Observation of Non-Abelian Charged Nodes Linking Nonadjacent Gaps.
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DOI: 10.1103/physrevlett.129.263604
Abstract: 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 topologically characterized using the eigenvector frame rotations along… read more here.
Keywords: nodal links; observation non; frame charges; non abelian ... See more keywords