We present the first calculations of the heavy flavor diffusion coefficient using lattice QCD with light dynamical quarks. For temperatures 195MeV<T<352MeV, the heavy quark spatial diffusion coefficient is found to be significantly smaller than previous quenched lattice QCD and recent phenomenological estimates. The result implies very fast hydrodynamization of heavy quarks in the quark-gluon plasma created during ultrarelativistic heavy-ion collision experiments.
@article{arxiv.2302.08501,
title = {Heavy Quark Diffusion from 2+1 Flavor Lattice QCD with 320 MeV Pion Mass},
author = {Luis Altenkort and Olaf Kaczmarek and Rasmus Larsen and Swagato Mukherjee and Peter Petreczky and Hai-Tao Shu and Simon Stendebach},
journal= {arXiv preprint arXiv:2302.08501},
year = {2023}
}