry breaking driven by the current quark…

High Energy Physics - Phenomenology · Physics 2013-05-30 V. Pagura , D. Gómez Dumm , N. N. Scoccola

We discuss the phase structure of the NJL model in curved spacetime with magnetic field using $1/N$-expansion and linear curvature approximation. The effective potential for composite fields $\bar\psi \psi$ is calculated using the…

High Energy Physics - Theory · Physics 2016-09-06 B. Geyer , L. N. Granda , S. D. Odintsov

We incorporate the effective restoration of $U(1)_{\rm A}$ symmetry in the 2+1 flavor entanglement Polyakov-loop extended Nambu--Jona-Lasinio (EPNJL) model by introducing a temperature-dependent strength $K(T)$ to the Kobayashi-Maskawa-'t…

High Energy Physics - Phenomenology · Physics 2016-01-13 Masahiro Ishii , Koji Yonemura , Junichi Takahashi , Hiroaki Kouno , Masanobu Yahiro

The relation between the deconfinement and chiral phase transition is explored in the framework of an Polyakov-loop-extended two-flavor quark-meson (PQM) model. In this model the Polyakov loop dynamics is represented by a background…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bernd-Jochen Schaefer , Jan M. Pawlowski , Jochen Wambach

We investigate the phase transitions characterized by deconfinement and restoration of chiral and axial symmetries,at finite temperature, in the framework of QCD inspired models. We compare the results obtained in the SU(2)…

High Energy Physics - Phenomenology · Physics 2013-05-14 M. C. Ruivo , Pedro Costa , C. A. de Sousa

We obtain the in-medium effective potential of the three-flavor Polyakov-Quark-Meson model as a real function of real variables in the Polyakov loop variable, to allow for the study of all possible minima of the model. At finite quark…

High Energy Physics - Phenomenology · Physics 2013-03-01 Bruno W. Mintz , Rudnei O. Ramos , Juergen Schaffner-Bielich , Rainer Stiele

We investigate the impact of non-Hermiticity on the thermodynamic properties of interacting fermions by examining bilinear extensions to the $3+1$ dimensional $SU(2)$-symmetric Nambu--Jona-Lasinio (NJL) model of quantum chromodynamics at…

High Energy Physics - Phenomenology · Physics 2025-10-23 Alexander Felski , Alireza Beygi , S. P. Klevansky

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

We investigate the phase structure of two-color QCD at both real and imaginary chemical potentials mu, performing lattice simulations and analyzing the data with the Polyakov-loop extended Nambu--Jona-Lasinio (PNJL) model. Lattice QCD…

In an extension of the Nambu-Jona-Lasinio model where the quarks interact with the temporal gluon field, represented by the Polyakov loop, we explore the relation between the deconfinement and chiral phase transitions. The effect of…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Sasaki , B. Friman , K. Redlich

We consider the low energy effective action of QCD below the chiral symmetry breaking scale, including, in Wilson's spirit, all operators of dimensionality less or equal to 6 which can be built with quark and chiral fields. The effect of…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Andrianov , D. Espriu , R. Tarrach

We present some results pertaining quantities which are regarded as good indicators of the pseudo-critical temperatures for the deconfinement and partial chiral restoration transitions using a polynomial form for the Polyakov potential part…

High Energy Physics - Phenomenology · Physics 2013-02-07 João Moreira , Brigitte Hiller , Alexander Osipov , Alex Blin

The mesonic excitations and s-wave pi--pi scattering lengths at finite temperature are studied in the two-flavor Polyakov--Nambu--Jona-Lasinio (PNJL) model. The masses of pi-meson and sigma-meson, pion-decay constant, the pion-quark…

High Energy Physics - Phenomenology · Physics 2014-11-18 Wei-jie Fu , Yu-xin Liu
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