2004/04/30 by Atsushi Nakamura, Takuya Saito · 5 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-lat
paper · pdf · doi:10.1143/ptp.111.733
published as Prog.Theor.Phys. 111 (2004) 733-743 · 12 pages, 9 figures, typos corrected, to appear in Prog. Theor. Phys
arxiv created 2004/04/30 · openalex publication_date 2004/05/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
SU(3) heavy quark potentials at finite temperature are studied with quenched lattice QCD using the stochastic gauge-fixing method. In addition to the standard color average channel, we investigate qq potentials in singlet and octet channels. The singlet qq channel yields an attractive force, while the octet qq potential is repulsive; the corresponding color average channel also results in an attractive force. As the temperature increases, these forces become weak and their variations are very small; at T/Tc = 1.8 − 5.6, the singlet attractive force survives over R ∼ 1/T. The singlet and octet potentials calculated with this algorithm have a small gauge dependence when the gauge parameter α is changed from 0.6 to 1.3.