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Operational Locality in Open Quantum Systems via Stable Optimal Factorization and Distinguishability Gap
2026-03-26
We introduce an operational criterion for locality in open quantum systems based on (1) a distinguishability gap measured by relative entropy to an optimally factorized product state, and (2) stability of the optimal partition under protocol perturbations and along trajectories. The protocol yields reproducible L/C/N regime maps, detects critical windows as partition-competition regions, transfers to holdout channels without recalibration, and
exposes clear failure domains (near-pure random ensembles). MI-graph geometry is treated as a secondary, ablation-dependent diagnostic layer rather than a universal definition of criticality.
Ссылка для цитирования:
Nesen O. I. 2026. Operational Locality in Open Quantum Systems via Stable Optimal Factorization and Distinguishability Gap. PREPRINTS.RU. https://doi.org/10.24108/preprints-3114780
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