Chiral limits and effect of light on the Hofstadter butterfly in twisted bilayer graphene
Nadia Benlakhouy,
Ahmed Jellal,
Hocine Bahlouli
et al.
Abstract:We study the magnetic field induced Hofstadter butterfly in twisted bilayer graphene (TBG) in various kinds of situations. First, we study the equilibrium case and identify the interlayer hopping processes that are most crucial for the appearance of a Hofstadter butterfly. Surprisingly, the hopping processes that are important for the appearance of the Hofstadter butterfly can be categorized as AA stacking type -that is interlayer hoppings between equivalent sublattices. This is in contrast to AB/BA-type hoppi… Show more
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