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We discuss recent experimental results on hadron multiplicities in ultra-relativistic nuclear collisions. The data for central collisions are in quantitative agreement with predictions of a thermal model assuming full chemical…

核实验 · 物理学 2009-10-31 Peter Braun-Munzinger

We study the temperature evolution of the quark-antiquark condensate below the chiral phase transition. The hadronic gas is described using a virial expansion within Generalized Chiral Perturbation Theory. In such way, we can implement both…

高能物理 - 唯象学 · 物理学 2009-10-31 J. R. Pelaez

Based on the quasi-particle description of the QCD medium at finite temperature and density we formulate the phenomenological model for the equation of state that exhibits crossover or the first order deconfinement phase transition. The…

核理论 · 物理学 2008-11-26 A. S. Khvorostukhin , V. V. Skokov , V. D. Toneev , K. Redlich

Based on hot big bang theory, the cosmological matter is conjectured to undergo QCD phase transition(s) to hadrons, when the universe was about $1-10 \mu$s old. In the present work, we study the quark-hadron phase transition, by taking into…

宇宙学与河外天体物理 · 物理学 2012-04-26 A. Tawfik , T. Harko

We describe the temperature-chemical potential phase diagrams of holographic models of a range of strongly coupled gauge theories that display chiral symmetry breaking/restoration transitions. The models are based on the D3/probe-D7 system…

高能物理 - 理论 · 物理学 2015-05-30 Nick Evans , Astrid Gebauer , Keun-Young Kim , Maria Magou

In the context of the Hagedorn temperature half-centenary I describe our understanding of the hot phases of hadronic matter both below and above the Hagedorn temperature. The first part of the review addresses many frequently posed…

核理论 · 物理学 2015-09-21 Johann Rafelski

The gauge/gravity duality, combined with information from lattice QCD, nuclear theory, and perturbative QCD, can be used to constrain the equation of state of hot and dense QCD. I discuss an approach based on the holographic V-QCD model. I…

高能物理 - 唯象学 · 物理学 2023-07-06 Matti Jarvinen

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…

高能物理 - 理论 · 物理学 2020-02-05 Mahsa Lezgi , Mohammad Ali-Akbari

There is little doubt that Quantumchromodynamics (QCD) is the theory which describes strong interaction physics. Lattice gauge simulations of QCD predict that in the $\mu,T$ plane there is a line where a transition from confined hadronic…

核理论 · 物理学 2008-11-26 J. Aichelin , H. Petersen , S. Vogel , M. Bleicher

The cross sections of heavy quark production in $pp$ collision and for their photo- and electroproduction are calculated in the framework of QCD. The virtual nature of the interacting gluons as well as their transverse motion and different…

高能物理 - 唯象学 · 物理学 2011-01-25 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

Granular systems confined in vertically vibrated shallow horizontal boxes (quasi two-dimensional geometry) present a liquid to solid phase transition when the frequency of the periodic forcing is increased. An effective model, where grains…

统计力学 · 物理学 2018-08-08 Dino Risso , Rodrigo Soto , Marcelo Guzman

We construct a simple holographic QCD model to study nuclear matter to strange matter transition. The interaction of dense medium and hadrons is taken care of by imposing the force balancing condition for stable D4/D6/D6 configuration. By…

高能物理 - 理论 · 物理学 2015-05-14 Youngman Kim , Yunseok Seo , Sang-Jin Sin

We study the phase structure of QCD at high temperature and density by lattice QCD simulations adopting a histogram method. The quark mass dependence and the chemical potential dependence of the nature of phase transition are investigated…

高能物理 - 格点 · 物理学 2013-07-25 Shinji Ejiri

The general formalism of homogeneous nucleation theory is applied to study the hadronization pattern of the ultra-relativistic quark-gluon plasma (QGP) undergoing a first order phase transition. A coalescence model is proposed to describe…

高能物理 - 唯象学 · 物理学 2009-10-31 E. Zabrodin , L. Bravina , H. Stoecker , W. Greiner

The cosmological evolution can be described in terms of directly measurable cosmological scalar parameters (deceleration $q$, jerk $j$, snap $s$, etc...) constructed out of high order derivatives of the scale factor. Their behavior at the…

高能物理 - 唯象学 · 物理学 2018-07-18 P. Castorina , D. Lanteri , S. Mancani

The order and the nature of the finite-temperature phase transition of QCD with two flavors of dynamical quarks is investigated. An analysis of the critical exponent of the specific heat is performed through finite-size and finite-mass…

高能物理 - 格点 · 物理学 2008-11-26 J. M. Carmona , M. D'Elia , L. Del Debbio , A. Di Giacomo , B. Lucini , G. Paffuti , C. Pica

Quantum Chromodynamics exhibits a hadronic confined phase at low to moderate temperatures and, at a critical temperature $T_C$, undergoes a transition to a deconfined phase known as the quark-gluon plasma. The nature of this deconfinement…

高能物理 - 格点 · 物理学 2014-06-13 Finn M. Stokes , Waseem Kamleh , Derek B. Leinweber

I will review RHIC data with respect to the intriguing possibility that the hadron production mechanism in the produced partonic medium might be different than in vacuum. I will use the measurements of collective features, such as flow and…

核实验 · 物理学 2008-11-26 Rene Bellwied

We revisit the phase structure and thermodynamics of QCD in the low temperature and high density region, where a strong, first-order phase transition is expected beyond the critical end point. By solving the quark gap equation in the…

高能物理 - 唯象学 · 物理学 2026-02-10 Yi Lu , Fei Gao , Yu-xin Liu

Hadronization is a fundamental process occurring at a distance scale of about $1\,\rm fm \simeq \Lambda_{QCD}^{-1} $, hence within non-perturbative dynamics. In elementary collisions, like $e^+e^-$, $e^-p$, or $pp$, phenomenological…

高能物理 - 唯象学 · 物理学 2025-07-01 Rainer J. Fries , Vincenzo Greco , Ralf Rapp