Geometric heterogeneity in small disordered spin networks with dipolar couplings and dephasing produces separated dynamical timescales, with a parametrically long relaxation time arising from effective detuning in strongly hybridized clusters.
Mori, Liouvillian-gap analysis of open quantum many-body systems in the weak dissipation limit, Phys
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Typical trace-distance relaxation concentrates around a mean in open quantum systems, producing typical mixing times separated from worst-case by rare-state bottlenecks that scale logarithmically, linearly, or exponentially depending on the slow modes.
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Quantum Transport in Disordered Spin Networks: Emergent Timescales and Competing Pathways
Geometric heterogeneity in small disordered spin networks with dipolar couplings and dephasing produces separated dynamical timescales, with a parametrically long relaxation time arising from effective detuning in strongly hybridized clusters.
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Typical Mixing and Rare-State Bottlenecks in Open Quantum Systems
Typical trace-distance relaxation concentrates around a mean in open quantum systems, producing typical mixing times separated from worst-case by rare-state bottlenecks that scale logarithmically, linearly, or exponentially depending on the slow modes.