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Related papers: Baryon spectrum in a finite-temperature AdS/QCD mo…

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A schematic model for QCD, developed in a previous paper, is applied to calculate meson properties in the high temperature (up to 0.5 GeV) regime. It is a Lipkin model for quark-antiquark pairs coupled to gluon pairs of spin zero. The…

Nuclear Theory · Physics 2009-11-10 S. Jesgarz , S. Lerma , P. O. Hess , O. Civitarese , M. Reboiro

We investigate the temperature dependence of the shear and bulk viscosities and their ratios to the entropy density via a continuum QCD approach. We calculate the pion mass and decay constant in the framework of Dyson-Schwinger equations of…

High Energy Physics - Phenomenology · Physics 2018-03-21 Fei Gao , Yu-xin Liu

Following a recent lattice study of nucleon parity doubling at finite temperature from the computation of the two-point nucleon correlators, we study the spectral functions of free nucleons at finite temperature. Spectral densities in the…

High Energy Physics - Lattice · Physics 2015-10-15 Chrisanthi Praki , Gert Aarts

We report a study of the scattering of two octet baryons using lattice QCD. The baryon-baryon spectrum is computed using distillation on eight lattice ensembles spanning six lattice spacings and multiple volumes, all at the SU(3) flavor…

High Energy Physics - Lattice · Physics 2021-11-19 Jeremy R. Green , Andrew D. Hanlon , Parikshit M. Junnarkar , Hartmut Wittig

The combination of Anti-de Sitter space (AdS) methods with light-front holography leads to a semi-classical first approximation to the spectrum and wavefunctions of meson and baryon light-quark bound states. Starting from the bound-state…

High Energy Physics - Phenomenology · Physics 2014-11-20 Stanley J. Brodsky , Guy de Teramond

The $K^-/K^+$ ratio in heavy-ion collisions at GSI is studied including the properties of the participating hadrons in hot and dense matter, paying a particular attention to the in-medium properties of antikaons at finite temperature. The…

Nuclear Theory · Physics 2007-05-23 L. Tolos , J. Schaffner-Bielich , A. Polls , A. Ramos

In different approaches, the temperature-baryon density plane of QCD matter is studied for deconfinement and chemical freezeout boundaries. Results from various heavy-ion experiments are compared with the recent lattice simulations, the…

High Energy Physics - Phenomenology · Physics 2020-03-03 Abdel Nasser Tawfik , Muhammad Maher , A. H. El-Kateb , Sara Abdelaziz

Spectra of pions, which are known as the pseudo-Goldstone bosons of spontaneous chiral symmetry breaking, as well as their relationship with chiral phase transition and pion superfluidity phase transition, have been investigated in the…

High Energy Physics - Phenomenology · Physics 2021-01-04 Xuanmin Cao , Hui Liu , Danning Li

By solving the Bethe-Goldstone equation, we have obtained the $\bar{K}$ optical potential from the $\bar{K}N$ effective interaction in nuclear matter at T=0. We have extended the model by incorporating finite temperature effects in order to…

Nuclear Theory · Physics 2009-11-07 L. Tolos , A. Polls , A. Ramos

We analyze the temperature evolution of the anomalous magnetic spectrum of the spin-1/2 triangular quantum Heisenberg antiferromagnet, which is proximate to a quantum phase transition leading to a spin liquid phase. Recently, its low energy…

Strongly Correlated Electrons · Physics 2024-12-20 I. L. Pomponio , E. A. Ghioldi , C. J. Gazza , L. O. Manuel , A. E. Trumper

We present a self-consistent dynamical holographic QCD model to investigate the mass spectra and melting behavior of heavy and exotic mesons at finite temperature and finite density. Our approach is based on the Einstein-Maxwell-Dilaton…

High Energy Physics - Theory · Physics 2025-03-21 Bruno Toniato , David Dudal , Subhash Mahapatra , Roldao da Rocha , Siddhi Swarupa Jena

The AdS/CFT correspondence between theories in AdS space and conformal field theories in physical space-time provides an analytic, semi-classical, color-confining model for strongly-coupled QCD. The soft-wall AdS/QCD model modified by a…

High Energy Physics - Phenomenology · Physics 2017-08-23 Stanley J. Brodsky , Guy F. de Téramond , Alexandre Deur

The properties of baryonic matter have been investigated at finite density and temperature using different models. The variation of baryon masses and fractional number densities with baryon density and temperature obtained from different…

Nuclear Theory · Physics 2014-11-18 Abhijit Bhattacharyya , Sanjay K. Ghosh

We study a phenomenological model that mimics the characteristics of QCD theory at finite temperature. The model involves fermions coupled with a modified Abelian gauge field in a tachyon matter. It reproduces some important QCD features…

High Energy Physics - Phenomenology · Physics 2021-05-14 Adamu Issifu , Julio C. M. Rocha , Francisco A. Brito

We have computed finite temperature corrections to the electron-hadron scattering cross sections. These are based upon the renormalized electron mass and the modified density of states due to the presence of a background thermal bath. It is…

Astrophysics · Physics 2009-10-30 In-Saeng Suh , G. J. Mathews

The pion and kaon properties in a nuclear medium at nonvanishing temperature as well as the QCD chiral condensate in the presence of a magnetic field for various baryon densities are studied in the Nambu-Jona-Lasinio (NJL) model with the…

High Energy Physics - Phenomenology · Physics 2022-06-29 Parada T. P. Hutauruk , Seung-il Nam

The equation of state of Quantum Chromodynamics (QCD) at finite density is currently known only in a limited range in the baryon chemical potential $\mu_B$. This is due to fundamental shortcomings of traditional methods such as Taylor…

We introduce a new approach to analyze the phase diagram of QCD at finite chemical potential and temperature, test it in the Gross-Neveu model at finite baryon density, and apply it to the study of the chemical potential-temperature phase…

High Energy Physics - Lattice · Physics 2008-11-26 Vicente Azcoiti , Giuseppe Di Carlo , Angelo Galante , Victor Laliena

In this article, we start by presenting state-of-the-art methods allowing us to compute moments related to the globally conserved baryon number, by means of first principle resummed perturbative frameworks. We focus on such quantities for…

High Energy Physics - Phenomenology · Physics 2018-01-26 Sylvain Mogliacci , Isobel Kolbé , W. A. Horowitz

Progress in determining the baryon spectrum using computer simulations of quarks and gluons in lattice QCD are summarized and some future plans are outlined.

Nuclear Theory · Physics 2009-11-10 Colin Morningstar