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physics.optics2022★ 16 cited
Experimental demonstration of non-adjacent band topology connecting multiple nodal links
Dongyang Wang, Biao Yang, Mudi Wang +5
Nodal links are special configurations of band degeneracies in the momentum space, where nodal line branches encircle each other. In PT symmetric systems, nodal lines can be topolo…
cond-mat.mes-hall2022
Edge and corner states in 2D non-Abelian topological insulators from an eigenvector frame rotation perspective
Tianshu Jiang, Ruo-Yang Zhang, Qinghua Guo +2
We propose the concept of 2D non-Abelian topological insulator which can explain the energy distributions of the edge states and corner states in systems with parity-time symmetry.…