Heavy quark diffusion coefficient with gradient flow

Viljami Leino, Nora Brambilla, Julian Mayer-Steudte, Peter Petreczky

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


The heavy quark diffusion coefficient is encoded in the spectral functions of the chromo-electric and the chromo-magnetic correlators, of which the latter describes the T/M contribution. We study these correlators at two different temperatures T = 1.5Tc and T = 104Tc in the deconfined phase of SU(3) gauge theory. We use gradient flow for noise reduction. We perform both continuum and zero flow time limits to extract the heavy quark diffusion coefficient. Our results imply that the mass suppressed effects in the heavy quark diffusion coefficient are 20% for bottom quarks and 34% for charm quark at T = 1.5Tc

Original languageEnglish
Article number183
JournalProceedings of Science
StatePublished - 6 Apr 2023
Event39th International Symposium on Lattice Field Theory, LATTICE 2022 - Bonn, Germany
Duration: 8 Aug 202213 Aug 2022


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