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Robust controlled-Z gate for Rydberg atoms based on level-crossing-free echoing rapid adiabatic passage
Yichi Zhang, Zhenqi Bai, Xu Zhao +3
We propose a controlled-Z gate scheme for Rydberg atoms based on level-crossing-free echoing rapid adiabatic population transfer. We design antisymmetric Rabi frequency pulses and…
Parametric resonance and nonlinear dynamics in a coupled double-pendulum system
Yusheng Niu, Yixian Liu, Hongyan Fan +2
Nonlinear dynamics plays a significant role in interdisciplinary fields spanning biology, engineering, mathematics, and physics. Under small-amplitude approximations, certain nonli…
Strongly Coupled Continuous Time Crystal
Ximo Wang, Qiwei Han, Zhenqi Bai +2
Time crystals are classified into discrete time crystals and continuous time crystals based on whether they spontaneously break time-translation symmetry. Continuous-time crystals…
Geometric Quantum Gates of Non-closed Paths Under Counterdiabatic Driving
Ximo Wang, Hongyan Fan, Zhengqi Bai +1
Non-adiabatic and non-closed evolutionary paths play a significant role in the fidelity of quantum gates. We propose a high-fidelity quantum control framework based on the quasi-to…