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Related papers: QCD-bag mass spectrum and phase transitions

200 papers

We construct an effective model for the QCD equation of state, taking into account chiral symmetry restoration as well as the deconfinement phase transition. The correct asymptotic degrees of freedom at the high and low temperature limits…

High Energy Physics - Phenomenology · Physics 2011-01-28 J. Steinheimer , S. Schramm , H. Stöcker

A transport model based on the mean free path approach for an interacting meson system at finite temperatures is discussed. A transition to a quark gluon plasma is included within the framework of the MIT bag model. The results obtained…

Nuclear Theory · Physics 2008-11-26 Zhi Guang Tan , A. Bonasera

It is shown that the hadronic matter formed at high temperatures, according to the prescription of the statistical bootstrap principle, develops a critical point at nonzero baryon chemical potential, associated with the end point of a…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. G. Antoniou , F. K. Diakonos , A. S. Kapoyannis

We study a smooth crossover transition in the gas of quark-gluon bags. The equation of state at high temperature is that of the quark-gluon plasma. However, the system consists of the bags with finite volumes which are defined by the model…

Nuclear Theory · Physics 2009-08-11 Viktor V. Begun , Mark I. Gorenstein , Walter Greiner

The theory of confinement and deconfinement is discussed as based on the properties of the QCD vacuum. The latter are described by field correlators of colour-electric and colour-magnetic fields in the vacuum, which can be calculated…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. V. Nefediev , Yu. A. Simonov , M. A. Trusov

A qualitative analysis of the chiral phase transition in QCD with two massless quarks and non-zero baryon density is performed. It is assumed that at zero baryonic density, $\rho=0$, the temperature phase transition is of the second order…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. L. Ioffe

The influence of medium dependent finite width of the QGP bags on their equation of state is analyzed on a basis of an exactly solvable model with the general mass-volume spectrum of these bags. It is arguing that the consistent statistical…

High Energy Physics - Phenomenology · Physics 2008-12-11 K. A. Bugaev , V. K. Petrov , G. M. Zinovjev

Possible phase transition of strongly interacting matter from hadron to a Quark-Gluon Plasma (QGP) state have in the p ast received considerable interest. It has been suggested that this problem might be treated by percolation theory. Th e…

Nuclear Experiment · Physics 2011-07-26 Brijesh K Srivastava

A DGP brane-world model with a perfect fluid brane matter including a Brans-Dicke (BD) scalar field on brane has been utilized to investigate the problem of the quark-hadron phase (QHP) transition in early times of the Universe evolution.…

General Relativity and Quantum Cosmology · Physics 2020-07-02 T. Haddad , T. Golanbari , A. Mohammadi , MA. Rasheed , Kh. Saaidi

We applied the exact Andreev soft-wall holographic model to investigate phase transitions in rotating strongly interacting matter at high and low densities. Using the dual description of hadronic matter and quark-gluon plasma via thermal…

Nuclear Theory · Physics 2026-04-16 Octavio C. Junqueira , Roldao da Rocha

We study the QCD phase diagram at nonzero baryon and isospin chemical potentials using the 1/Nc expansion. We find that there are two phase transitions between the hadronic phase and the quark gluon plasma phase. We discuss the consequences…

High Energy Physics - Theory · Physics 2007-05-23 D. Toublan

It is shown that hadronic matter formed at high temperatures, according to the prescription of the statistical bootstrap principle, develops a critical point at nonzero baryon chemical potential. The location of the critical point in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 N. G. Antoniou , A. S. Kapoyannis

Assuming a first-order chiral transition scenario, we study the process of phase conversion driven by homogeneous nucleation. We adopt a quasiparticle model whose parameters are fit to lattice QCD data to describe the pressure at high…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bessa , E. S. Fraga

QCD predicts that strongly interacting matter will undergo a transition from a state of hadronic constituents to a plasma of unbound quarks and gluons. We first survey the conceptual features of this transition and its description in finite…

High Energy Physics - Phenomenology · Physics 2011-07-19 Helmut Satz

Explosive astrophysical systems, such as supernovae or compact star binary mergers, provide conditions where strange quark matter can appear. The high degree of isospin asymmetry and temperatures of several MeV in such systems may cause a…

High Energy Astrophysical Phenomena · Physics 2014-11-20 I. Sagert , T. Fischer , M. Hempel , G. Pagliara , J. Schaffner-Bielich , F. -K. Thielemann , M. Liebendörfer

The order, shape and critical point for the phase transition between the hadronic matter and quark-gluon plasma are considered in a thermodynamical consistent approach. The hadronic phase is taken as Van der Waals gas of all the known…

Nuclear Theory · Physics 2008-11-26 Ismail Zakout , Carsten Greiner , Jurgen Schaffner-Bielich

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

Recent theoretical investigations have unveiled a rich structure in the quantum chromodynamics (QCD) phase diagram which consists of quark gluon plasma (QGP) and the hadronic phases but also supports the existence of a cross-over transition…

High Energy Physics - Phenomenology · Physics 2014-11-20 P. K. Srivastava , S. K. Tiwari , C. P. Singh

The QCD transition from a hadronic to a quark-gluon plasma phase is a cross-over at vanishing/small baryo-chemical potential, while at higher chemical potentials it is argued that it becomes of first order, ending with a critical end-point.…

High Energy Physics - Phenomenology · Physics 2020-12-30 M. Motta , W. M. Alberico , A. Beraudo , P. Costa , R. Stiele

In this paper we carry out a low-temperature scan of the phase diagram of dense two-color QCD with $N_f=2$ quarks. The study is conducted using lattice simulation with rooted staggered quarks. At small chemical potential we observe the…

High Energy Physics - Lattice · Physics 2016-12-19 V. V. Braguta , E. -M. Ilgenfritz , A. Yu. Kotov , A. V. Molochkov , A. A. Nikolaev