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cond-mat.other2026
Valley- and Orbital-Controlled 2D Chern Insulators Without Spin-orbit Interaction
J. Benkaida, O. Benhaida, L. B. Drissi +1
We present a theoretical study of orbital-induced topological phase transitions in a two-dimensional lattice model with staggered potential and orbital coupling competi…
cond-mat.other2026★ 1 cited
Extended Haldane Model in The Dice Lattice: Multiple Flat-Band-Induced topological Transitions Revealed
Othmane Benhaida, Lalla Btissam Drissi, El Hassan Saidi
In this study, we examine the introduction of the Haldane model into the dice lattice by altering the flow between the next-nearest-neighbour sites. This breaks the lattice's inver…