English
Related papers

Related papers: Effective equation of state for a spherically expa…

200 papers

We study the dynamics of the chiral phase transition expected during the expansion of the quark-gluon plasma produced in a high energy hadron or heavy ion collision, using the $O(4)$ linear sigma model in the mean field approximation.…

High Energy Physics - Phenomenology · Physics 2008-02-03 Yuval Kluger

We examine the non-equilibrium time evolution of the hadronic plasma produced in a relativistic heavy ion collision, assuming a spherical expansion into the vacuum. We study the $O(4)$ linear sigma model to leading order in a large-$N$…

High Energy Physics - Theory · Physics 2014-11-18 Melissa A. Lampert , John F. Dawson , Fred Cooper

We study the dynamics of the chiral phase transition expected during the expansion of the quark-gluon plasma produced in a high energy hadron or heavy ion collision in the $O(4)$ linear sigma model to leading order in a large $N$ expansion…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yuval Kluger

We study the dynamics of the chiral phase transition expected during the expansion of the quark-gluon plasma produced in a high energy hadron or heavy ion collision, using the $O(4)$ linear sigma model in the mean field approximation.…

High Energy Physics - Phenomenology · Physics 2016-09-01 Y. Kluger , F. Cooper , E. Mottola , J. P. Paz , A. Kovner

The chirally symmetric quark-gluon plasma produced in energetic heavy-ion collisions is predicted to supercool at the late stages of its evolution. The thermal energy is then transformed into the potential energy associated with an…

Nuclear Theory · Physics 2009-10-28 S. Mrowczynski , B. Muller

The nonequilibrium dynamics of the chiral phase transition expected during the expansion of the quark-qluon plasma produced in a high energy hadron or heavy ion collision is studied in the O(4) linear sigma model to leading order in a large…

High Energy Physics - Phenomenology · Physics 2009-10-28 Fred Cooper , Yuval Kluger , Emil Mottola , Juan Pablo Paz

The validity of conventional Ohm's law is tested in the context of a rapidly evolving quark-gluon plasma produced in heavy-ion collisions. Here we discuss the electromagnetic response using an analytical solution in kinetic theory. As…

Nuclear Theory · Physics 2022-10-25 Igor A. Shovkovy

In the framework of the linear sigma model, we study the time evolution of a system of classical $\sigma$ and pion fields coupled to quarks. For this purpose we solve numerically the classical transport equation for relativistic quarks…

High Energy Physics - Phenomenology · Physics 2016-08-24 Abdellatif Abada , Michael C. Birse

A Lagrangian density for viscous quark-gluon plasma has been constructed within the fluid-like QCD framework. Gauge symmetry is preserved for all terms inside the Lagrangian, except for the viscous term. The transition mechanism from point…

Nuclear Theory · Physics 2014-10-15 T. P. Djun , B. Soegijono , T. Mart , L. T. Handoko

We discuss a model for the energy distribution and the early space-time evolution of a heavy ion collision. We estimate the gluon field generated in the wake of hard processes and through primordial fluctuations of the color charges in the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Rainer J. Fries , Joseph I. Kapusta , Yang Li

For the quark-gluon plasma, an energy-momentum tensor is found corresponding to the high-temperature Braaten-Pisarski effective action. The tensor is found by considering the interaction of the plasma with a weak gravitational field and the…

High Energy Physics - Theory · Physics 2009-10-22 F. T. Brandt , J. Frenkel , J. C. Taylor

We solve the Yang-Mills equations in the framework of the McLerran-Venugopalan model for small times tau after a collision of two nuclei. An analytic expansion around tau=0 leads to explicit results for the field strength and the energy…

Nuclear Theory · Physics 2008-11-26 Rainer J. Fries

The stability of an expanding parton plasma is analyzed within quasi-particle models. The effective mass of the parton is calculated self-consistently from a gap equation which is either obtained from the Nambu Jona-Lasinio Lagrangian or…

Nuclear Theory · Physics 2007-05-23 P. Bozek , Y. B. He , J. Huefner

The dissipative corrections to the hydrodynamic equations describing the evolution of energy-momentum tensor and parton densities are derived in a simple way using the scaling approximation for the expanding quark gluon plasma at finite…

High Energy Physics - Phenomenology · Physics 2011-07-19 D. Dutta , A. K. Mohanty , K. Kumar , R. K. Choudhury

We study the dynamics of the chiral phase transition in a linear quark-meson $\sigma$ model using a novel approach based on semiclassical wave-particle duality. The quarks are treated as test particles in a Monte-Carlo simulation of elastic…

Nuclear Theory · Physics 2018-02-20 C. Wesp , H. van Hees , A. Meistrenko , C. Greiner

It is believed at present that the chiral transition changes from a smooth crossover to a first-order transition at low temperatures and high densities. Such regime is commonly analyzed using effective models since first principle…

Nuclear Theory · Physics 2025-11-20 R. M. Aguirre

We study the thermodynamic properties of matter at vanishing temperature for non-extreme values of the isospin chemical potential and of the strange quark chemical potential. From the leading order pressure obtained by maximizing the static…

High Energy Physics - Phenomenology · Physics 2016-04-06 Stefano Carignano , Andrea Mammarella , Massimo Mannarelli

The evolution of the gluon plasma produced with saturation initial conditions is calculated via transport theory for nuclear collisions with 0.1 <sqrt(s) <10 A TeV. The effective longitudinal pressure is found to remain significantly below…

High Energy Physics - Phenomenology · Physics 2009-10-09 Adrian Dumitru , Miklos Gyulassy

The dynamics of Quark-gluon plasma (QGP) as a lump of deconfined free quarks and gluons is elaborated. Based on the first principal we construct the Lagrangian that represents the dynamics of QGP. To induce a hydrodynamics approach, we…

High Energy Astrophysical Phenomena · Physics 2017-06-20 T. P. Djun , M. K. N. Patmawijaya , R. Utama , L. T. Handoko

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
‹ Prev 1 2 3 10 Next ›