Lemniscate phase trajectories for high-fidelity GHZ state preparation in trapped-ion chains

Evgeny V. Anikin, Andrey Chuchalin, Dimitrii Donchenko +2

In trapped-ion chains, multipartite GHZ states can be prepared natively with the help of a single bichromatic laser pulse. However, higher-order terms in the expansion in the Lamb-…