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The temperature and chemical potential dependent surface tension of bags is introduced into the gas of quark-gluon bags model. This resolves a long standing problem of a unified description of the first and second order phase transition…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kyrill Bugaev

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

The state of art in studying thermodynamic properties of hot and dense nuclear matter is reviewed with the special emphasis on the confinement-deconfinement transition between hadron matter and quark-gluon plasma. The most popular models…

High Energy Physics - Phenomenology · Physics 2011-07-19 V. I. Yukalov , E. P. Yukalova

The deconfinement transition region between hadronic matter and quark-gluon plasma is studied for finite volumes. Assuming simple model equations of state and a first order phase transition, we find that fluctuations in finite volumes…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Spieles , H. Stoecker , C. Greiner

The phase diagram of the quark-gluon matter evolution is presented for the SU(3)-model with a new phase of heavy deconfined quarks which exists in a rather wide range of temperatures and densities. Fitting the chiral phase transition data…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. K. Kalashnikov

Recent studies based on non-perturbative lattice Monte-Carlo solutions of Quantum Chromodynamics, the theory of strong interactions, demonstrated that at high temperature there is a phase change from confined hadronic matter to a deconfined…

Nuclear Theory · Physics 2018-10-24 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

The phase transition of hadronic to quark matter and the boundaries of the mixed hadron-quark coexistence phase are studied within the two Equation of State (EoS) model. The relativistic effective mean field approach with constant and…

Nuclear Theory · Physics 2015-05-28 B. Liu , M. Di Toro , G. Y. Shao , V. Greco , C. W. Shen , Z. H. Li

We study the dynamics of first-order cofinement-deconfinement phase transition through nucleation of hadronic bubbles in an expanding quark gluon plasma in the context of heavy ion collisions for interacting quark and hadron gas and by…

High Energy Physics - Phenomenology · Physics 2009-11-10 Deepak Chandra , Ashok Goyal

Mapping the QCD phase boundary and locating critical end point still remains as an open problem in strong interaction physics. Predictions about the co-ordinates of the critical point in the $(T, \mu_B)$ plane, from different QCD motivated…

High Energy Physics - Phenomenology · Physics 2011-01-26 Partha Pratim Bhaduri , Victor Roy , A. K. Chaudhuri

A fundamental question of physics is what ultimately happens to matter as it is heated or compressed. In the realm of very high temperature and density the fundamental degrees of freedom of the strong interaction, quarks and gluons, come…

High Energy Physics - Phenomenology · Physics 2009-07-28 P. Braun-Munzinger , J. Wambach

We discuss how the dynamics of the evolving hot fireball of quark--gluon matter impacts phase transition between the deconfined and confined state of matter. The rapid expansion of the fireball of deconfined matter created in heavy ion…

High Energy Physics - Phenomenology · Physics 2009-11-11 Johann Rafelski , Jean Letessier

We examine the statistical mechanics of a 1-dimensional gas of both adjoint and fundamental representation quarks which interact with each other through 1+1-dimensional U(N) gauge fields. Using large-N expansion we show that, when the…

High Energy Physics - Theory · Physics 2009-10-30 C. R. Gattringer , L. D. Paniak , G. W. Semenoff

We study the effect of a very strong homogeneous magnetic field B on the thermal deconfinement transition within the simplest phenomenological approach: the MIT bag pressure for the quark- gluon plasma and a gas of pions for the hadronic…

High Energy Physics - Phenomenology · Physics 2012-07-31 Eduardo S. Fraga , Leticia F. Palhares

Location of critical point and mapping the QCD phase boundary still exists as one of the most interesting and studied problems of heavy-ion physics. A new equation of state (EOS) for a gas of extended baryons and pointlike mesons is…

High Energy Physics - Phenomenology · Physics 2011-03-23 C. P. Singh , P. K. Srivastava , S. K. Tiwari

It is commonly accepted that strongly interacting matter has several phase transitions in different domains of temperature and baryon density. In this contribution I discuss two most popular phase transitions which in principle can be…

High Energy Physics - Phenomenology · Physics 2009-11-11 I. N. Mishustin

We study the phase transition of asymmetric hadronic matter to a quark-gluon plasma within the framework of a simple two-phase model. The analysis is performed in a system with two conserved charges (baryon number and isospin) using the…

Nuclear Theory · Physics 2009-10-30 Horst Mueller

The two-Equation of State (Two-EoS) model is used to describe the hadron-quark phase transition in dense-hot matter formed in heavy-ion collisions. The non-linear Walecka model is used to describe the hadronic phase. For the quark phase,…

Nuclear Theory · Physics 2015-05-28 G. Y. Shao , M. Di Toro , V. Greco , M. Colonna , S. Plumari , B. Liu , Y. X. Liu

The temperature and chemical potential dependent surface tension of bags is introduced into the gas of quark-gluon bags model. The suggested model is solved analytically. It resolves a long standing problem of a unified description of the…

Nuclear Theory · Physics 2007-11-20 K. A. Bugaev

The QCD cross-over line in the temperature ($T$) -- baryo-chemical potential ($\mu_B$) plane has been computed by several lattice groups by calculating the chiral order parameter and its susceptibility at finite values of $\mu_B$. In this…

We analyze the effect of color superconductivity in the transition from hot hadron matter to quark matter in the presence of a gas of trapped electron neutrinos. To describe strongly interacting matter we adopt a two-phase picture in which…

High Energy Astrophysical Phenomena · Physics 2014-02-24 Taiza A. S. do Carmo , Germán Lugones
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