Discretisation Errors in Landau Gauge on the Lattice

F. D. R. Bonnet, P. O. Bowman, D. B. Leinweber +2

Lattice discretisation errors in the Landau gauge condition are examined. An improved gauge fixing algorithm in which $\mathcal{O}(a^2)$ errors are removed is presented. ${\cal O}(a^2…