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cond-mat.str-el2018★ 17 cited
Variational study of the interacting spinless Su-Schrieffer-Heeger model
Mohammad Yahyavi, Luqman Saleem, Balázs Hetényi
We study the phase diagram and the total polarization distribution of the Su-Schrieffer-Heeger model with nearest neighbor interaction in one dimension at half-filling. To obtain t…
cond-mat.str-el2018★ 19 cited
Extended Creutz ladder with spin-orbit coupling: a one-dimensional analog of the Kane-Mele model
Sina Gholizadeh, Mohammad Yahyavi, Balázs Hetényi
We construct a topological ladder model, one-dimensional, following the steps which lead to the Kane-Mele model in two dimensions. Starting with a Creutz ladder we modify it so tha…
cond-mat.str-el2018★ 16 cited
Topological insulation in a ladder model with particle-hole and reflection symmetries
Balázs Hetényi, Mohammad Yahyavi
A two-legged ladder model, one dimensional, exhibiting the parity anomaly is constructed. The model belongs to the and symmetry classes, depending on the parameters, but,…