Original paper
Chiral flat bands: Existence, engineering, and stability
Abstract
We study flat bands in bipartite tight-binding networks with discrete translational invariance. Chiral flat bands with chiral symmetry eigenenergy E = 0 and host compact localized eigenstates for finite range hopping. For a bipartite network with a majority sublattice chiral flat bands emerge. We present a simple generating principle of chiral flat band networks and as a showcase add to the previously observed cases a number of new potentially...
Paper Details
Title
Chiral flat bands: Existence, engineering, and stability
Published Date
Oct 9, 2017
Volume
96
Issue
16
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