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cond-mat.str-el2020★ 9 cited
Flat bands and topological phases in a non-Abelian kagome lattice
Zhenxiang Gao, Zhihao Lan
We introduce a non-Abelian kagome lattice model that has both time-reversal and inversion symmetries and study the flat band physics and topological phases of this model. Due to th…
cond-mat.mes-hall2020★ 76 cited
Ideal Unconventional Weyl Point in a Chiral Photonic Metamaterial
Yihao Yang, Zhen Gao, Xiaolong Feng +5
Unconventional Weyl points (WPs), carrying topological charge 2 or higher, possess interesting properties different from ordinary charge-1 WPs, including multiple Fermi arcs that s…