Theory of Quarkonia as Probes for Deconfinement

Abstract

This is a plenary talk given at Quark Matter 2025, summarizing recent theoretical developments for the understanding of quarkonium production in relativistic heavy ion collisions and how quarkonium uniquely probes the deconfined phase of QCD matter.

Comments: 6 pages, contribution to the proceedings of the XXXI International Conference on Ultra-relativistic Nucleus-Nucleus Collisions (Quark Matter 2025) in Frankfurt; v2: corrected some typos