Estimating ergodization time of a chaotic many-particle system from a time reversal of equilibrium noise
作者： Andrei E Tarkhov , Boris V Fine
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摘要: We propose a method of estimating ergodization time chaotic many-particle system by monitoring equilibrium noise before and after reversal dynamics (Loschmidt echo). The is defined as the characteristic required to extract largest Lyapunov exponent from system's dynamics. validate numerical simulation an array coupled Bose-Einstein condensates in regime describable discrete Gross-Pitaevskii equation. quantity interest for counterpart out-of-time-order correlators (OTOCs) quantum regime.
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