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Related papers: Propagators and phase structure of Nf=2 and Nf=2+1…

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In this talk we present results for the propagators and the phase diagram of QCD, obtained from a truncated set of Dyson-Schwinger equations at finite temperature T and quark chemical potential mu. We include back-coupling effects of the…

High Energy Physics - Phenomenology · Physics 2015-06-12 Jan Luecker , Christian S. Fischer

We summarize recent results for the phase structure of QCD at finite temperature and light-quark chemical potential for N_f=2+1 and N_f=2+1+1 dynamical quark flavors. We discuss order parameters for the chiral and deconfinement transitions…

High Energy Physics - Phenomenology · Physics 2014-10-02 Christian S. Fischer , Jan Luecker , Christian A. Welzbacher

We employ the Dyson-Schwinger equations for quark and gluon propagators in order to study QCD with 2+1 flavours at finite temperature and density. In a suitable truncation for these equations, we determine the position of the critical…

High Energy Physics - Phenomenology · Physics 2013-08-22 Jan Luecker , Christian S. Fischer , Leonard Fister , Jan M. Pawlowski

We investigate the phases of dense QCD matter at finite temperature with Dyson-Schwinger equations for the quark propagator for N_f=2+1 flavors. For the gluon propagator we take a fit to quenched lattice data and add quark-loop effects…

High Energy Physics - Phenomenology · Physics 2013-07-30 Daniel Müller , Michael Buballa , Jochen Wambach

We map out the QCD phase structure at finite temperature and chemical potential for 2-flavour and 2 + 1-flavour QCD. This is done within a generalised functional approach to QCD put forward in arXiv:2002.07500 [hep-ph]. Specifically we…

High Energy Physics - Phenomenology · Physics 2021-08-18 Fei Gao , Jan M. Pawlowski

Recent results for the QCD phase structure at finite temperature and light-quark chemical potential are summarized, where the cases of N_f = 2 + 1 and N_f = 2+1+1 dynamical quark flavors are considered. Order parameters for the chiral and…

High Energy Physics - Phenomenology · Physics 2015-06-23 Christian A. Welzbacher , Christian S. Fischer , Jan Luecker

We investigate the phase structure of QCD at finite temperature and light-quark chemical potential. We improve upon earlier results for N_f=2+1 dynamical quark flavors and investigate the effects of charm quarks in an extension to…

High Energy Physics - Phenomenology · Physics 2014-09-05 Christian S. Fischer , Jan Luecker , Christian A. Welzbacher

We investigate the universality of truncation schemes for Dyson-Schwinger equations developed for quantum chromodynamics in theories which differ from quantum chromodynamics only in the gauge group. Our specific choices are the gauge groups…

High Energy Physics - Phenomenology · Physics 2017-10-11 Romain Contant , Markus Q. Huber

We study Landau gauge gluon propagators in two-color QCD at finite quark chemical potential ($\mu_q$) and temperature ($T$). We include medium polarization effects at one-loop by quarks into massive gluon propagators, and compared the…

High Energy Physics - Phenomenology · Physics 2021-05-19 Toru Kojo , Daiki Suenaga

In this paper we study the chiral phase transition of QCD at finite temperature and density by using the rank-2 confining separable gluon propagator model in the framework of Dyson-Schwinger Equations. The critical end point is located at…

High Energy Physics - Phenomenology · Physics 2016-11-02 Bin Wang , Zhu-Fang Cui , Wei-Min Sun , Hong-Shi Zong

The screened massive expansion of full QCD is used in conjunction with a model for infrared quark masses to compute the Landau-gauge gluon propagator at finite temperature and baryonic density. Analytic expressions up to a one-dimensional…

High Energy Physics - Theory · Physics 2025-03-14 Giorgio Comitini , Fabio Siringo

We propose a chemical potential dependent effective gluon propagator and study the chiral quark condensate in strongly interacting matter in the framework of Dyson-Schwinger equation approach. The obtained results manifest that, as the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Lei Chang , Huan Chen , Bin Wang , Wei Yuan , Yu-xin Liu

We present results for the chiral and deconfinement transition of two flavor QCD at finite temperature and chemical potential. To this end we study the quark condensate and its dual, the dressed Polyakov loop, with functional methods using…

High Energy Physics - Phenomenology · Physics 2011-08-31 Christian S. Fischer , Jan Luecker , Jens A. Mueller

We review results for the phase diagram of QCD, the properties of quarks and gluons and the resulting properties of strongly interacting matter at finite temperature and chemical potential. The interplay of two different but related…

High Energy Physics - Phenomenology · Physics 2019-03-27 Christian S. Fischer

A calculation of the thermal quark propagator is presented taking the gluon condensate above the critical temperature into account. The quark dispersion relation following from this propagator is derived.

High Energy Physics - Phenomenology · Physics 2007-05-23 Andreas Sch"afer , Markus H. Thoma

We present a calculation of the thermal quark propagator taking the gluon condensate above the critical temperature into account. The quark dispersion relation following from this propagator, describing two massive modes, is discussed.

High Energy Physics - Phenomenology · Physics 2009-10-31 Andreas Schaefer , Markus H. Thoma

We discuss the phase structure and the equation of state for QCD at non-zero temperature and density. Derivatives of $\ln Z$ with respect to quark chemical potential $\mu_q$ up to fourth order are calculated for 2-flavor QCD, enabling…

High Energy Physics - Lattice · Physics 2008-11-26 Shinji Ejiri , Chris R. Allton , Simon J. Hands , Olaf Kaczmarek , Frithjof Karsch , Edwin Laermann , Christian Schmidt

We discuss the phase structure of QCD for $N_f=2$ and $N_f=2+1$ dynamical quark flavours at finite temperature and baryon chemical potential. It emerges dynamically from the underlying fundamental interactions between quarks and gluons in…

High Energy Physics - Phenomenology · Physics 2020-04-01 Wei-jie Fu , Jan M. Pawlowski , Fabian Rennecke

QCD-like theories provide testing grounds for truncations of functional equations at non-zero density, since comparisons with lattice results are possible due to the absence of the sign problem. As a first step towards such a comparison, we…

High Energy Physics - Phenomenology · Physics 2017-04-05 Romain Contant , Markus Q. Huber

We calculate the dimension two gluon condensate contribution to quark, gluon and ghost propagators at finite temperature.

High Energy Physics - Phenomenology · Physics 2015-06-04 Purnendu Chakraborty , Munshi G. Mustafa
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