[We-L] Poster Session

[We-L-39] Z₄ Berry phase for the higher-order topological phases on a square lattice

*Hiromu Araki¹, Tomonari Mizoguchi¹, Yasuhiro Hatsugai¹ (1. University of Tsukuba(Japan))

キーワード：Topological insulator, Higher-order topology, Berry phase, Correlated systems, HOSPT