3 papers
cond-mat.str-el2024
Edge-driven transition between extended quantum anomalous Hall crystal and fractional Chern insulator in rhombohedral graphene multilayers
Zezhu Wei, Ang-Kun Wu, Miguel Gonçalves +1
Fractional Chern insulators (FCI) with fractionally quantized Hall conductance at fractional fillings and an extended quantum anomalous Hall (EQAH) crystal with an integer quantize…
cond-mat.dis-nn2019
Disorder driven multifractality transition in Weyl nodal loops
Miguel Gonçalves, Pedro Ribeiro, Eduardo V. Castro +1
The effect of short-range disorder in nodal line semimetals is studied by numerically exact means. For arbitrary small disorder, a novel semimetallic phase is unveiled for which th…
cond-mat.str-el2018
Temperature-driven gapless topological insulator
Miguel Gonçalves, Pedro Ribeiro, Rubem Mondaini +1
We investigate the phase diagram of the Haldane-Falicov-Kimball model -- a model combining topology, interactions and spontaneous disorder at finite temperatures. Using an unbiased…