2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38956Topological properties of the vacuum were investigated in finite-temperature lattice QCD without and with dynamical quarks using a local operator of topological charge density and a variant of cooling. Below the deconfinement temperature evidence for flux tube formation was observed in the distribution of topological charge density around a static $Q\bar Q$ pair. With dynamical quarks, the flux tube breaks when the distance between the static quark and antiquark increases.4 pages, PostScript, uuencoded compressed tar file (contributed talk at the International Conference on Quark Confinement and the Hadron Spectrum, Villa Olmo--Como, Italy, 20-24 June, 1994)High Energy Physics - Latticetext