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Topological invariants for anomalous Floquet higher-order topological insulators

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Abstract

We review the recent development in constructing higher-order topological band insulators under strong periodic drivings. In particular, we focus on various approaches in formulating the anomalous Floquet topological invariants beyond (quasi-)static band topology, and compare their different physical consequences.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 12174389).

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  1. Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China

    Biao Huang

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Huang, B. Topological invariants for anomalous Floquet higher-order topological insulators. Front. Phys. 18, 13601 (2023). https://doi.org/10.1007/s11467-022-1209-7

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