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cond-mat.mes-hall2022★ 18 cited
Higher-order Topological Phases of Magnons in van der Waals Honeycomb Ferromagnets
Yun-Mei Li, Ya-Jie Wu, Xi-Wang Luo +2
We theoretically propose a second-order topological magnon insulator by stacking the van der Waals honeycomb ferromagnets with antiferromagnetic interlayer coupling. The system exh…
cond-mat.mes-hall2022★ 8 cited
Higher-order topological corner states induced solely by onsite potentials with mirror symmetry
Ya-Jie Wu, Wen He, Ning Li +2
Higher-order topological insulators have triggered great interests because of exhibitions of non-trivial bulk topology on lower-dimensional boundaries like corners and hinges. Whil…