In a random-matrix model of a chaotic many-body system, the late-time OTOC decays as a Gaussian with time scale ℏ/(2Δ); with the conjecture Δ = ℏλ_max, this is governed by λ_max t.
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Out-of-Time Ordered Correlator for a Chaotic Many-Body Quantum System
In a random-matrix model of a chaotic many-body system, the late-time OTOC decays as a Gaussian with time scale ℏ/(2Δ); with the conjecture Δ = ℏλ_max, this is governed by λ_max t.