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Instability of QBC systems to Topological Anderson Insulating phases
Nicolau Sobrosa, Miguel Gonçalves, Eduardo V. Castro
Here we study the instabilities of a quadratic band crossing system to Chern insulating states and uncorrelated disorder. We determined the phase diagram in the plane of topologica…
Interplay of interactions, disorder and topology in the Haldane-Hubbard model
Tian-Cheng Yi, Shijie Hu, Eduardo V. Castro +1
We investigate the ground-state phase diagram of the spinless Haldane-Hubbard model in the presence of quenched disorder, contrasting results obtained from both exact diagonalizati…
Hidden dualities in 1D quasiperiodic lattice models
Miguel Gonçalves, Bruno Amorim, Eduardo V. Castro +1
We find that quasiperiodicity-induced transitions between extended and localized phases in generic 1D systems are associated with hidden dualities that generalize the well-known du…