Local quenches in chaotic quantum systems produce a Renyi-index-tuned hierarchy of entanglement transitions, with S_alpha>1 obeying area law while S_alpha<=1 is volume-law, carried by an O(1)-dimensional dominant Schmidt sector that itself exhibits similar transitions at lower critical indices.
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Perturbed random Floquet-Clifford circuits exhibit operator-space fragmentation into wall-separated sectors for p < 1, yielding exact local integrals of motion, tunable operator spreading length, an entanglement bottleneck, and a pre-RMT fragmentation timescale at p = 1.
Derives bounds on minimal transport time and maximal distance for bosons in dissipative long-range systems, showing distinctions by loss type and the enabling role of decoherence-free subspaces for long-distance perfect transport.
citing papers explorer
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Hierarchical entanglement transitions and hidden area-law sectors in quantum many-body dynamics
Local quenches in chaotic quantum systems produce a Renyi-index-tuned hierarchy of entanglement transitions, with S_alpha>1 obeying area law while S_alpha<=1 is volume-law, carried by an O(1)-dimensional dominant Schmidt sector that itself exhibits similar transitions at lower critical indices.
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Operator space fragmentation in perturbed Floquet-Clifford circuits
Perturbed random Floquet-Clifford circuits exhibit operator-space fragmentation into wall-separated sectors for p < 1, yielding exact local integrals of motion, tunable operator spreading length, an entanglement bottleneck, and a pre-RMT fragmentation timescale at p = 1.
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Macroscopic Particle Transport in Dissipative Long-Range Bosonic Systems
Derives bounds on minimal transport time and maximal distance for bosons in dissipative long-range systems, showing distinctions by loss type and the enabling role of decoherence-free subspaces for long-distance perfect transport.