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We extend previous work on dynamical AdS/QCD models by introducing an extra ingredient under the form of a background magnetic field, this to gain insight into the influence such field can have on crucial QCD observables. Therefore, we…

High Energy Physics - Theory · Physics 2020-01-29 Hardik Bohra , David Dudal , Ali Hajilou , Subhash Mahapatra

We derive an explicit form of the dilaton potential in improved holographic QCD (IHQCD) from the QCD lattice data of the chiral condensate as a function of the quark mass. This establishes a data-driven holographic modeling of QCD --…

High Energy Physics - Theory · Physics 2022-11-28 Koji Hashimoto , Keisuke Ohashi , Takayuki Sumimoto

We employ an analytic solution of a magnetized Einstein-Maxwell-dilaton gravity system whose parameters have been determined so that its holographic dual has the most similarity to a confining QCD-like theory influenced by a background…

High Energy Physics - Theory · Physics 2022-02-02 Leila Shahkarami

We extend earlier work by introducing an Einstein-Maxwell-dilaton (EMD) action with two quark flavours. We solve the corresponding equations of motion in the quenched approximation (probe quark flavours) via the potential reconstruction…

High Energy Physics - Theory · Physics 2021-05-12 D. Dudal , A. Hajilou , S. Mahapatra

In our previous paper [arXiv:2011.07023] we have constructed a twice anisotropic five-dimensional holographic model supported by Einstein-dilaton-three-Maxwell action that reproduced some essential features of the "heavy quarks" model.…

High Energy Physics - Theory · Physics 2024-02-01 Irina Ya. Aref'eva , Ali Hajilou , Kristina Rannu , Pavel Slepov

We construct an improved soft-wall AdS/QCD model with a cubic coupling term of the dilaton and the bulk scalar field. The background fields in this model are solved from the Einstein-dilaton system with a nontrivial dilaton potential, which…

High Energy Physics - Phenomenology · Physics 2020-06-23 Zhen Fang , Yue-Liang Wu

We investigate the chemical potential effects of the equation of state and the chiral transition in an Einstein-Maxwell-dilaton-scalar system, which is obtained from an improved soft-wall AdS/QCD model coupled with an…

High Energy Physics - Phenomenology · Physics 2024-12-30 Xin-Yi Liu , Xiao-Chang Peng , Yue-Liang Wu , Zhen Fang

We present a fully back-reacted Einstein--Maxwell--Dilaton--flavor model with dynamical light and strange sectors, calibrated to lattice QCD using a machine-learning--assisted spectral method. The model reproduces the 2+1-flavor equation of…

High Energy Physics - Phenomenology · Physics 2025-12-24 Jin-Yang Shen , Xin-Yi Liu , Jin-Rui Wu , Yue-Liang Wu , Zhen Fang

We consider a twice anisotropic five-dimensional holographic model supported by Einstein-dilaton-three-Maxwell action that was constructed in the paper [arXiv:2011.07023]. Although, that model reproduced some essential features of the…

High Energy Physics - Theory · Physics 2024-10-24 Ali Hajilou

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

We present a five-dimensional fully anisotropic holographic model for heavy quarks supported by Einstein-dilaton-three-Maxwell action; one of the Maxwell fields is related to an external magnetic field. Influence of the external magnetic…

High Energy Physics - Theory · Physics 2022-03-24 Irina Ya. Aref'eva , Kristina Rannu , Pavel Slepov

We investigate the QCD phase transition and its phase structure within Einstein-Maxwell-Dilaton-scalar system and compare the results with those obtained from the Einstein-Maxwell-Dilaton system. It is shown that both models reproduce…

High Energy Physics - Phenomenology · Physics 2025-09-18 Xin-Yi Liu , Yue-Liang Wu , Zhen Fang

Magnetic effects on chiral phase transition have been investigated in a modified soft-wall AdS/QCD model, in which the dilaton field is taken to be negative at the ultraviolet region and positive at the infrared region as in…

High Energy Physics - Theory · Physics 2017-03-08 Danning Li , Mei Huang , Yi Yang , Pei-Hung Yuan

In this paper, we extend the work on the AdS/QCD model to quadratic gravity to gain insight into the influence of gravity. We obtain an anisotropic black brane solution to a $5D$ Einstein-Gauss-Bonnet-two Maxwell-dilaton system. The…

High Energy Physics - Theory · Physics 2023-02-15 S. N. Sajadi

We discuss the entropy carried by a quark-antiquark pair, in particular across the deconfinement transition. We therefore rely on a self-consistent solution to Einstein-Maxwell-dilaton gravity, capable of mimicking essential features of…

High Energy Physics - Theory · Physics 2017-12-27 David Dudal , Subhash Mahapatra

In this paper, we consider the Einstein-Maxwell-dilaton holographic model for light quarks with nonzero magnetic field and chemical potential. First, we study the phase diagrams in $T-\mu$ and $T-B$ planes. We observe inverse magnetic…

High Energy Physics - Phenomenology · Physics 2024-09-16 Zhou-Run Zhu , Defu Hou

Supplementing the holographic Einstein-Maxwell-dilaton model of [O. DeWolfe, S.S. Gubser, C. Rosen, Phys. Rev. D83 (2011) 086005; O. DeWolfe, S.S. Gubser, C. Rosen, Phys. Rev. D84 (2011) 126014] by input of lattice QCD data for 2+1 flavors…

High Energy Physics - Phenomenology · Physics 2018-02-06 J. Knaute , R. Yaresko , B. Kämpfer

We provide a review to holographic models based on Einstein-dilaton gravity with a potential in 5 dimensions. Such theories, for a judicious choice of potential are very close to the physics of large-N YM theory both at zero and finite…

High Energy Physics - Theory · Physics 2011-03-31 Umut Gürsoy , Elias Kiritsis , Liuba Mazzanti , Georgios Michalogiorgakis , Francesco Nitti

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

We consider an improved soft-wall AdS/QCD model coupled to an Einstein-dilaton system, which offers a way to study the deconfining and chiral transitions simultaneously. The correlation between these two transitions has been investigated in…

High Energy Physics - Phenomenology · Physics 2022-03-02 Ying-Ying Li , Xing-Lin Liu , Xin-Yi Liu , Zhen Fang
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