Speaker
Description
Entangled many-body states serve as foundational resources for advancing quantum technologies. However, reliably preparing these states in interacting quantum systems often faces significant challenges due to unavoidable experimental imperfections. In this talk, I will introduce the "adiabatic echo protocol," a novel and general method designed to robustly prepare many-body entangled states by dynamically suppressing the effects of static perturbations.
I will explain the underlying principle of dynamically engineered destructive interference that underpins its robustness and demonstrate how this protocol emerges naturally through quantum optimal control techniques, without restrictive assumptions on the form of the control fields. Practical examples from our research include the preparation of Greenberger-Horne-Zeilinger (GHZ) states in ferromagnetic Ising chains, two-dimensional Rydberg atom arrays, and quantum spin liquid states in frustrated Rydberg lattices.
Our findings emphasize the versatility and broad applicability of the adiabatic echo protocol, presenting a viable approach for dependable many-body state preparation within current quantum experimental platforms
