Chiral Bloch states in rhombohedral n-layer graphene cause high-harmonic generation whose dominant order scales linearly with n, with valley splitting producing n-dependent circular dichroism.
High-harmonic generation with a twist: all-optical characterization of magic-angle twisted bilayer graphene,
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High-harmonic generation in systems with chiral Bloch states: application to rhombohedral graphene
Chiral Bloch states in rhombohedral n-layer graphene cause high-harmonic generation whose dominant order scales linearly with n, with valley splitting producing n-dependent circular dichroism.