Bottomonium suppression in an open quantum system using the quantum trajectories method

Abstract

We solve the Lindblad equation describing the Brownian motion of a Coulombic heavy quark-antiquark pair in a strongly coupled quark-gluon plasma using the highly efficient Monte Carlo wave-function method. The Lindblad equation has been derived in the framework of pNRQCD and fully accounts for the quantum and non-Abelian nature of the system. The hydrodynamics of the plasma is realistically implemented through a 3+1D dissipative hydrodynamics code. We compute the bottomonium nuclear modification factor and compare with the most recent LHC data. The computation does not rely on any free parameter, as it depends on two transport coefficients that have been evaluated independently in lattice QCD. Our final results, which include late-time feed down of excited states, agree well with the available data from LHC 5.02 TeV PbPb collisions.

47 pages, 20 figures, corrections to feed down matrix leading to slight change in phenomenological predictions, journal version

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• Effective Debye Screening Mass in an Anisotropic Quark Gluon Plasma
• Open quantum system approach for heavy quark thermalization
• Bottomonium observables in an open quantum system using the quantum trajectories method
• Charmonium dissociation at high baryon chemical potential
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• Holographic bottomonium formation in a cooling strong-interaction medium at finite baryon density
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