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cond-mat.str-el2024★ 3 cited
Flux-mediated effective Su-Schrieffer-Heeger model in an impurity decorated diamond chain
David Viedma, Anselmo M. Marques, Ricardo G. Dias +1
In flat-band systems with non-orthogonal compact localized states (CLSs), onsite perturbations couple neighboring CLSs and generate exponentially-decaying impurity states, whose de…
cond-mat.str-el2024★ 2 cited
Impurity flat band states in the diamond chain
Anselmo M. Marques, David Viedma, Verònica Ahufinger +1
Flat band (FB) systems, featuring dispersionless energy bands, have garnered significant interest due to their compact localized states (CLSs). However, a detailed account on how l…