https://doi.org/10.1140/epjc/s10052-019-6706-7
Regular Article - Theoretical Physics
Topological susceptibility at 
from master-field simulations of the SU(3) gauge theory
1
Dipartimento di Fisica, Università di Milano-Bicocca and INFN Sezione di Milano-Bicocca, Piazza della Scienza 3, 20126, Milano, Italy
2
Theoretical Physics Department, CERN, 1211, Geneva 23, Switzerland
3
Albert Einstein Center for Fundamental Physics, Institut für Theoretische Physik, Universität Bern, Sidlerstrasse 5, 3012, Bern, Switzerland
* e-mail: Martin.Luescher@cern.ch
Received:
17
December
2018
Accepted:
19
February
2019
Published online:
7
March
2019
The topological susceptibility is computed in the 
gauge theory at temperatures T above the critical temperature 
using master-field simulations of very large lattices, where the infamous topology-freezing issue is effectively bypassed. Up to 
no unusually large lattice effects are observed and the results obtained in the continuum limit confirm the expected rapid decay of the susceptibility with increasing temperature. As a byproduct, the reference gradient-flow time 
is determined in the range of lattice spacings from 0.023 to 
with a precision of 2 per mille.
© The Author(s), 2019
