PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Algorithms
Topology changing update algorithms for SU(3) gauge theory
T. Eichhorn*, C. Hoelbling, P. Rouenhoff and L. Varnhorst
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Pre-published on: December 19, 2022
Published on: April 06, 2023
Abstract
At fine lattice spacings, lattice simulations are plagued by slow (topological) modes that give rise to large autocorrelation times. These, in turn, lead to statistical and systematic errors that are difficult to estimate. We study the problem and possible algorithmic solutions in 4-dimensional SU(3) gauge theory, with special focus on instanton updates and Metadynamics.
DOI: https://doi.org/10.22323/1.430.0009
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