Temperature Dependence of Heavy Quark Diffusion from (2+1)-flavor Lattice QCD
arXiv:2506.11958 · doi:10.1007/JHEP09(2025)180
Abstract
We present a lattice determination of the heavy-quark diffusion coefficient in (2+1)-flavor QCD with almost physical quark masses. The momentum and spatial diffusion coefficients are extracted for a wide temperature range, from MeV to GeV. The results are in agreement with previous works from the HotQCD collaboration, and show fast thermalization of the heavy quark inside the QGP. Near the chiral crossover temperature MeV, our results are close to the AdS/CFT estimation computed at strong coupling.
arXiv comment45 pages, 27 figures, 5 tables
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