Observational entropy from finite-resolution measurements diagnoses chaos and criticality in quantum systems, with derivatives locating exact critical points and entropy production rates reproducing classical Lyapunov exponents above a resolution threshold.
Garc´ ıa-Mata, R
2 Pith papers cite this work. Polarity classification is still indexing.
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quant-ph 2years
2026 2verdicts
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The study demonstrates that long-range couplings and heterogeneous degree distributions in Ising spin networks on path, Erdős–Rényi, and Watts–Strogatz topologies accelerate quantum information scrambling and chaos, diagnosed via OTOCs, tripartite information, Krylov complexity, and spectral form fa
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Probing Chaos and Criticality with Observational Entropy and Finite-Resolution Measurements
Observational entropy from finite-resolution measurements diagnoses chaos and criticality in quantum systems, with derivatives locating exact critical points and entropy production rates reproducing classical Lyapunov exponents above a resolution threshold.
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Topological Control of Quantum Chaos Diagnostics: OTOCs, Spectral Statistics, and Information Scrambling in Ising Model
The study demonstrates that long-range couplings and heterogeneous degree distributions in Ising spin networks on path, Erdős–Rényi, and Watts–Strogatz topologies accelerate quantum information scrambling and chaos, diagnosed via OTOCs, tripartite information, Krylov complexity, and spectral form fa