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Related papers: Quasi-particle model for deconfined matter

200 papers

In this report we consider the numerical simulations at finite temperature using lattice QCD data for the computation of the thermodynamical quantities including the pressure, energy density and the entropy density. These physical…

High Energy Physics - Phenomenology · Physics 2008-11-26 David E. Miller

We delineate the properties of dense QCD matter through equations of state constrained by the neutron star observations. The two solar mass constraint, the radius constraint of 11-13 km, and the causality constraint on the speed of sound,…

Nuclear Theory · Physics 2017-12-19 Toru Kojo

I discuss three topics in physics of massive (two solar-mass and larger) neutron stars containing deconfined quark matter: (i) the equation of state of deconfined dense quark matter and its color superconducting phases, (ii) the thermal…

High Energy Astrophysical Phenomena · Physics 2013-05-24 Armen Sedrakian

The grand partition function of a model of confined quarks is exactly calculated at arbitrary temperatures and quark chemical potentials. The model is inspired by a softly BRST-broken version of QCD and possesses a quark mass function…

High Energy Physics - Phenomenology · Physics 2015-10-28 M. S. Guimaraes , B. W. Mintz , L. F. Palhares

It is possible that at low temperatures and large density there exists a confining matter with restored chiral symmetry, just after the dense nuclear matter with broken chiral symmetry. Such a phase has sofar been studied within a confining…

High Energy Physics - Phenomenology · Physics 2015-05-30 L. Ya. Glozman , V. K. Sazonov , R. F. Wagenbrunn

A qualitative analysis of the chiral phase transition in QCD at 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 and quark condesate $\eta=…

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

In this study it is demonstrated that a simple picture of the QCD gluon liquid emerges in the dynamical quasiparticle model that specifies the active degrees of freedom in the time-like sector and yields a potential energy density in the…

Nuclear Theory · Physics 2008-11-26 W. Cassing

We investigate properties of the quark--antiquark mesons at zero and finite temperature in the framework of a solvable chirally symmetric quark model with linear confining potential. The interquark interaction in the model is reminiscent of…

High Energy Physics - Phenomenology · Physics 2025-04-29 L. Ya. Glozman , A. V. Nefediev , R. F. Wagenbrunn

A hybrid parameterization of a quasiparticle equation of state is proposed, with a critical point implemented phenomenologically. On the one hand, a quasiparticle model with finite chemical potential is employed for the quark-gluon plasma…

Nuclear Theory · Physics 2018-05-28 Hong-Hao Ma , Danuce Marcele Dudek , Kai Lin , Wei-Liang Qian , Yogiro Hama , Takeshi Kodama

A study of QCD at non-zero chemical potential, mu, and temperature, T, is performed using the lattice technique. The transition temperature (between the confined and deconfined phases) is determined as a function of mu and is found to be in…

High Energy Physics - Phenomenology · Physics 2017-08-23 C. R. Allton , S. Ejiri , S. J. Hands , O. Kaczmarek , F. Karsch , E. Laermann , Ch. Schmidt , L. Scorzato

Equations of state for strange quark matter in beta equilibrium at high densities are used to investigate the structure (mass and radius) of compact objects. The chromodielectric model is used as a general framework for the quark…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Malheiro , E. O. Azevedo , L. G. Nuss , M. Fiolhais , A. R. Taurines

We investigate the influence of spin polarization in strongly interacting matter by introducing a finite spin potential, $\mu_\Sigma$, which effectively controls the spin density of the system without requiring rotation or specific boundary…

High Energy Physics - Phenomenology · Physics 2025-09-17 Ricardo L. S. Farias , William R. Tavares

The folklore tradition about the QCD phase diagram is that at the chiral restoration phase transition at finite density hadrons are deconfined and there appears the quark matter. We address this question within the only known exactly…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Ya. Glozman , R. F. Wagenbrunn

We determine the chiral phase structure of $2+1$-flavour QCD in dependence of temperature and the light flavour quark mass with Dyson-Schwinger equations. Specifically, we compute the renormalised chiral condensate and its susceptibility.…

High Energy Physics - Phenomenology · Physics 2022-06-01 Fei Gao , Jan M. Pawlowski

I review a number of recent developments in the physics of compact stars containing deconfined quark matter, including (a)~their cooling with possible phase transition from a fully gapped to a gapless phase of QCD at low temperatures and…

High Energy Astrophysical Phenomena · Physics 2017-12-06 Armen Sedrakian

Screening correlators and masses were studied at finite temperature in QCD with two flavours of dynamical staggered quarks on a lattice. The spectrum of screening masses show a hierarchical approach to chiral symmetry restoration. Control…

High Energy Physics - Lattice · Physics 2011-05-12 Debasish Banerjee , Rajiv V. Gavai , Sourendu Gupta

We present lattice studies of heavy quark potentials in the quenched approximation of QCD at finite temperatures. Both, the color singlet and color averaged potentials are calculated. While the potentials are well known at large distances,…

High Energy Physics - Lattice · Physics 2015-06-25 F. Zantow , O. Kaczmarek , F. Karsch , P. Petreczky

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 describe the deconfining critical temperature dependence on the pion mass and on the isospin chemical potential in remarkably good agreement with lattice data. Our framework incorporates explicit dependence on quark masses, isospin and…

High Energy Physics - Phenomenology · Physics 2014-11-18 E. S. Fraga , L. F. Palhares , C. Villavicencio

The purpose of the present article is to call attention to some realistic quasiparticle-based description of the quark/gluon matter and its consistent implementation in thermodynamics. A simple and transparent representation of the…

Nuclear Theory · Physics 2014-11-18 T. S. Biro , A. A. Shanenko , V. D. Toneev