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Related papers: The QCD chiral transition temperature in a Dyson-S…

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The temperature dependence of quark and gluon condensates in QCD as precursor of the chiral and deconfining phase transition is modelled with a conformally extended non-linear sigma-model including broken chiral and scale invariance. The…

High Energy Physics - Phenomenology · Physics 2009-10-30 N. O. Agasian , D. Ebert , E. -M. Ilgenfritz

We consider thermal QCD in the large N_C limit, mainly in 1+1 dimensions. The gauge coupling is only taken into account to minimal order, by projection onto colour singlets. An expression for the free energy, exact as N_C goes to infinity,…

High Energy Physics - Phenomenology · Physics 2016-09-06 Joakim Hallin , David Persson

We will discuss here some of the recent results obtained from lattice simulations of QCD at non-zero temperature. Such calculations aim at a quantitative understanding of the thermodynamics of strongly interacting matter in equilibrium. We…

High Energy Physics - Lattice · Physics 2010-11-01 Frithjof Karsch

We study the phase structure and phase transition of cold dense QCD matter via the Dyson-Schwinger equation approach. We take the rainbow approximation and the Gaussian-type gluon model. In order to guarantee that the quark number density…

High Energy Physics - Phenomenology · Physics 2021-09-22 Zhan Bai , Yu-xin Liu

We consider the pseudocritical temperatures for the chiral and deconfinement transitions within a Polyakov-loop Dyson-Schwinger equation approach which employs a nonlocal rank-2 separable model for the effective gluon propagator. These…

High Energy Physics - Phenomenology · Physics 2011-08-09 D. Horvatic , D. Blaschke , D. Klabucar , O. Kaczmarek

Current quark mass effects on the chiral phase transition of QCD is studied in the improved ladder approximation. An infrared behavior of the gluon propagator is modified in terms of an effective running coupling. The analysis is based on a…

High Energy Physics - Phenomenology · Physics 2009-11-07 O. Kiriyama , M. Maruyama , F. Takagi

The appearance of a new phase of QCD, Quarkyonic Matter in the limit of large number of colors is studied within Nambu-Jona-Lassinio effective chiral model coupled to the Polyakov loop. The interplay of this novel QCD phase with chiral…

High Energy Physics - Phenomenology · Physics 2010-04-14 L. McLerran , K. Redlich , C. Sasaki

In order for clarifying what are the essential thermal effects that govern the chiral phase transition at finite temperature, we investigate, in the real-time thermal QED, the consequences of the Hard-Thermal-Loop (HTL) resummed…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yuko Fueki , Hisao Nakkagawa , Hiroshi Yokota , Koji Yoshida

The Schwinger-Dyson equation for the quark in the rainbow approximation at finite temperature (T) is solved numerically without introducing any ansatz for the dressed quark propagator. The dymanical quark mass-function and the wave-function…

High Energy Physics - Phenomenology · Physics 2014-11-17 Takashi Ikeda

The linear-$\sigma$ model has been widely used to describe the chiral phase transition. Numerically, the critical temperature $T_{c}$ of the chiral phase transition is in agreement with other effective theories of QCD. However, in the…

High Energy Physics - Phenomenology · Physics 2011-10-24 Achim Heinz

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 2016-11-23 M. N. Chernodub , B. L. Ioffe

QCD under extreme conditions has been studied for a long time, and the chiral limit has been a grey area mostly. In this write-up of my talk, I review some of the recent developments made by the community to unveil various features of QCD…

High Energy Physics - Lattice · Physics 2021-12-16 Anirban Lahiri

A first attempt to accommodate the chiral and deconfining phase transitions of QCD in the bottom-up holographic framework is given. We constrain the relation between dilaton field $\phi$ and metric warp factor $A_e$ and get several…

High Energy Physics - Phenomenology · Physics 2016-05-04 Zhen Fang , Song He , Danning Li

At low temperature the low-lying QCD Dirac spectrum obeys random matrix statistics. Recently we found that above $T_{c}$ the lowest part of the spectrum consists of localized modes that obey Poisson statistics. An interesting implication of…

High Energy Physics - Lattice · Physics 2014-11-03 Matteo Giordano , Sandor D. Katz , Tamas G. Kovacs , Ferenc Pittler

The chiral phase transition of the quark sector of QCD is investigated within the Hamiltonian approach in Coulomb gauge. Finite temperatures $T$ are introduced by compactifying one spatial dimension, which makes all thermodynamical…

High Energy Physics - Phenomenology · Physics 2018-10-19 Ehsan Ebadati , Hugo Reinhardt , Peter Vastag

We present a lattice QCD based determination of the chiral phase transition temperature in QCD with two massless (up and down) and one strange quark having its physical mass. We propose and calculate two novel estimators for the chiral…

High Energy Physics - Lattice · Physics 2020-09-07 Olaf Kaczmarek , Frithjof Karsch , Anirban Lahiri , Lukas Mazur , Christian Schmidt

We present results on the chiral and deconfinement properties of the QCD transition at finite temperature. We performed calculations using asqtad and HISQ/tree actions using lattices with temporal extent N_tau=6, 8 and 12 allowing to…

High Energy Physics - Lattice · Physics 2015-05-28 A. Bazavov , P. Petreczky

A simple confining separable interaction Ansatz for the rainbow-ladder truncated QCD Dyson-Schwinger equations is used to implement chiral restoration and quark deconfinement in a study of $\bar q q$ meson states at finite temperature. The…

Nuclear Theory · Physics 2007-05-23 D. Blaschke , P. C. Tandy

Within the framework of Dyson--Schwinger equations of QCD, we study the effect of finite volume on the chiral phase transition in a sphere with the MIT boundary condition. We find that the chiral quark condensate $\langle\bar{\psi}…

Nuclear Theory · Physics 2021-01-04 Yin-Zhen Xu , Chao Shi , Xiao-Tao He , Hong-Shi Zong

The surface tension of cold and dense QCD phase transitions has appeared recently as a key ingredient in different astrophysical scenarios, ranging from core-colapse supernovae explosions to compact star structure. If the surface tension is…

High Energy Physics - Phenomenology · Physics 2015-03-19 L. F. Palhares , E. S. Fraga