Bonn 2025 – scientific programme
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MO: Fachverband Molekülphysik
MO 3: Rydberg Atoms, Ions, and Molecules (joint session Q/MO)
MO 3.7: Talk
Monday, March 10, 2025, 12:30–12:45, HS I
Control thermalization in one dimensional Floquet driven Rydberg atom chain — •Weibin Li1, Yunhui He2, and Jianming Zhao2 — 1University of Nottingham, Nottingham, UK — 2Shanxi University, Taiyuan, China
We study Floquet thermalization of a one dimensional disorder-free Rydberg atom chain. The stroboscopic dynamics of the finite Rydberg atom chain is numerically solved. We show that the Floquet thermalization results from the emergence of an effective multi-body interaction across the atom chain. We characterize the properties of the thermalization using level spacing statistics and entanglement entropy. The dependence of the Floquet thermalization on the driving period and laser detuning is examined. The scaling with the system size and dependence on the initial state are explored. Our results can be readily observed in the current Rydberg atom array experiments.
Keywords: Rydberg atoms; Floquet; thermalization