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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 calculate for the first time the complex potential between a heavy quark and antiquark at finite temperature across the deconfinement transition in lattice QCD. The real and imaginary part of the potential at each separation distance $r$…

High Energy Physics - Lattice · Physics 2013-05-30 Alexander Rothkopf , Tetsuo Hatsuda , Shoichi Sasaki

The measurements of heavy quarkonium suppression at RHIC and LHC urge theory to develop intuitive as well as quantitative methods for the description of $Q\bar{Q}$ melting in the quark-gluon plasma. Here I will present a brief sketch on the…

High Energy Physics - Phenomenology · Physics 2012-08-30 Alexander Rothkopf

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

Recently a lot of progress has been made in deriving the heavy quark potential within a QCD medium. In this article we have considered heavy quarkonium in a hot quark gluon plasma phase. The heavy-quark potential has been modeled properly…

Nuclear Theory · Physics 2018-06-26 P. K. Srivastava , O. S. K. Chaturvedi , Lata Thakur

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 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

The in-medium physics of heavy quarkonium is an ideal proving ground for our ability to connect knowledge about the fundamental laws of physics to phenomenological predictions. One possible route to take is to attempt a description of heavy…

High Energy Physics - Phenomenology · Physics 2013-02-26 Alexander Rothkopf

The quarkonium states in a quark-gluon plasma is examined with the heavy quark potential implied by the holographic principle. Both the vanila AdS-Schwarzschild metric and the one with an infrared cutoff are considered. The dissociation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Defu Hou , Hai-cang Ren

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

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

A calculation of the melting temperatures of heavy quarkonium states with the holographic potential was introduced in a previous work. In this paper, we consider the holographic potential at sub-leading order, which permits finite coupling…

High Energy Physics - Phenomenology · Physics 2016-07-15 Zi-qiang Zhang , Yan Wu , De-fu Hou

Following a recent work on the effective description of the equations of state for hot QCD obtained from a Hard thermal loop expression for the gluon self-energy, in terms of the quasi-gluons and quasi- quark/anti-quarks with respective…

Nuclear Theory · Physics 2016-11-09 Vineet K. Agotiya , Vinod Chandra , M. Yousuf Jamal , Indrani Nilima

We investigate the real-time evolution of quarkonium bound states in a quark-gluon plasma in one dimension using an improved QCD based stochastic potential model. This model describes the quarkonium dynamics in terms of a Schr\"odinger…

Nuclear Theory · Physics 2018-02-07 Shiori Kajimoto , Yukinao Akamatsu , Masayuki Asakawa , Alexander Rothkopf

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

We propose an open quantum systems approach to the physics of heavy quarkonia in a thermal medium, based on stochastic quantum evolution. This description emphasizes the importance of collisions with the environment and focuses on the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Yukinao Akamatsu , Alexander Rothkopf

The real-time dissociation of the heavy quarkonium in a strongly coupled boost-invariant non-Abelian plasma relaxing towards equilibrium is analyzed in a holographic framework. The effects driving the plasma out of equilibrium are described…

High Energy Physics - Phenomenology · Physics 2017-09-08 L. Bellantuono , P. Colangelo , F. De Fazio , F. Giannuzzi , S. Nicotri

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

For a moving heavy quark antiquark ($Q\bar{Q}$) in a quark gluon plasma (QGP), we use gauge/gravity duality to study both real and imaginary parts of the potential (Re$V_{Q\bar{Q}}$ and Im$V_{Q\bar{Q}}$ respectively) in a gluon condensate…

High Energy Physics - Phenomenology · Physics 2023-03-30 Sara Tahery , Xurong Chen , Zi-qiang Zhang

Machine learning techniques have emerged as powerful tools for tackling non-perturbative challenges in quantum chromodynamics. In this study, we introduce a data-driven framework employing deep neural networks to systematically predict the…

High Energy Physics - Phenomenology · Physics 2025-09-19 Mohammad Yousuf Jamal , Fu-Peng Li , Long-Gang Pang , Guang-You Qin
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