This paper demonstrates a time-reversal protocol in a dipolar interacting many-body spin system using Rydberg states in an atomic gas. By changing the states encoding the spin, the sign of the interaction Hamiltonian is flipped, reversing the relaxation dynamics of the magnetization. The role of atomic motion is elucidated using the Loschmidt echo, and time reversal is demonstrated for various spin models using Floquet engineering. The method is applicable to various quantum simulation platforms and has applications in quantum sensing and information scrambling.
Publisher
Published On
Feb 22, 2024
Authors
Sebastian Geier, Adrian Braemer, Eduard Braun, Maximilian Müllenbach, Titus Franz, Martin Gärttner, Gerhard Zürn, Matthias Weidemüller
Tags
time-reversal protocol
dipolar interacting spin system
Rydberg states
quantum simulation
magnetization dynamics
atomic motion
Floquet engineering
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