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The nonequilibrium phase transition in a system of diffusing, coagulating particles in the presence of a steady input and evaporation of particles is studied. The system undergoes a transition from a phase in which the average number of…

Statistical Mechanics · Physics 2009-11-10 R. Rajesh

Pressure isotropization of an equilibrating quark-gluon plasma produced in relativistic heavy ion collisions is studied within the framework of a multi-phase transport model (AMPT). The time evolution of the bulk properties of the…

Nuclear Theory · Physics 2008-05-06 Bin Zhang , Lie-Wen Chen , Che Ming Ko

We study the nucleation of a quark gluon plasma (QGP) phase in a hadron gas at low temperatures and high baryon densities. This kind of process will presumably happen very often in nuclear collisions at FAIR and NICA. When the appropriate…

High Energy Physics - Phenomenology · Physics 2016-05-18 D. A. Fogaça , S. M. Sanches , R. Fariello , F. S. Navarra

We explore the far-off-equilibrium aspects of the (1+1)-dimensional early-stage evolution of a weakly-coupled quark-gluon plasma using kinetic theory and hydrodynamics. For a large set of far-off-equilibrium initial conditions the system…

Nuclear Theory · Physics 2023-12-11 Chandrodoy Chattopadhyay , Ulrich Heinz , Thomas Schaefer

Quantum Chromodynamics (QCD) is expected to have a first order phase transition between the confined hadron gas and the deconfined quark gluon plasma at high baryon densities. This will result in phase boundary effects in the metastable and…

High Energy Physics - Phenomenology · Physics 2024-11-11 Joseph I. Kapusta , Mayank Singh , Thomas Welle

A rapidly expanding fireball which undergoes first-order phase transition will supercool and proceed via spinodal decomposition. Hadrons are produced from the individual fragments as well as the left-over matter filling the space between…

Nuclear Theory · Physics 2016-09-21 Boris Tomasik , Martin Schulc , Ivan Melo , Renata Kopecna

We reexamine the scenario of homogeneous nucleation of the quark-gluon plasma produced in ultra-relativistic heavy ion collisions. A generalization of the standard nucleation theory to rapidly expanding system is proposed. The nucleation…

High Energy Physics - Phenomenology · Physics 2016-08-15 E. E. Zabrodin , L. V. Bravina , L. P. Csernai , H. Stöcker , W. Greiner

Recently, a lot of effort has been put into describing the thermalization of the quark-gluon plasma using the gauge/gravity duality. In this context we here present a full numerical solution of the early far-from-equilibrium formation of…

High Energy Physics - Theory · Physics 2013-03-26 Wilke van der Schee

This is a critical review of the various observables that have been proposed to signal the change from dense hadronic matter to a quark-gluon plasma at high temperature or baryon density. I discuss current models of quark-gluon plasma…

Nuclear Theory · Physics 2014-11-18 Berndt Mueller

A transport model is developed to describe hadron emission from a strongly coupled quark-gluon plasma formed in relativistic heavy ion collisions. The quark-gluon plasma is controlled by ideal hydrodynamics, and the hadron motion is…

Nuclear Theory · Physics 2008-11-26 Hong Miao , Chongshou Gao , Pengfei Zhuang

The momentum distribution of quark-gluon plasma at the early stage of a relativistic heavy-ion collision is anisotropic and consequently the system, which is assumed to be weakly coupled, is unstable due chromomagnetic plasma modes. We…

High Energy Physics - Phenomenology · Physics 2015-11-04 Margaret E. Carrington , Katarzyna Deja , Stanislaw Mrowczynski

Non-congruence appears to be the most general form of phase transition in cosmic matter and in the laboratory. In terrestrial applications noncongruencemeans coexistence of phases with different chemical composition in systems consisting of…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-07 Igor Iosilevskiy

By means of an effective relativistic nuclear equation of state in the framework of the nonextensive statistical mechanics, characterized by power-law quantum distributions, we study the phase transition from hadronic matter to quark-gluon…

Nuclear Theory · Physics 2012-11-13 A. Lavagno , D. Pigato

We evaluate the strangeness production from equilibrating and transversely expanding quark gluon plasma which may be created in the wake of relativistic heavy ion collisions. We consider boost invariant longitudinal and cylindrically…

Nuclear Theory · Physics 2009-11-07 Dipali Pal , Abhijit Sen , Munshi G. Mustafa , Dinesh K. Srivastava

Since the quark-gluon plasma, which is unstable due to anisotropic momentum distribution, evolves fast in time, plasma's characteristics have to be studied as initial value problems. The chromodynamic fluctuations and the momentum…

Nuclear Theory · Physics 2010-11-02 Stanislaw Mrowczynski

Highly effective conversion of kinetic energy into abundant particle multiplicity is the remarkable feature discovered in high energy heavy ion collisions. This short and pedagogic review addresses topical issues related to the…

Nuclear Theory · Physics 2009-04-17 Johann Rafelski

Very dense and/or hot hadronic substance (e.g. the one with energy density greatly exceeding that of a normal nucleus) transforms itself into a subhadronic substance which obeys macroscopic classical physics, in particular suffers phase…

High Energy Physics - Phenomenology · Physics 2016-09-06 E. L. Feinberg

In ultrarelativistic heavy ion collisions the produced high temperature, high energy density state will cross different phases of the strongly interacting matter. The original idea of quark-gluon plasma formation has been evolved and the…

Nuclear Theory · Physics 2009-11-11 P. Levai

Averaged over ensemble of initial conditions kinetic transport equations of weakly coupled systems of quarks and gluons are derived. These equations account for the correlators of fluctuations of particles and classical gluon fields. The…

Nuclear Theory · Physics 2008-11-26 S. V. Akkelin

We consider the phase diagram of hadronic matter as a function of temperature, T , and baryon chemical potential, mu. Currently the dominant paradigm is a line of first order transitions which ends at a critical endpoint. In this work we…

High Energy Physics - Phenomenology · Physics 2019-05-08 Robert D. Pisarski , Vladimir V. Skokov , Alexei M. Tsvelik