期刊论文

Li, D.;Shao, X.

英文

Entropy

1099-4300

2022

24

10

1371-

10.3390/e24101371

Conceptualization, X.S. and S.T.; methodology, X.S.; software, D.L.; validation, C.Y.; data curation, D.L.; writing—original draft preparation, D.L. and C.Y.; writing review and editing, X.S. and S.T.; funding acquisition, X.S. and S.T. All authors have read and agreed to the published version of the manuscript. This research was funded by National Natural Science Foundation of China (NSFC) (11774047, 12174048) and the Hunan Provincial Natural Science Foundation of China (2020JJ4146).

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Multiqubit CCZ gates form one of the building blocks of quantum algorithms and have been involved in achieving many theoretical and experimental triumphs. Designing a simple and efficient multiqubit gate for quantum algorithms is still by no means trivial as the number of qubits increases. Here, by virtue of the Rydberg blockade effect, we propose a scheme to rapidly implement a three-Rydberg-atom CCZ gate via a single Rydberg pulse, and successfully apply the gate to realize the three-qubit refined Deutsch–Jozsa algorithm and three-qubit Grov...