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.
Circular dichroism in higher-order harmonic generation: Heralding topological phases and transitions in chern insulators,
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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.