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We follow Quark-gluon transport theory and analyse singularities of the ultra-relativistic and spherical expanding quark-gluon plasma. Within the linearized QCD oscillations and instabilities of the ultra-relativistic and spherical…

We propose a method to determine the total magnetic susceptibility of strongly interacting matter by lattice QCD simulations, and present first numerical results for the theory with two light flavors, which suggest a weak magnetic activity…

High Energy Physics - Lattice · Physics 2013-11-19 Claudio Bonati , Massimo D'Elia , Marco Mariti , Francesco Negro , Francesco Sanfilippo

It is commonly understood that the strong magnetic field produced in heavy ion collisions is short-lived. The electric conductivity of the quark-gluon plasma is unable to significantly extend the life time of magnetic field. We propose an…

High Energy Physics - Phenomenology · Physics 2024-12-30 Lihua Dong , Shu Lin

We discuss quark antiquark energies and the screening mass in hot QCD using the non-perturbative lattice approach. For this purpose we analyze properties of quark antiquark energies and entropies at infinitely large separation of the quark…

High Energy Physics - Lattice · Physics 2007-05-23 O. Kaczmarek , F. Zantow

A quasiparticle model of the quark-gluon plasma is compared with lattice QCD data for purely imaginary chemical potential. Net quark number density, susceptibility as well as the deconfinement border line in the phase diagram of strongly…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Bluhm , B. Kampfer

We calculate the energy and hydrostatic pressure densities of a hot quark-gluon plasma in thermal equilibrium through diagrammatic analyses of the statistical average, $\langle \Theta_{\mu \nu} \rangle$, of the energy-momentum-tensor…

High Energy Physics - Phenomenology · Physics 2016-08-15 Y. Hisamatsu , A. Niégawa

We evaluate the heavy quark momentum diffusion coefficients in a hot magnetized medium for the most general scenario of any arbitrary values of the external magnetic field. We choose to work with the systematic way of incorporating the…

High Energy Physics - Phenomenology · Physics 2024-01-31 Aritra Bandyopadhyay

The effects of a thermalized gas of gluons in a q,q bar plasma is investigated. Then the interplay between Debye screening and confinement is analyzed in a simplified model. While the one-gluon exchange gives results very similar, but not…

High Energy Physics - Phenomenology · Physics 2007-05-23 Giorgio Calucci , Enrico Cattaruzza

Numerical studies of the bulk properties of the quark-gluon plasma reveal a pronounced drop in pressure $p$ compared to energy density $\e$ as the deconfining temperature is approached from above. We show by general thermodynamic reasoning…

High Energy Physics - Phenomenology · Physics 2009-11-10 Daniel Zwanziger

A non-perturbative method of Field Correlators (FCM) is applied to study speed of sound in quark-gluon plasma at temperatures above the deconfinement transition 1<T/T_c<3 (Tc=160 MeV) under a uniform magnetic field up to eB ~ 1 GeV^2. The…

High Energy Physics - Phenomenology · Physics 2020-09-01 Z. V. Khaidukov , R. A. Abramchuk

Numerical simulations of quantum chromodynamics at nonzero temperature provide information from first principles about the physical properties of the quark gluon plasma. Because the lattice approximation can be refined indefinitely, results…

High Energy Physics - Phenomenology · Physics 2016-11-03 Carleton DeTar

Being interested in how a strongly coupled system approaches asymptotic freedom, we re-examine existing precision lattice QCD results for thermodynamic properties of the gluon plasma in a large temperature range. We discuss and thoroughly…

High Energy Physics - Phenomenology · Physics 2017-04-05 G. Jackson , A. Peshier

In this work I explore theoretical and phenomenological implications of chemical potentials and charge densities inside a strongly coupled thermal plasma, using the gauge/gravity correspondence. Strong coupling effects discovered in this…

High Energy Physics - Theory · Physics 2009-07-22 Matthias Kaminski

Quark-Gluon Plasma (QGP), a QCD state of matter created in ultra-relativistic heavy-ion collisions, has remarkable properties, including, for example, a low shear viscosity over entropy ratio. By detecting the collection of low-momentum…

High Energy Physics - Phenomenology · Physics 2022-09-20 Liliana Apolinário , Yen-Jie Lee , Michael Winn

Continuum strong QCD is the application of models and continuum quantum field theory to the study of phenomena in hadronic physics, which includes; e.g., the spectrum of QCD bound states and their interactions; and the transition to, and…

Nuclear Theory · Physics 2016-05-25 C. D. Roberts , S. M. Schmidt

We study thermalization of strongly coupled gauge theory plasma in the presence of magnetic field using the AdS/CFT correspondence. We utilize the falling energy-shell model as a holographic description of gauge theory plasma undergoing…

High Energy Physics - Phenomenology · Physics 2015-11-06 Kiminad A. Mamo , Ho-Ung Yee

Surface waves propagating in the semi-bounded collisional hot QCD medium (quark-gluon plasma) are considered. To investigate the effect of collisions as damping and non-ideality factor, the longitudinal and transverse dielectric functions…

Plasma Physics · Physics 2020-12-30 K. Baiseitov , Z. A. Moldabekov , D. Blaschke , N. Djienbekov , T. S. Ramazanov

Understanding the properties of the quark-gluon plasma (QGP) offers insights into the strong interaction and the conditions of the early universe.Since the QGP cannot be observed directly, its properties must be inferred from the particles…

Nuclear Experiment · Physics 2025-08-20 Somadutta Bhatta

We demonstrate that a Quark-Gluon Plasma (QGP) with a dilute admixture of heavy quarks has, in general, a lower speed of sound than a "pure" QGP without effects from heavy flavors. The change in the speed of sound is sensitive to the…

Nuclear Theory · Physics 2014-11-20 Giorgio Torrieri , Jorge Noronha

We study properties of a gluon plasma above the critical temperature $T_c$ in a generalized quasi-particle approach with a Lorentz spectral function. The model parameters are determined by a fit of the entropy $s$ to lattice QCD data. The…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Peshier , W. Cassing