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Related papers: Dense Quark-Gluon Plasma in strong magnetic fields

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In this proceeding we present our first results of the study of the QCD Equation of State at non-zero baryon density and in external magnetic field. We focused on the first three non-vanishing expansion coefficients of pressure in chemical…

High Energy Physics - Lattice · Physics 2022-04-13 N. Yu. Astrakhantsev , V. V. Braguta , N. V. Kolomoyets , A. Yu. Kotov , A. A. Roenko

We present a unified description of the high temperature phase of QCD, the so-called quark-gluon plasma, in a regime where the effective gauge coupling $g$ is sufficiently small to allow for weak coupling calculations. The main focuss is…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jean-Paul Blaizot , Edmond Iancu

It has long been known that QCD undergoes a deconfining phase transition at high temperature. One of the consequent features of this new, quark-gluon phase is that hadrons become unbounded. In this talk meson correlation functions at…

High Energy Physics - Lattice · Physics 2015-03-17 Gert Aarts , Chris Allton , Justin Foley , Simon Hands , Seyong Kim

We investigate the Mott effect for heavy quarkonia due to Debye screening of the heavy quark potential in a plasma of massless quarks and antiquarks. The influence of residual color correlation is investigated by coupling the light quark…

High Energy Physics - Phenomenology · Physics 2009-03-09 Jakub Jankowski , David Blaschke

We study two-color QCD with two flavors of Wilson fermion as a function of quark chemical potential mu and temperature T, for two different lattice spacings and two different quark masses. We find that the quarkyonic region, where the…

High Energy Physics - Lattice · Physics 2020-04-15 Tamer Boz , Pietro Giudice , Simon Hands , Jon-Ivar Skullerud

We study the quark number susceptibility of the hot quark-gluon plasma at zero and non-zero quark number density, using lattice Monte Carlo simulations of an effective theory of QCD, electrostatic QCD (EQCD). Analytic continuation is used…

High Energy Physics - Lattice · Physics 2009-12-15 Ari Hietanen , Kari Rummukainen

As part of an ongoing effort to characterize the high temperature phase of QCD, in a numerical simulation using the staggered fermion scheme, we measure the quark baryon density in the vicinity of a fixed test quark at high temperature and…

High Energy Physics - Lattice · Physics 2008-11-26 Claude Bernard , Thomas A. DeGrand , Carleton DeTar , Steven Gottlieb , Alex Krasnitz , Robert L. Sugar , Douglas Toussaint

The shear viscosity of quark gluon plasma is customarily estimated in the literature using kinetic theory, which, however, is well known to break down for dense interacting systems. Here we propose an alternative theoretical approach based…

High Energy Physics - Phenomenology · Physics 2024-03-01 Alessio Zaccone

We explore the confinement-deconfinement phase transition (PT) of the first order (FO) arising in $SU(N)$ pure Yang-Mills theory, based on Polyakov loop models (PLMs), in light of the induced gravitational wave (GW) spectra. We demonstrate…

High Energy Physics - Phenomenology · Physics 2024-01-31 Zhaofeng Kang , Shinya Matsuzaki , Jiang Zhu

The properties of quantum-chromo dynamics (QCD) nowadays are accessable by lattice QCD calculations at vanishing quark chemical potential $\mu_q$=0 but often lack a transparent physical interpretation. In this review we report about results…

High Energy Physics - Phenomenology · Physics 2016-05-24 Hamza Berrehrah , Elena Bratkovskaya , Thorsten Steinert , Wolfgang Cassing

In order to study the response of the quantum chromodynamic matter to finite electromagnetic fields, we utilize the Polyakov linear - sigma model (PLSM) in mean-field approximation. Due to participants' momentum imbalance and off-center…

Nuclear Theory · Physics 2021-11-29 Abdel Nasser Tawfik

We present a study of charmonia in hot gluonic plasma, for temperatures upto three times the deconfinement transition temperature Tc. q \bar{q} systems with quark masses close to the charm mass and different spin-parity quantum numbers were…

High Energy Physics - Lattice · Physics 2009-11-10 Saumen Datta , Frithjof Karsch , Peter Petreczky , Ines Wetzorke

We present a state-of-the-art determination of the complex valued static quark-antiquark potential at phenomenologically relevant temperatures around the deconfinement phase transition. Its values are obtained from non-perturbative lattice…

High Energy Physics - Lattice · Physics 2015-03-05 Yannis Burnier , Olaf Kaczmarek , Alexander Rothkopf

The effects of high-temperature, dense systems, and strong magnetic fields on Quantum Chromodynamics related phenomena are studied in different perspectives: in the high-temperature and densities, the QCD-phase diagram from the Linear Sigma…

High Energy Physics - Phenomenology · Physics 2021-06-14 Jorge David Castaño-Yepes

The thermodynamics of QCD with sufficiently heavy dynamical quarks can be described by a three-dimensional Polyakov loop effective theory, obtained after a truncated character and hopping expansion. We investigate the resulting phase…

High Energy Physics - Lattice · Physics 2022-12-20 Amine Chabane , Owe Philipsen

A strongly coupled quark-gluon plasma (QGP) of heavy constituent quasi-particles is studied by a path-integral Monte-Carlo method. This approach is a quantum generalization of the model developed by Gelman, Shuryak and Zahed. It is shown…

Nuclear Theory · Physics 2015-03-17 V. S. Filinov , Yu. B. Ivanov , M. Bonitz , P. R. Levashov , V. E. Fortov

We investigate temperature ($T$) dependence of quark number densities ($n_q$) at imaginary and real chemical potential ($\mu$) by using $N_f = 2$ lattice QCD and the hadron resonance gas (HRG) model. Quark number densities are calculated at…

High Energy Physics - Lattice · Physics 2015-06-23 Junichi Takahashi , Hiroaki Kouno , Masanobu Yahiro

The decay of 2-gluon colour singlets in quarks: 2g --> q-qbar +2q-2qbar has been simulated with the Monte-Carlo method, taking into account an effective 1-gluon exchange interaction between the emitted quarks, which was folded with a…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. P. Morsch , P. Zupranski

We review the transport properties of the strongly interacting quark-gluon plasma (QGP) created in heavy-ion collisions at ultrarelativistic energies, i.e. out-of equilibrium, and compare them to the equilibrium properties. The description…

Nuclear Theory · Physics 2021-12-15 Olga Soloveva , Pierre Moreau , Elena Bratkovskaya

In connection with massless two-flavour QCD, we analyse the chiral symmetry restoring phase transition using three distinct gluon-quark vertices and two different assumptions about the long-range part of the quark-quark interaction. In each…

Nuclear Theory · Physics 2014-08-29 Fei Gao , Si-Xue Qin , Yu-Xin Liu , Craig D. Roberts , Sebastian M. Schmidt
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