Viscosity of pure-glue QCD from the lattice

URN to cite this document:: urn:nbn:de:bvb:355-epub-554443
DOI to cite this document:: 10.5283/epub.55444

Altenkort, Luis

; Eller, Alexander M. ; Francis, Anthony

; Kaczmarek, Olaf

; Mazur, Lukas

; Moore, Guy D. ; Shu, Hai-Tao

	License: Creative Commons Attribution 4.0 PDF - Published Version (1MB)
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Date of publication of this fulltext: 08 Feb 2024 13:49

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Abstract

We calculate shear viscosity and bulk viscosity in SU(3) gauge theory on the lattice at 1.5Tc. The viscosities are extracted via a Kubo formula from the reconstructed spectral function which we determine from the Euclidean time dependence of the corresponding channel of the energy-momentum tensor correlators. We obtain unprecedented precision for the correlators by applying gradient-flow and ...