A Lindblad master equation for a J/psi-like harmonic oscillator in an expanding QGP shows that hydrodynamic cooling slows quantum decoherence compared to a static bath, with viscosity having negligible impact.
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Box and expanding simulations with SMASH extended to 2-to-3 quark processes show energy spectrum thermalizes by ~0.2 fm/c, momentum isotropizes by ~2 fm/c, but chemical equilibration remains incomplete by 5 fm/c and hydrodynamics breaks down after ~4 fm/c.
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Quantum decoherence: a study applied to quarkonium-like bound states in strongly interacting matter
A Lindblad master equation for a J/psi-like harmonic oscillator in an expanding QGP shows that hydrodynamic cooling slows quantum decoherence compared to a static bath, with viscosity having negligible impact.
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Chemical Equilibration and Thermalization of Quark-Gluon Plasma in a Parton Cascade Model with 2-to-3 Quark Interactions
Box and expanding simulations with SMASH extended to 2-to-3 quark processes show energy spectrum thermalizes by ~0.2 fm/c, momentum isotropizes by ~2 fm/c, but chemical equilibration remains incomplete by 5 fm/c and hydrodynamics breaks down after ~4 fm/c.