Potential models and lattice correlators for quarkonia at finite temperature

TL;DR

This paper enhances potential models for quarkonium at finite temperature by incorporating zero mode effects, aligning model predictions more closely with lattice QCD results and reinforcing their utility alongside lattice methods.

Contribution

It introduces zero mode effects into potential model calculations of quarkonium correlators at finite temperature, improving agreement with lattice data.

Findings

Zero mode effects significantly improve model-lattice agreement.

Potential models remain valuable tools at finite temperature.

Discrepancies with previous models are reduced.

Abstract

We update our recent calculation of quarkonium Euclidean correlators at finite temperatures in a potential model by including the effect of zero modes in the lattice spectral functions. These contributions cure most of the previously observed discrepancies with lattice calculations, supporting the use of potential models at finite temperature as an important tool to complement lattice studies.