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High Energy / Nuclear Theory / RIKEN seminars

[NT/RIKEN seminar] Heavy quark diffusion constant from the lattice

by Viljami Leino (Munich Tech. U.)




In this talk I will report our recent results on the computation of the heavy quark momentum diffusion coefficient from the correlator of two chromoelectric fields attached to a Polyakov loop in pure SU(3) gauge theory on lattice. We measured the diffusion coefficient on very wide range of temparatures from 1.1Tc to 10^4Tc. We see an agreement to perturbation theory at very high temperatures and can for the first time fit a temperature dependence of this quantity.