Nonperturbative potential for study of quarkonia in QGP

Abstract

A thermal potential can be defined to facilitate understanding the behavior of quarkonia in quark-gluon plasma. A nonperturbative evaluation of this potential from lattice QCD is difficult, as it involves real-time corelation function, and has often involved the use of Bayesian analysis, with its associated systematics. In this work we show that using the properties of the static quarkonia thermal correlation functions, one can directly extract a thermal potential for quarkonia from Euclidean Wilson loop data. This leads to a controlled extraction, and allows us to judge the suitability of various model potentials. We also discuss the phenomenology of quarkonia in the gluonic plasma.

arXiv comment17 pages, 14 figures. Argument extended in appendix, minor changes in figure label, caption, and text. No change in results

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• Color Screening in Quantum Chromodynamics
• Quarkonium propagation in the quark gluon plasma
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• The impact of fluctuating initial conditions on bottomonium suppression in 5.02 TeV heavy-ion collisions
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• The complex heavy-quark potential with the Gribov-Zwanziger action
• Static quark anti-quark interactions at non-zero temperature from lattice QCD
• Study of quarkonium in QGP from unquenched lattice QCD
• Finite Temperature Quarkonia Spectral Functions in the Pseudoscalar Channel
• Non-equilibrium evolution of quarkonium in medium in the open quantum system approach
• A `Third' Quantization Constructed for Gauge Theory of Gravity
• In-medium static quark potential from spectral functions on realistic HISQ ensembles
• Non-Markovian dynamics of bottomonia in the QGP
• Sparse modeling study of extracting charmonium spectral functions from lattice QCD at finite temperature
• Long and short distance behavior of the imaginary part of the heavy-quark potential
• The complex potential from 2+1 flavor QCD using HTL inspired approach