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A dilaton potential is adjusted to recently confirmed lattice QCD thermodynamics data in the temperature range $(0.7 \ldots 3.5) T_c$ where $T_c = 155 \text{MeV}$ is the pseudo-critical temperature. The employed holographic model is based…

High Energy Physics - Phenomenology · Physics 2017-11-09 R. Yaresko , J. Knaute , B. Kampfer

The asymptotically-logarithmically-AdS black-hole solutions of 5D dilaton gravity with a monotonic dilaton potential are analyzed in detail. Such theories are holographically very close to pure Yang-Mills theory in four dimensions. The…

High Energy Physics - Theory · Physics 2011-06-02 U. Gursoy , E. Kiritsis , L. Mazzanti , F. Nitti

We calculate the critical temperature and free energy of the gluon plasma using the dilaton potential arXiv:0911.0627[hep-ph] in the gravity theory of AdS/QCD. The finite temperature observables are calculated in two ways: first, from the…

High Energy Physics - Phenomenology · Physics 2011-03-04 E. Megias , H. J. Pirner , K. Veschgini

We study the confinement/deconfinement transition of QCD matter for a quark-gluon plasma at finite density using AdS/QCD duality. In order to determine the critical temperature and its dependence on the quark chemical potential, the…

High Energy Physics - Theory · Physics 2024-07-01 Nelson R. F. Braga , Octavio C. Junqueira

We derive a holographic prediction of the deconfinement temperature $T_c$ at vanishing chemical potential within a simplest AdS/QCD model with dynamical dilaton. Our analysis leads to a linear relation between $T_c^4$ and the gluon…

High Energy Physics - Phenomenology · Physics 2020-09-21 S. S. Afonin

We study finite temperature properties of four dimensional QCD-like gauge theories in the gauge theory/gravity duality picture. The gravity dual contains two deformed 5d AdS metrics, with and without a black hole, and a dilaton. We study…

High Energy Physics - Phenomenology · Physics 2010-10-27 K. Kajantie , T. Tahkokallio , Jung-Tay Yee

We propose a finite-temperature holographic model with a soft-wall geometry that incorporates two scalar fields, dual to the gluon and chiral operators. A series solution is presented as the dynamical, black-hole solution to Einstein's…

High Energy Physics - Phenomenology · Physics 2011-08-03 Thomas M. Kelley

The theory of confinement and deconfinement is discussed as based on the properties of the QCD vacuum. The latter are described by field correlators of colour-electric and colour-magnetic fields in the vacuum, which can be calculated…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. V. Nefediev , Yu. A. Simonov , M. A. Trusov

We calculate the pressure, entropy density, trace anomaly and speed of sound of the gluon plasma using the dilaton potential of Ref. arXiv:0911.0627[hep-ph] in the dilaton-gravity theory of AdS/QCD. The finite temperature observables are…

High Energy Physics - Theory · Physics 2011-02-03 E. Megias , H. J. Pirner , K. Veschgini

The application of Riemannian geometry to the analysis of the equilibrium thermodynamics in Quantum Chromodynamics (QCD) at finite temperature and baryon density gives a new method to evaluate the critical temperature, $T_c$, of the…

Nuclear Theory · Physics 2020-12-16 Paolo Castorina , Mauro Imbrosciano , Daniele Lanteri

The problem of self-consistent estimates of the deconfinement temperature Tc in the framework of the bottom-up holographic approach to QCD is scrutinized. It is shown that the standard soft wall model gives Tc for planar gluodynamics around…

High Energy Physics - Phenomenology · Physics 2014-10-28 S. S. Afonin , A. D. Katanaeva

We put forward an alternative way to estimate the deconfinement temperature in bottom-up holographic models. The deconfinement in AdS/QCD is related to the Hawking-Page phase transition, in which the critical Hawking temperature is…

High Energy Physics - Phenomenology · Physics 2019-01-11 S. S. Afonin , A. D. Katanaeva

In this paper, we discuss the holographic first order QCD phase transition with gluon condensate and the generation of gravitational waves (GWs) from the phase transition. The first order QCD phase transition is dual to the first order…

High Energy Physics - Phenomenology · Physics 2024-01-17 Zhou-Run Zhu , Jun Chen , Defu Hou

The Equation of State and the properties of matter in the high temperature deconfined phase are analyzed by a quasiparticle approach for $T> 1.2~T_c$. In order to fix the parameters of our model we employ the lattice QCD data of energy…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paolo Castorina , Massimo Mannarelli

In this short note we address the issue of obtaining the temperature dependence of the QCD conformal anomaly from a top-down holographic dual consistent with very recent lattice results for both, T<Tc and T>Tc. As the holographic dual, we…

High Energy Physics - Theory · Physics 2020-08-26 Aalok Misra , Charles Gale

Non-central heavy ion collisions lead to the production of a quark gluon plasma with angular momentum. We investigate, using holographic AdS/QCD models, how does rotation of the medium affects the confinement/deconfinement transition…

High Energy Physics - Theory · Physics 2022-05-25 Nelson R. F. Braga , Luiz F. Faulhaber , Octavio C. Junqueira

We investigate rotating effect on deconfinement phase transition in an Einstein-Maxwell-Dilaton(EMD) model in bottom-up holographic QCD approach. By constructing a rotating black hole, which is supposed to be dual to rotating strongly…

High Energy Physics - Phenomenology · Physics 2021-08-04 Xun Chen , Lin Zhang , Danning Li , Defu Hou , Mei Huang

A Hawking-Page phase transition between AdS thermal and AdS Black Hole was presented as a mechanism for explaining the QCD deconfinement phase transition within holographic models. In order to implement temperature dependence in the…

High Energy Physics - Phenomenology · Physics 2023-11-23 Matteo Rinaldi , Vicente Vento

We review 5D holographic approaches to finite temperature QCD. Thermodynamic properties of the "hard-wall" and the "soft-wall" models are derived. Various non-realistic features in these models are cured by the set-up of improved…

High Energy Physics - Theory · Physics 2009-05-22 Umut Gursoy

In this paper, we employ the gauge/gravity duality to study some features of the quark gluon plasma. For this purpose, we implement a holographic QCD model constructed from an Einstein-Maxwell-Dilaton gravity at finite temperature and…

High Energy Physics - Phenomenology · Physics 2024-02-23 Sara Heshmatian , Razieh Morad
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