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.
Peres, Stability of quantum motion in chaotic and regular systems, Physical Review A 30 (4) (1984) 1610
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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.