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Related papers: Chiral Phase Transition in the Soft-Wall Model of …

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With proper profiles of the scalar potential and the dilaton field, for the first time, the spontaneous chiral symmetry breaking in the vacuum and its restoration at finite temperature are correctly realized in the holographic QCD…

High Energy Physics - Phenomenology · Physics 2016-05-11 Kaddour Chelabi , Zhen Fang , Mei Huang , Danning Li , Yue-Liang Wu

The chiral phase boundary of nuclear matter is expected to have a critical point where the rapid crossover of lattice methods at zero chemical potential becomes a first-order phase transition. Phenomenological models based on the AdS/CFT…

High Energy Physics - Phenomenology · Physics 2024-04-17 Sean P. Bartz , Robert C. Meadows , Glenn Brock

We show how to incorporate chiral symmetry breaking in the soft-wall version of the AdS/QCD model by using a modified dilaton profile and a quartic term in the bulk scalar potential. This allows one to separate the dependence on spontaneous…

High Energy Physics - Phenomenology · Physics 2010-04-23 Tony Gherghetta , Joseph I. Kapusta , Thomas M. Kelley

We incorporate chiral symmetry breaking in a soft-wall version of the AdS/QCD model by using a modified dilaton profile and a quartic term in the bulk scalar potential. This allows one to separate the dependence on spontaneous and explicit…

High Energy Physics - Phenomenology · Physics 2015-05-13 Joseph I. Kapusta , Thomas M. Kelley , Tony Gherghetta

We study the chemical potential effects on the chiral phase transition in a simply improved soft-wall AdS/QCD model, which can realize consistently the properties of linear confinement and spontaneous chiral symmetry breaking. The $\mu-T$…

High Energy Physics - Phenomenology · Physics 2019-03-06 Zhen Fang , Yue-Liang Wu , Lin Zhang

The phase transition from hadronic matter to chirally-symmetric quark-gluon plasma is expected to be a rapid crossover at zero quark chemical potential ($\mu$), becoming first order at some finite value of $\mu$, indicating the presence of…

High Energy Physics - Phenomenology · Physics 2018-04-25 Sean P. Bartz , Theodore Jacobson

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 study the chiral phase transition with 2 + 1 quark flavors in an improved soft-wall AdS/QCD model, which can produce the light meson spectrum and many other low-energy quantities consistent with experiments in the two-flavor case. The…

High Energy Physics - Phenomenology · Physics 2018-12-12 Zhen Fang , Yue-Liang Wu , Lin Zhang

We give a further study on the improved soft-wall AdS/QCD model with two flavors. The chiral transition behaviors are studied in the case of finite chemical potential, with the chiral phase diagram obtained at zero quark mass. The thermal…

High Energy Physics - Phenomenology · Physics 2019-10-08 Zhen Fang , Lin Zhang

We explore the phase structure of a chiral model of constituent quarks and gluons implementing scale symmetry breaking at finite temperature and chemical potential. In this model the chiral dynamics is intimately linked to the trace anomaly…

High Energy Physics - Phenomenology · Physics 2015-05-30 Chihiro Sasaki , Igor Mishustin

We investigate the real-time dynamics of the chiral phase transition in a soft-wall AdS/QCD model, of which the mass plane phase diagram from equilibrium calculation is qualitatively consistent with the so-called Columbia plot. By directly…

High Energy Physics - Phenomenology · Physics 2025-07-30 Han Tang , Bin Dong , Nanxiang Wen , Yidian Chen , Danning Li

The AdS/CFT correspondence may offer new and useful insights into the non-perturbative regime of strongly coupled gauge theories such as Quantum Chromodynamics. Soft-wall AdS/QCD models have reproduced the linear trajectories of meson…

High Energy Physics - Phenomenology · Physics 2015-06-17 Sean P. Bartz , Joseph I. Kapusta

We investigate the static scaling behavior of the chiral condensate near the two-flavor critical point within the framework of the soft-wall AdS/QCD. The scaling functions are extracted from the chiral order parameters and are found to…

High Energy Physics - Phenomenology · Physics 2025-07-31 Zhongzheng Zhang , Danning Li , Lang Yu , Zhibin Li , Xinyang Wang

The mass sensitivity of the chiral phase transition of QCD with and without axial $U_A(1)$-symmetry breaking at vanishing and finite quark chemical potential is investigated. To focus on the low-energy sector of QCD, a quark-meson model…

High Energy Physics - Phenomenology · Physics 2019-04-17 Simon Resch , Fabian Rennecke , Bernd-Jochen Schaefer

We investigate in detail the chiral thermal transition of QCD in an improved soft-wall AdS/QCD model with a simply modified 5D conformal mass of the bulk scalar field. We also present a calculation in this model for the light meson spectra…

High Energy Physics - Phenomenology · Physics 2016-09-14 Zhen Fang , Yue-Liang Wu , Lin Zhang

The predictive soft-wall AdS/QCD model with a modified 5D metric at the infrared region is constructed to obtain a non-trivial dilaton solution for three flavor quarks $u$, $d$ and $s$. Such a model is shown to incorporate both the chiral…

High Energy Physics - Phenomenology · Physics 2011-05-10 Yan-Qin Sui , Yue-Liang Wu , Yi-Bo Yang

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

We investigate the in-medium behavior of mesons at finite temperature and baryon chemical potential within a soft-wall model of AdS/QCD. We use a quartic scalar potential to obtain the correct form of chiral symmetry breaking. At zero quark…

High Energy Physics - Phenomenology · Physics 2016-11-02 Sean P. Bartz , Theodore Jacobson

The real-time dynamics of chiral phase transition is investigated in a two-flavor ($N_f=2$) soft-wall AdS/QCD model. To understand the dynamics of thermalization, we quench the system from initial states deviating from the equilibrium…

High Energy Physics - Phenomenology · Physics 2023-04-19 Xuanmin Cao , Jingyi Chao , Hui Liu , Danning Li

We give a further study on chiral phase diagram in the improved soft-wall AdS/QCD model with $2+1$ flavors. The equations of motion for the octet pseudoscalar, vector and axial-vector mesons are derived to compute the octet meson spectra…

High Energy Physics - Phenomenology · Physics 2019-09-18 Zhen Fang , Yue-Liang Wu , Lin Zhang
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