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Related papers: PNJL model at zero temperature: three-flavor case

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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

We investigate the phase diagram of the so-called Polyakov--Nambu--Jona-Lasinio (PNJL) model at finite temperature and nonzero chemical potential. The calculations are performed in the light and strange quark sectors ($u$, $d$, $s$), which…

High Energy Physics - Phenomenology · Physics 2015-03-20 P. Costa , C. A. de Sousa , M. C. Ruivo , H. Hansen , O. Oliveira , P. J. Silva

We discuss the isentropic trajectories on the QCD phase diagram in the temperature and the quark chemical potential plane using the Nambu--Jona-Lasinio model with the Polyakov loop coupling (PNJL model). We impose a constraint on the…

High Energy Physics - Phenomenology · Physics 2010-04-14 Kenji Fukushima

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

With the aim of setting constraints for the modeling of the QCD phase diagram, the phase structure of the two-flavor Polyakov-loop extended Nambu and Jona-Lasinio (PNJL) model is investigated in the range of imaginary chemical potentials…

High Energy Physics - Phenomenology · Physics 2011-09-27 Kouji Kashiwa , Thomas Hell , Wolfram Weise

We analyze the features of strongly interacting matter in the presence of nonzero isospin chemical potential $\mu_I$, within a nonlocal two-flavor Polyakov-Nambu-Jona-Lasinio (PNJL) model. For a system at finite temperature $T$, we describe…

High Energy Physics - Phenomenology · Physics 2021-10-27 J. P. Carlomagno , D. Gomez Dumm , N. N. Scoccola

The thermodynamic characteristics of hot $\beta$-equilibrium electrically neutral three-flavor quark matter at neutrino confinement are investigated. For the thermodynamic description of such a quark-lepton system, the local SU (3)…

Nuclear Theory · Physics 2021-11-03 G. S. Hajyan , G. B. Alaverdyan

Investigations of deconfined quark matter within NJL-type models are reviewed, focusing on the regime of low temperatures and ``moderate'' densities, which is not accessible by perturbative QCD. Central issue is the interplay between chiral…

High Energy Physics - Phenomenology · Physics 2009-11-10 Michael Buballa

We estimate the axion properties i.e. its mass, topological susceptibility and the self-coupling within the framework of Polyakov loop enhanced Nambu-Jona-Lasinio (PNJL) model at finite temperature and quark chemical potential. PNJL model,…

High Energy Physics - Phenomenology · Physics 2021-04-14 Arpan Das , Hiranmaya Mishra , Ranjita K. Mohapatra

The phase diagram of a three-flavor Polyakov-loop Nambu-Jona-Lasinio model is analyzed for the case of isospin symmetric matter with color superconducting phases. The coexistence of chiral symmetry breaking and two-flavor color…

High Energy Physics - Phenomenology · Physics 2016-08-30 A. Ayriyan , J. Berdermann , D. Blaschke , R. Lastowiecki

The thermodynamic characteristics of hot $\beta$-equilibrium three-flavor quark matter with neutrino confinement are studied in terms of the local SU(3) Nambu-Jona-Lasinio (NJL) model, which also accounts for the 't Hooft interaction which…

Nuclear Theory · Physics 2022-08-17 G. S. Hajyan , G. B. Alaverdyan

We compare two order parameters for the deconfinement transition, induced by thermal and density effects, commonly used in the literature, namely the thermal and density evolution of the continuum threshold $s_{0}$, within the frame of the…

High Energy Physics - Phenomenology · Physics 2017-09-06 J. P. Carlomagno , M. Loewe

We study the thermodynamics of the Polyakov-Nambu-Jona-Lasinio model considering the effects of an effective chiral chemical potential. We offer a new parametrization of the Polyakov-loop potential depending on temperature and the chiral…

High Energy Physics - Phenomenology · Physics 2024-10-11 Francisco X. Azeredo , Dyana C. Duarte , Ricardo L. S. Farias , Gastão Krein , Rudnei O. Ramos

By using the extrapolation method, a polarized Polykov-loop potential at finite real angular velocity is constructed from the lattice results at finite imaginary angular velocity. The chiral and deconfinement phase transitions under…

High Energy Physics - Phenomenology · Physics 2024-03-19 Fei Sun , Jingdong Shao , Rui Wen , Kun Xu , Mei Huang

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

The color superconductivity was studied with an adaptation of the Nambu and Jona-Lasinio model (NJL). This one was coupled to a Polyakov loop, to form the PNJL model. A $\mu$-dependent Polyakov loop potential was considered. An objective of…

High Energy Physics - Phenomenology · Physics 2017-07-04 Eric Blanquier

The phase diagram at finite temperature and chemical potential for the Polyakov-NJL model with eight quark interactions is reviewed for the SU(3) flavor case.

High Energy Physics - Phenomenology · Physics 2012-04-24 A. H. Blin , J. Moreira , A. A. Osipov , B. Hiller

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

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

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