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Related papers: Phase Structure in a Hadronic Chiral Model

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In this paper we study the influence of hadronic resonances on the phase diagram calculated with an effective chiral flavour SU(3) model. We show that varying the couplings of the baryonic resonances to the attractive scalar and the…

High Energy Physics - Phenomenology · Physics 2015-03-19 Philip Rau , Jan Steinheimer , Stefan Schramm , Horst Stöcker

We study the phase diagram of a generalized chiral SU(3)-flavor model in mean-field approximation. In particular, the influence of the baryon resonances, and their couplings to the scalar and vector fields, on the characteristics of the…

Nuclear Theory · Physics 2011-08-24 D. Zschiesche , G. Zeeb , S. Schramm , H. Stoecker

With an effective chiral flavour SU(3) model we show the effect of hadronic resonances on the QCD phase diagram. We state that varying the resonance couplings to the scalar and vector fields affects the order and location of the phase…

High Energy Physics - Phenomenology · Physics 2012-12-07 P. Rau , J. Steinheimer , S. Schramm , H. Stöcker

Using a unified hadron-quark effective model for the QCD equation of state, this paper studies the phase structure of strongly interacting matter in a wide range of temperature and baryonchemical potential. At small potentials the model…

High Energy Physics - Phenomenology · Physics 2013-08-22 Philip Rau , Jan Steinheimer , Stefan Schramm

We study the phase diagram of quark matter at finite temperature (T) and chemical potential (mu) in the strong coupling region of lattice QCD for color SU(3). Baryon has effects to extend the hadron phase to a larger mu direction relative…

High Energy Physics - Lattice · Physics 2008-11-26 A. Ohnishi , N. Kawamoto , K. Miura

In the past few years a wealth of high quality data has made possible to test current theoretical ideas about the properties of hadrons subject to extreme conditions of density and temperature. The relativistic heavy-ion program carried out…

High Energy Physics - Phenomenology · Physics 2016-11-23 Alejandro Ayala

We investigate the chiral phase transition of the strongly interacting matter at nonzero temperature and baryon chemical potential $\mu_B$ within an extended (2+1) flavor Polyakov constituent quark-meson model which incorporates the effect…

High Energy Physics - Phenomenology · Physics 2017-11-30 Gy. Wolf , P. Kovács

We investigated the phase diagram of $SU(3)$ gauge theory in four dimension with one compact dimension by using the perturbative one-loop effective potential. Effects of the adjoint and fundamental fermions are investigated and then the…

High Energy Physics - Phenomenology · Physics 2013-11-21 Kouji Kashiwa , Hiroaki Kouno , Takahiro Makiyama , Tatsuhiro Misumi , Takahiro Sasaki , Masanobu Yahiro

A chiral model is introduced that is based on the parity doublet formulation of chiral symmetry including hyperonic degrees of freedom. The phase structure of the model is determined. Depending on the masses of the chiral partners the…

High Energy Physics - Phenomenology · Physics 2015-03-19 J. Steinheimer , S. Schramm , H. Stöcker

It is believed that there exists a rich phase structure of quantum chromodynamics (QCD) at finite temperature and baryon density, namely, the deconfinement process from hadron gas to quark-gluon plasma, the transition from chiral symmetry…

Nuclear Theory · Physics 2013-07-09 Rafael Cavagnoli , Debora P. Menezes , Constança Providência

An extended chiral SU(3) model is applied to the description of dense, hot and strange hadronic matter. The degrees of freedom are the baryon octet and decuplet and the spin-0 and spin-1 meson multiplets. The parameters of the model are…

We review recent work on the phase structure of QCD at very high baryon density. We introduce the phenomenon of color superconductivity and discuss how the quark masses and chemical potentials determine the structure of the superfluid quark…

Nuclear Theory · Physics 2008-11-26 Thomas Schaefer , Edward Shuryak

We study the phase diagram of quark matter at finite temperature (T) and finite chemical potential (mu) in the strong coupling limit of lattice QCD for color SU(3). We derive an analytical expression of the effective free energy as a…

High Energy Physics - Lattice · Physics 2008-11-26 N. Kawamoto , K. Miura , A. Ohnishi , T. Ohnuma

We study a strongly coupled $Z_2$ lattice gauge theory with two flavors of quarks, invariant under an exact $\mathrm{SU}(2)\times \mathrm{SU}(2) \times \mathrm{U}_A(1) \times \mathrm{U}_B(1)$ symmetry which is the same as QCD with two…

High Energy Physics - Lattice · Physics 2010-12-09 Shailesh Chandrasekharan , Anyi Li

We study the phase diagram of a holographic QCD using the probe D7 brane in black D3 geometry with finite D-instanton charge. Due to quasi-confining nature of the geometry, baryon vertex can exist outside the horizon so that we can find D7…

High Energy Physics - Theory · Physics 2012-03-27 Bogeun Gwak , Minkyoo Kim , Bum-Hoon Lee , Yunseok Seo , Sang-Jin Sin

We confront the lattice results on QCD phase diagram for two and three flavors with the hadron resonance gas model. Taking into account the truncations in the Taylor-expansion of energy density $\epsilon$ done on the lattice at finite…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. Tawfik

Information of the phase structure of many flavor SU(3) gauge theory is of great interest for finding a theory which dynamically breaks the electro-weak symmetry. We study the SU(3) gauge theory with fermions for $N_f=12$ and 16 in…

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

This work presents an effective model for strongly interacting matter and the QCD equation of state (EoS). The model includes both hadron and quark degrees of freedom and takes into account the transition of chiral symmetry restoration as…

High Energy Physics - Phenomenology · Physics 2013-08-29 Philip Rau , Jan Steinheimer , Stefan Schramm , Horst Stöcker

The phase transition of chiral symmetry restoration in strange hadronic matter is studied in the chiral SU(3) quark mean field model. When the baryon density is larger than a critical density $\rho_c$, the minimal energy density of the…

Nuclear Theory · Physics 2009-11-10 P. Wang , V. E. Lyubovitskij , Th. Gutsche , Amand Faessler
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