Step scaling with gradient flow and finite temperature

Author:

Parikshit M. Junnarkar, Guy D. Moore, Aidan Chaumet

Keyword:

High Energy Physics - Lattice, High Energy Physics - Lattice (hep-lat)

journal:

date:

2023-08-07 16:00:00

Abstract

We combine gradient flow, step-scaling, and finite-temperature boundary conditions to scale-set 2+1+1 flavor QCD lattices with physical HISQ quarks at multiple spacings down to a=0.01378 fm, such that they represent the same temperature at the percent level and the same quark mass to a few percent. This preparatory work will allow the evaluation and continuum extrapolation of the topological susceptibility at up to 1 GeV temperatures with good control over quark-mass effects.

PDF: Step scaling with gradient flow and finite temperature.pdf