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Quantum Entropies and Decoherence for the Multiparticle Quantum Arnol'd Cat (2407.11587v1)
Published 16 Jul 2024 in quant-ph, math-ph, and math.MP
Abstract: I study the scaling behavior in the physical parameters of dynamical entropies, classical and quantum, in a specifically devised model of collision-induced decoherence in a chaotic system. The treatment is fully canonical and no approximations are involved or infinite limits taken. I present this model in a detailed way, in order to clarify my views in the debate about the nature, definition, and relevance of quantum chaos.