2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176318Lattice QCD studies on charmonium at finite temperature are presented After a discussion about problems for the Maximum Entropy Method applied to finite temperature lattice QCD, I show several results on charmonium spectral functions. The ``wave function'' of charmonium is also discussed to study the spatial correlation between quark and anti-quark in deconfinement phase.8pages, 4figures, talk presented at Hard Probes 2006High Energy Physics - Latticetext