Integer quantum Hall effect in AAA-stacked trilayer graphene
arXiv:1912.00823 · doi:10.1016/j.physb.2021.413022
Abstract
We obtain an analytical expression for the Hall conductivity in AAA-stacked trilayer graphene (TLG) within the linear response Kubo formalism. Interestingly, we find that the quantization of the Hall conductivity is severely dependent on the value of the chemical potential and the magnetic field. The origin of this unusual quantization, attributed to the Landau level spectrum of AAA-stacked TLG, is explained in detail. We show that is a characteristic of the multilayer graphene structures with AA stacking order.
arXiv comment18 pages, 3 figures
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