Displacement fields in rhombohedral pentalayer graphene cause asymmetric flattening of conduction versus valence bands, producing near-ideal quantum geometry that supports fractional quantum anomalous Hall states under electron doping.
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Field-induced asymmetric band flattening and ideal quantum geometry in rhombohedral graphene
Displacement fields in rhombohedral pentalayer graphene cause asymmetric flattening of conduction versus valence bands, producing near-ideal quantum geometry that supports fractional quantum anomalous Hall states under electron doping.