Lattice calculation of the heavy quark potential at non-zero temperature

Abstract

We calculated the real and imaginary parts of the static quark anti-quark potential at T>0 in 2+1 flavor QCD using correlators of Wilson lines in Coulomb gauge and lattices with temporal extent N_tau=12. We find that the real part of the potential is larger than the singlet free energy but smaller than the zero temperature potential. The imaginary part of the potential is similar in size to the perturbative HTL result.

LaTeX, 4 pages, 3 figures, uses elsarticle.cls , proceedings of Hard Probes 2013, 3-8 November 2013 Stellenbosch, South Africa

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• Static quark-antiquark pairs at finite temperature
• Charmonium properties in hot quenched lattice QCD
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