Original paper
General bounded corner states in two-dimensional off-diagonal Aubry–André–Harper model with flat bands
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 in this lattice system. Moreover, the two-dimensional off-diagonal Aubry–André–Harper model splits into isolated fragments and hosts some general bounded corner states, and the...
Paper Details
Title
General bounded corner states in two-dimensional off-diagonal Aubry–André–Harper model with flat bands
Published Date
Dec 1, 2021
Journal
Volume
23
Issue
12
Pages
123008 - 123008
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Notes
History