Derives Lindblad evolution for color dipole in QCD plasma and demonstrates quasi-factorization of Wigner distribution violated by color decoherence factor controlled by theta_qqbar/theta_c ratio.
Lindblad-driven quarkonium production in heavy-ion collisions
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abstract
We study the production of the conventional quarkonium states in ultrarelativistic heavy-ion collisions using an open quantum system framework based on the Lindblad equation. Starting from the complex-valued in-medium potential, we derive the dissociation temperature and thermal decay width for each state, and compute their survival probabilities for a system undergoing Bjorken expansion. We then extend the framework to include recombination from thermalized charm and bottom quarks in the quark-gluon plasma, deriving a coalescence model for quarkonia from the Lindblad equation under the adiabatic approximation. The methodology provides a unified, first-principles-inspired description of suppression and recombination for both charmonium and bottomonium.
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hep-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Hadron ratios for J/Ψ, Ψ(2S) and X(3872) are linked to the separation and dissociation of in-medium c cbar pairs through Fermi Golden rule overlaps between in-vacuum and in-medium wave functions.
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Open quantum system approach to the transverse momentum broadening of a colour dipole
Derives Lindblad evolution for color dipole in QCD plasma and demonstrates quasi-factorization of Wigner distribution violated by color decoherence factor controlled by theta_qqbar/theta_c ratio.
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Hadronisation of in-medium $c\bar c$ pairs to the exotic $X(3872)$
Hadron ratios for J/Ψ, Ψ(2S) and X(3872) are linked to the separation and dissociation of in-medium c cbar pairs through Fermi Golden rule overlaps between in-vacuum and in-medium wave functions.