English
Related papers

Related papers: Imaginary potential and thermal width in the spinn…

200 papers

We study the effect of finite 't Hooft coupling corrections on the imaginary potential and the thermal width of a moving heavy quarkonium from the AdS/CFT correspondence. To study these corrections, we consider $\mathcal{R}^4$ terms and…

High Energy Physics - Theory · Physics 2016-08-24 Kazem Bitaghsir Fadafan , Seyed Kamal Tabatabaei

In this paper, we examine the thermodynamics of heavy quarkonium in the spinning black hole background. Specifically, we investigate the effect of angular momentum on the interquark distance, free energy, binding energy, entropy, entropic…

High Energy Physics - Phenomenology · Physics 2024-12-09 Zhou-Run Zhu , Sheng Wang , Xun Chen , Jun-Xia Chen , Defu Hou

By the use of the gauge/gravity duality, we calculate the imaginary part of heavy quarkonium potential and thermal width with the effect of gluon condensate which is absent in AdS$_{5}$ background. Our results show that the dropping gluon…

High Energy Physics - Phenomenology · Physics 2020-03-18 Yan-Qing Zhao , Zhou-Run Zhu , Xun Chen

The melting of a heavy quark-antiquark bound state depends on the screening phenomena associated with the binding energy, as well as scattering phenomena associated with the imaginary part of the potential. We study the imaginary part of…

High Energy Physics - Theory · Physics 2014-10-08 M. Ali-Akbari , D. Giataganas , Z. Rezaei

Utilizing an emergent metric developed from deep learning techniques, we determine the complex potential associated with static quarkonium. This study explores the disintegration process of quarkonium by analyzing the real component of this…

High Energy Physics - Phenomenology · Physics 2025-03-13 Mahdi Mansouri , Kazem Bitaghsir Fadafan , Xun Chen

Within the methods of the real and the imaginary potential for investigating the melting of a heavy quarkonium in the AdS/CFT correspondence, we study the effects of the dynamical exponent, the hyperscaling violation parameter, and the…

High Energy Physics - Theory · Physics 2024-06-21 Marjan Kioumarsipour , Bahman Khanpour

Leveraging high-precision lattice QCD data on the equation of state and baryon number susceptibility at vanishing chemical potential, we construct a Bayesian holographic QCD model and systematically analyze the thermodynamic properties of…

High Energy Physics - Phenomenology · Physics 2025-08-19 Liqiang Zhu , Ou-Yang Luo , Xun Chen , Kai Zhou , Hanzhong Zhang , Defu Hou

Using the gauge-gravity duality we have obtained the potential between a heavy quark and an antiquark pair, which is moving perpendicular to the direction of orientation, in a strongly-coupled supersymmetric hot plasma. For the purpose we…

High Energy Physics - Theory · Physics 2015-10-28 Binoy Krishna Patra , Himanshu Khanchandani , Lata Thakur

We estimate the thermal width of a heavy quark anti-quark pair inside a strongly coupled plasma using a holographic AdS/QCD model. The imaginary part of the quark potential that produces the thermal width appears in the gravity dual from…

High Energy Physics - Theory · Physics 2016-11-23 Nelson R. F. Braga , Luiz F. Ferreira

The system of a quarkonium confined by an impenetrable spherical cavity filled with a hot quantum chromodynamics (QCD) medium is studied by solving the Schr\"{o}dinger equation. This is the first time this issue has been raised for…

Nuclear Theory · Physics 2019-07-31 Peng Cheng , Xiaofeng Luo , Jialun Ping , Hongshi Zong

We investigate the in-medium modification and dissociation of heavy quarkonium in a hot QCD medium at finite quark chemical potential and in the weak magnetic-field regime. Starting from the one-loop resummed gluon propagator in the…

High Energy Physics - Phenomenology · Physics 2026-01-16 Indrani Nilima , Mujeeb Hasan , Mohammad Yousuf Jamal , Salman Ahamad Khan , B. K. Singh

We have studied the properties of thin accretion disks around swirling-Kerr black holes, which own an extra swirling parameter describing the rotation of the immersed universe. Our results show that the swirling parameter leaves distinct…

General Relativity and Quantum Cosmology · Physics 2025-07-30 Yuxin Ouyang , Xuan Zhou , Songbai Chen , Jiliang Jing

Using a hybrid approach based on a phenomenological heavy-quark potential model and the background field effective theory, we assess the influence of a nontrivial Polyakov loop on the in-medium properties of the heavy quarkonium states.…

High Energy Physics - Phenomenology · Physics 2025-02-21 Wenqiang Liu , Lihua Dong , Yun Guo

In this paper, we investigate imaginary part of the potential for a moving quarkonia in plasma. In order to verify the validity of imaginary part of the potential we employ hyperscaling violation metric background. In QCD system the…

High Energy Physics - Theory · Physics 2017-09-08 S. Tahery , J. Sadeghi

The imaginary potential and entropic force are two important different mechanisms to characterize the dissociation of heavy quarkonia. In this paper, we calculate these two quantities in strongly coupled theories with anisotropic Lifshitz…

High Energy Physics - Theory · Physics 2022-10-26 M. Kioumarsipour , J. Sadeghi

We study quarkonium spectral functions at high temperatures using potential model with complex potential. The real part of the potential is constrained by the lattice QCD data on static quark anti-quark correlation functions, while the…

High Energy Physics - Phenomenology · Physics 2010-12-21 C. Miao , A. Mocsy , P. Petreczky

Heavy quarkonium suppression was proposed long ago as a signal of the formation of a deconfined phase in heavy ion collisions. Originally the mechanism responsible for this suppression was thought to be color screening. However perturbative…

High Energy Physics - Phenomenology · Physics 2014-01-21 Miguel Angel Escobedo

In this paper, we study the dissociation of heavy quarkonium in the spinning black hole background. Specifically, we analyze the spectral function of charmonium and bottomonium in the spinning black hole background and examine how the…

High Energy Physics - Phenomenology · Physics 2024-12-09 Zhou-Run Zhu , Manman Sun , Rui Zhou , Zhuang Ma , Jinzhong Han

From the AdS/CFT correspondence, the effects of charge and finite 't Hooft coupling correction on the thermal width of a heavy quarkonium are investigated. To study the charge effect, we consider Maxwell charge which is interpreted as quark…

High Energy Physics - Theory · Physics 2015-01-08 Kazem Bitaghsir Fadafan , Seyed Kamal Tabatabaei

The gauge/gravity duality is used to investigate the imaginary part of the heavy quark potential (defined via the rectangular Wilson loop) in strongly coupled plasmas. This quantity can be used to estimate the width of heavy quarkonia in a…

High Energy Physics - Phenomenology · Physics 2015-06-16 Stefano I. Finazzo , Jorge Noronha
‹ Prev 1 2 3 10 Next ›