Heavy quarkonium in a holographic QCD model

2007/03/31 by Youngman Kim, Jong-Phil Lee, Su Houng Lee · 6 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Bound state #High-Energy Particle Collisions Research #Meson #Nuclear physics #Particle physics #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quark #Quarkonium #hep-ph

paper · pdf · doi:10.1103/physrevd.75.114008

published as Phys.Rev.D75:114008,2007 · 9 pages, 1 figure, minor revision, to appear in phys. Rev. D

arxiv created 2007/06/20 · openalex publication_date 2007/06/20 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Encouraged by recent developments in AdS/QCD models for the light quark system, we study heavy quarkonium in the framework of the AdS/QCD models. We calculate the masses of cc vector meson states using the AdS/QCD models at zero and at finite temperature. Among the models adopted in this work, we find that the soft-wall model describes the low-lying heavy quark meson states at zero temperature relatively well. At finite temperature, we observe that once the bound state is above T_c, its mass will increase with temperature until it dissociates at a temperature of around 494 MeV. It is shown that the dissociation temperature is fixed by the infrared cutoff of the models. The present model serves as a unified nonperturbative model to investigate the properties of bound quarkonium states above T_c.

Citations

• Heavy quark free energies, potentials and the renormalized Polyakov loop
• Effective-field theories for heavy quarkonium
• Mass Shift and Width Broadening ofJ/ψin Hot Gluonic Plasma from QCD Sum Rules
• Quarkonium production in ultra-relativistic nuclear collisions: suppression versus enhancement
• Thermodynamics of black holes in anti-de Sitter space
• Charmonium: Comparison with experiment
• QCD and a Holographic Model of Hadrons
• The large N limit of superconformal field theories and supergravity

Cited by

• Phase transition dynamics and itsα′corrections
• Melting of charmonium in a magnetic field from an effective AdS/QCD model
• Holography at Work for Nuclear and Hadron Physics
• Heavy quarkonium in extreme conditions
• Holographic mesons in D4/D6 model revisited
• Holographic estimate of heavy quark diffusion in a magnetic field
• A unified approach to hadron phenomenology at zero and finite temperatures in a hard-wall AdS/QCD model