Flat bands and nontrivial topological properties in an extended Lieb lattice
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DOI: 10.1103/physrevb.100.235145
Abstract: We report the appearance of multiple numbers of completely flat band states in an extended Lieb lattice model in two dimensions with five atomic sites per unit cell. We also show that this edge-centered square… read more here.
Keywords: nontrivial topological; topological properties; lattice; lieb lattice ... See more keywords