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Description
Recent advances in quantum technologies and computation have conduced to novel theoretical developments, which have found applications in various research fields, including high-energy physics. This work presents an open quantum systems approach for studying the suppression of quarkonia [1], which has been considered for many decades a crucial probe for unraveling the main features of hot and dense QCD matter produced in ultra-relativistic heavy-ion collisions. We describe the dissociation and regeneration of quarkonia bound states by means of the quantum Lindblad master equation, which is solved numerically through the so-called MonteCarlo Wave Function (MCWF) method [2]. For a realistic environment evolution we couple the Lindblad equation to a full relativistic Boltzmann transport approach for the description of the QGP [3]. Within this unified framework we study the impact of different medium evolution on the dissociation of quarkonia with the aim to identify the main physical characteristics which enhance the quantum decoherence of QCD bound states. Furthermore, we explore the impact of transport coefficients on the Lindblad evolution, with the purpose to merge the state-of-the-art knowledge of heavy quark spatial diffusion coefficient estimated by lattice QCD and phenomenological models to open quantum systems approach for quarkonia [4]. Finally, we present our results for the nuclear modification factor of quarkonia and compare to experimental measurements at RHIC and LHC.
| Category | Theory |
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