Observation of nonlinear higher-order topological insulators with unconventional boundary truncations

Abstract In higher-order topological insulators (HOTIs), topologically nontrivial phases are usually associated with the shift of Wannier centers to topologically nontrivial positions on the edges of the unit cells, and the emergence of fractional spectral charges in the corners of the lattice upon...

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Autori principali:	Changming Huang, Alexander V. Kireev, Yuxin Jiang, Victor O. Kompanets, Ce Shang, Yaroslav V. Kartashov, Sergei A. Zhuravitskii, Nikolay N. Skryabin, Ivan V. Dyakonov, Alexander A. Kalinkin, Sergei P. Kulik, Fangwei Ye, Victor N. Zadkov
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Nature Portfolio 2025-11-01
Serie:	Communications Physics
Accesso online:	https://doi.org/10.1038/s42005-025-02356-y
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