Flux tubes and topological charges in finite-temperature lattice QCD
Abstract
Topological 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 Q pair. With dynamical quarks, the flux tube breaks when the distance between the static quark and antiquark increases.
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