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Related papers: Thermodynamics of 2+1 Flavor Polyakov-Loop Quark-M…

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We analyse the role of the quark backreaction on the gauge-field dynamics and its impact on the Polyakov-loop potential. Based on our analysis we construct an improved Polyakov-loop potential that can be used in future model studies. In the…

High Energy Physics - Phenomenology · Physics 2013-03-18 Rainer Stiele , Lisa M. Haas , Jens Braun , Jan M. Pawlowski , Juergen Schaffner-Bielich

We report on the status of our QCD thermodynamics project. It is performed on the QCDOC machine at Brookhaven National Laboratory and the APEnext machine at Bielefeld University. Using a 2+1 flavor formulation of QCD at almost realistic…

High Energy Physics - Lattice · Physics 2008-11-26 C. Schmidt , T. Umeda

Thermodynamics of the three-flavor quark-meson model with axial anomaly is studied in the presence of external magnetic fields. The nonperturbative functional renormalization group is employed in order to incorporate quantum and thermal…

High Energy Physics - Phenomenology · Physics 2015-02-26 Kazuhiko Kamikado , Takuya Kanazawa

In this talk we extend the Polyakov-quark-meson model to N_f=2+1 quark flavors and study its bulk thermodynamics at finite temperatures in mean-field approximation. Three different Polyakov-loop potentials are considered. Our findings are…

High Energy Physics - Phenomenology · Physics 2014-11-20 Bernd-Jochen Schaefer , Mathias Wagner , Jochen Wambach

The Polyakov-quark-meson (PQM) model, which combines chiral as well as deconfinement aspects of strongly interacting matter is introduced for three light quark flavors. An analysis of the chiral and deconfinement phase transition of the…

High Energy Physics - Phenomenology · Physics 2010-04-22 Bernd-Jochen Schaefer , Mathias Wagner , Jochen Wambach

We determine the equation of state of 2+1-flavor QCD with physical quark masses, in the presence of a constant (electro)magnetic background field on the lattice. To determine the free energy at nonzero magnetic fields we develop a new…

High Energy Physics - Lattice · Physics 2015-06-19 G. S. Bali , F. Bruckmann , G. Endrodi , S. D. Katz , A. Schafer

The effect of an external (electro)magnetic field on the finite temperature transition of QCD is studied. We generate configurations at various values of the quantized magnetic flux with $N_f=2+1$ flavors of stout smeared staggered quarks,…

High Energy Physics - Lattice · Physics 2012-02-29 G. S. Bali , F. Bruckmann , G. Endrodi , Z. Fodor , S. D. Katz , S. Krieg , A. Schafer , K. K. Szabo

In the present work, we analyse the effects of an external magnetic field on the chiral critical temperature $T_c$ of strongly interacting matter. In doing this, we can characterize the magnetic properties of the quantum chromodynamics…

High Energy Physics - Phenomenology · Physics 2014-07-18 Abdel Nasser Tawfik , Niseem Magdy

We study the temperature dependence of the renormalized Polyakov loop in 2+1 flavor QCD for temperatures T<210 MeV. We extend previous calculations by the HotQCD collaboration using the highly improved staggered quark action and perform a…

High Energy Physics - Lattice · Physics 2013-05-22 A. Bazavov , P. Petreczky

We have studied how the equation of state of thermal QCD with two light flavours is modified in strong magnetic field by calculating the thermodynamic observables of hot QCD matter up to one-loop, where the magnetic field affects mainly the…

High Energy Physics - Theory · Physics 2018-01-17 Shubhalaxmi Rath , Binoy Krishna Patra

We consider the effect of strong external electromagnetic fields on thermodynamic observables in QCD, through lattice simulations with 1+1+1 flavors of staggered quarks at physical quark masses. Continuum extrapolated results are presented…

High Energy Physics - Lattice · Physics 2013-01-25 G. S. Bali , F. Bruckmann , M. Constantinou , M. Costa , G. Endrodi , Z. Fodor , S. D. Katz , S. Krieg , H. Panagopoulos , A. Schafer , K. K. Szabo

We study thermodynamic properties of 2+1 flavor QCD with improved Wilson quarks coupled with the RG improved Iwasaki glue, using the fixed scale approach. We present the results for the equation of state, renormalized Polyakov loop, and…

High Energy Physics - Lattice · Physics 2012-12-07 T. Umeda , S. Aoki , S. Ejiri , T. Hatsuda , K. Kanaya , Y. Maezawa , H. Ohno

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 continue our investigation of 2+1 flavor QCD thermodynamics using dynamical Wilson fermions in the fixed scale approach. Two additional pion masses, approximately 440 MeV and 285 MeV, are added to our previous work at 545 MeV. The…

In nonzero magnetic field, the magnetic properties and thermodynamics of the quantum-chromodynamic (QCD) matter is studied in the hadron resonance gas and the Polyakov linear-sigma models and compared with recent lattice calculations. Both…

High Energy Physics - Phenomenology · Physics 2016-04-05 Abdel Nasser Tawfik , Abdel Magied Diab , Nada Ezzelarab , Asmaa G. Shalaby

The self-consistent quasiparticle model has been successful in studying QCD thermodynamics. In this model, the medium effects are taken into account by considering quarks and gluons as quasiparticles with temperature-dependent masses which…

Nuclear Theory · Physics 2020-06-19 Sebastian Koothottil , Vishnu M. Bannur

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

We study the phase structure of QCD at finite temperature within a Polyakov-loop enhanced quark-meson model. Such a model describes the chiral as well as the confinement-deconfinement dynamics. In the present investigation, based on the…

High Energy Physics - Phenomenology · Physics 2014-04-04 Tina Katharina Herbst , Mario Mitter , Jan M. Pawlowski , Bernd-Jochen Schaefer , Rainer Stiele

Thermodynamics and the phase structure of the Polyakov loop-extended two flavor chiral quark-meson model (PQM) are explored. The analysis of the PQM model is based on the functional renormalization group (FRG) method. An appropriate…

High Energy Physics - Phenomenology · Physics 2014-11-20 V. Skokov , B. Stokic , B. Friman , K. Redlich

Effects of an external magnetic field on the fluctuations of quark number, fluctuations and correlations of conserved charges, including baryon number, electric charge and strangeness, are studied in the 2+1 flavor…

High Energy Physics - Phenomenology · Physics 2015-06-16 Wei-jie Fu
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