2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202486Using an under-relaxed cooling algorithm we investigated the vacuum in the $2d\ O(3)$ model and $4d$ pure gauge $SU(2)$. We calibrated the amount of cooling performed to have similar physical effect at different lattice spacings.3 pages, (Talk given at LATTICE'94, to appear in the proceedings. Uses espcrc2.sty. 2 uuencoded compressed postscript figs appended.)High Energy Physics - Latticetext