Engineering Corner States from Two-Dimensional Topological Insulators

22 Mar 2020 Ren Yafei Qiao Zhenhua Niu Qian

We theoretically demonstrate that the second-order topological insulator with robust corner states can be realized in two-dimensional $\mathbb{Z}_2$ topological insulators by applying an in-plane Zeeman field. Zeeman field breaks the time-reversal symmetry and thus destroys the $\mathbb{Z}_2$ topological phase... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS