General bounded corner states in two-dimensional off-diagonal Aubry–André–Harper model with flat bands
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DOI: 10.1088/1367-2630/ac38cc
Abstract: We investigate the general bounded corner states in a two-dimensional off-diagonal Aubry–André–Harper square lattice model supporting flat bands. We show that for certain values of the nearest-neighbor hopping amplitudes, triply degenerate zero-energy flat bands emerge… read more here.
Keywords: flat bands; bounded corner; general bounded; two dimensional ... See more keywords