Suppression of inter-band heating for random driving

Abstract

Heating to high-lying states strongly limits the experimental observation of driving induced non-equilibrium phenomena, particularly when the drive has a broad spectrum. Here we show that, for entire families of structured random drives known as random multipolar drives, particle excitation to higher bands can be well controlled even away from a high-frequency driving regime. This opens a window for observing drive-induced phenomena in a long-lived prethermal regime in the lowest band.

10 pages, 5 figures

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• Prethermalization in the PXP Model under Continuous Quasiperiodic Driving
• Stability of Floquet sidebands and quantum coherence in 1D strongly interacting spinless fermions