Flavour Hund’s coupling, Chern gaps and charge diffusivity in moiré graphene

Nature, Published online: 31 March 2021; doi:10.1038/s41586-021-03366-w

Chemical potential measurements in twisted bilayer graphene reveal the importance of Coulomb repulsion and exchange interactions in the symmetry-broken ground state, and provide the charge diffusivity in the strange-metal regime.

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