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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

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

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

Previous studies have indicated that the peak of the quarkonium entropy at the deconfinement transition can be related to the entropic force which would induce the dissociation of heavy quarkonium. In this paper, we study the entropic force…

Nuclear Theory · Physics 2022-11-09 Ping-ping Wu , Zi-qiang Zhang , Xiangrong Zhu

The behavior of quark matter with both external electric field and chiral chemical potential is theoretically and experimentally interesting to consider. In this paper, the case of simultaneous presence of imaginary electric field and…

High Energy Physics - Lattice · Physics 2024-08-26 Ji-Chong Yang , Xin Zhang , Jian-Xing Chen

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

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

Previous research has shown that the peak of the quarkonium entropy at the deconfinement transition would be related to the entropic force which induces the melting of quarkonium. In this article, we study the effect of backreaction on the…

High Energy Physics - Theory · Physics 2020-05-20 Zi-qiang Zhang

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

Recently it has been shown that the peak of the quarkonium entropy at the deconfinement transition is related to the emergent entropic force which destructs the quarkonium. Using the AdS/CFT correspondence, we consider dissociation of a…

High Energy Physics - Phenomenology · Physics 2016-07-20 Kazem Bitaghsir Fadafan , Seyed Kamal Tabatabaei

Properties of QCD at finite imaginary chemical potential are revisited to utilize for the model building of QCD in low energy regimes. For example, the electric holonomy which is closely related to the Polyakov-loop drastically affects…

High Energy Physics - Phenomenology · Physics 2016-03-17 Kouji Kashiwa

There are two important different mechanisms, the imaginary potential and entropic force, to investigate the dissociation of heavy quarkonia. In this paper, we calculate these two quantities for static and moving quarkonia in the rotating…

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

We studied the properties of the heavy quarkonia in the presence of finite quark-chemical potential for different number of flavors by using the quasi particle approach. The effect of the finite quark-chemical potential has been…

High Energy Physics - Theory · Physics 2023-11-28 Siddhartha Solanki , Vineet Kumar Agotiya

We have studied the quasi-free dissociation of quarkonia through a complex potential which is obtained by correcting both the perturbative and nonperturbative terms of the $Q \bar Q$ potential at T=0 through the dielectric function in…

High Energy Physics - Phenomenology · Physics 2015-06-18 Lata Thakur , Uttam Kakade , Binoy Krishna Patra

The chemical potential of a metal film within the jellium model with taking into account the Coulomb interaction between electrons is calculated. The surface potential is modeled as the infinite rectangular potential well. The behavior of…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 P. P. Kostrobij , B. M. Markovych

Using the AdS/CFT duality, we study the destruction of a rotating heavy quarkonium due to the entropice force in $\mathcal{N}=4$ SYM theory and a confining YM theory. It is shown that in both theories increasing the angular velocity leads…

High Energy Physics - Theory · Physics 2016-11-28 Zi-qiang Zhang , Chong Ma , De-fu Hou , Gang Chen

The relativistic correction of the AdS/CFT implied heavy quark potential is examined within the framework of the potential model. For the typical range of the coupling strength appropriate to heavy-ion collisions, we find the correction is…

High Energy Physics - Phenomenology · Physics 2015-06-11 Yan Wu , Defu Hou , Hai-cang Ren

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

We derive equations of motion for the reduced density matrix of a heavy quarkonium in contact with a quark-gluon plasma in thermal equilibrium. These equations allow in particular a proper treatment of the regime when the temperature of the…

High Energy Physics - Phenomenology · Physics 2018-10-17 Jean-Paul Blaizot , Miguel Angel Escobedo

We study the behavior of the complex potential between a heavy quark and its antiquark, which are in relative motion with respect to a hot and dense medium. The heavy quark-antiquark complex potential is obtained by correcting both the…

High Energy Physics - Phenomenology · Physics 2017-02-22 Lata Thakur , Najmul Haque , Hiranmaya Mishra
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