English
Related papers

Related papers: QCD Phase Transition at high Temperature in Cosmol…

200 papers

We will discuss here some of the recent results obtained from lattice simulations of QCD at non-zero temperature. Such calculations aim at a quantitative understanding of the thermodynamics of strongly interacting matter in equilibrium. We…

High Energy Physics - Lattice · Physics 2010-11-01 Frithjof Karsch

We study a phenomenological model that mimics the characteristics of QCD theory at finite temperature. The model involves fermions coupled with a modified Abelian gauge field in a tachyon matter. It reproduces some important QCD features…

High Energy Physics - Phenomenology · Physics 2021-05-14 Adamu Issifu , Julio C. M. Rocha , Francisco A. Brito

A new thermodynamic state function is introduced to describe the thermodynamics relevant for the mean transverse momentum fluctuations of charged particles in heavy-ion collisions, which allows us to compute the temperature fluctuations of…

High Energy Physics - Phenomenology · Physics 2026-04-24 Jinhui Chen , Wei-jie Fu , Shi Yin , Chunjian Zhang

We report on recent research on the properties of elementary particle matter governed by the strong force at high temperatures, where QCD predicts hadrons to dissolve into the Quark-Gluon Plasma (QGP). After a short introduction to the…

High Energy Physics - Phenomenology · Physics 2008-05-04 R. Rapp , H. van Hees

Current status of theoretical researches on the QCD phase diagram at finite temperature and baryon chemical potential is reviewed with special emphasis on the origin of various phases and their symmetry breaking patterns. Topics include;…

High Energy Physics - Phenomenology · Physics 2015-03-17 Kenji Fukushima , Tetsuo Hatsuda

We study first order phase transitions that occur when the temperature of the system increases and we identify the conditions that lead to super-heating, a phase where the system can heat up arbitrarily. First order phase transitions with…

High Energy Physics - Phenomenology · Physics 2026-03-24 Giulio Barni , Andrea Tesi

In this work, a brane world model with a perfect fluid on brane and a scalar field on bulk has been used to study quark-hadron phase transition. The bulk scalar field has an interaction with brane matter. This interaction comes into…

General Relativity and Quantum Cosmology · Physics 2014-05-15 T. Golanbari , A. Mohammadi , Kh. Saaidi

Consistent with cosmological constraints, there are scenarios with the large lepton asymmetry which can lead to the finite baryochemical potential at the cosmic QCD phase transition scale. In this paper, we investigate this possibility in…

High Energy Physics - Theory · Physics 2018-02-14 M. Ahmadvand , K. Bitaghsir Fadafan

Colormagnetic confinement as a natural component of the QCD confinement is explained and treated in the framework of the Field Correlator Method. For quarks and gluons in hadrons the effects of the colormagnetic confinement are discussed at…

High Energy Physics - Phenomenology · Physics 2023-03-29 Yu. A. Simonov

The propagation of colored quarks through strongly interacting systems, and their subsequent evolution into color-singlet hadrons, are phenomena that showcase unique facets of Quantum Chromodynamics (QCD). Medium-stimulated gluon…

High Energy Physics - Phenomenology · Physics 2014-04-21 W. K. Brooks , H. Hakobyan , M. Arratia , C. Peña

I give a brief overview of our present understanding of the high temperature phase of QCD, trying to clarify some of the theoretical issues involved in the current discussions that emphasize the strongly coupled character of the quark-gluon…

Nuclear Theory · Physics 2008-11-26 Jean-Paul Blaizot

Using holographic subregion complexity, we study the confinement-deconfinement phase transition of quantum chromodynamics. In the model we consider here, we observe a connection between the potential energy of probe meson and the behavior…

High Energy Physics - Theory · Physics 2020-02-05 Mahsa Lezgi , Mohammad Ali-Akbari

The double phase transition of hadronic matter, $H$, first, to the gas of deconfined constituent quarks (for brevity called {\it valons}), $Q$, and then, secondly, the phase transition from $Q$ to quark-gluon plasma, $QGP$, is considered…

High Energy Physics - Phenomenology · Physics 2009-09-25 O. D. Chernavskaya , E. L. Feinberg

A quasiparticle description of pure glue QCD thermodynamics at T<T_c is proposed and compared to recent lattice data. Given that a gas of glueballs with constant mass cannot quantitatively reproduce the early stages of the deconfinement…

High Energy Physics - Phenomenology · Physics 2014-11-20 F. Buisseret

I give a brief overview of recent theoretical developments concerning the high temperature phase of QCD, and the structure of hadronic wave functions at high energy.

High Energy Physics - Phenomenology · Physics 2008-11-26 Jean-Paul Blaizot

Heavy quark potentials are investigated at high temperatures. The temperature range covered by the analysis extends from $T$ values just below the deconfinement temperature up to about $4 T_c$ in the deconfined phase. We simulated the pure…

High Energy Physics - Lattice · Physics 2009-10-31 Olaf Kaczmarek , Frithjof Karsch , Edwin Laermann , Martin Lutgemeier

Whether Quantum Chromodynamics (QCD) exhibits a phase transition at finite temperature and density is an open question. It is important for hydrodynamic modeling of heavy ion collisions and neutron star mergers. Lattice QCD simulations have…

Nuclear Theory · Physics 2022-10-19 J. I. Kapusta , T. Welle

Cosmological phase transitions are predicted by Particle Physics models, and have a variety of important cosmological consequences, which depend strongly on the dynamics of the transition. In this work we investigate in detail the general…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ariel Megevand , Alejandro D. Sanchez

We conjecture that because of color confinement, the physical vacuum forms an event horizon for quarks and gluons which can be crossed only by quantum tunneling, i.e., through the QCD counterpart of Hawking radiation by black holes. Since…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Castorina , D. Kharzeev , H. Satz