Finite-frequency prethermalization in periodically driven ergodic systems
arxiv(2024)
摘要
We investigate the periodically driven dynamics of many-body systems, either
classical or quantum, finite-dimensional or mean-field, displaying an unbounded
phase-space. We find that the inclusion of a smooth periodic drive atop an
otherwise ergodic dynamics leads to a long-lived prethermalization, even at
moderate driving frequencies. In specific asymptotic limits, we compute the
corresponding prethermal Hamiltonian from an analytical perturbation scheme.
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