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On the nature of the correlated insulator states in twisted bilayer graphene

By Ming Xie and Allan Macdonald
We use self-consistent Hartree-Fock calculations performed in the full \(\pi\)-band Hilbert space to assess the nature of the recently discovered correlated insulator states in magic-angle twisted bilayer graphene (TBG). We find that gaps between the flat conduction and valence bands open at neutrality over a wide range of twist angles,... Show more
December 30, 2019
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On the nature of the correlated insulator states in twisted bilayer graphene
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