Dispersion relations of strained as well as complex Lieb lattices
classification
⚛️ physics.optics
cond-mat.mtrl-sci
keywords
lieblatticesstrainedcomplexdispersionrelationswelladopted
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We investigate the dispersion relations of strained as well as complex Lieb lattices systematically based on the tight-binding method when the nearest-neighbor approximation is adopted. We find that edge states will no appear for strained Lieb lattices and $\mathcal{PT}$-symmetry Lieb lattice cannot be obtained.
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