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math-ph2025
Eigenstate thermalization hypothesis versus Bohigas-Giannoni-Schmit conjecture: a comparison
Hans A. Weidenmüller
Thermalization of a closed chaotic quantum system is commonly addressed in terms of the eigenstate thermalization hypothesis (ETH). An alternative approach uses the Bohigas-Giannon…
math-ph2024
Out-of-Time Ordered Correlator for a Chaotic Many-Body Quantum System
Hans A. Weidenmüller
Using the parametric representation of a chaotic many-body quantum system derived earlier, we calculate explicitly the large-time dependence and asymptotic value of the out-of-time…