Rhombohedral graphene multilayers show an isospin cascade of electron crystal phases with non-zero Chern numbers and nearly degenerate topological states hosting extended quantum anomalous Hall effect as carrier density rises.
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cond-mat.mes-hall 2years
2025 2verdicts
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Leading-order RG analysis shows repulsive interactions stabilize a chiral odd-parity pair density wave in quarter metals of chirally stacked graphene heterostructures.
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Various electronic crystal phases in rhombohedral graphene multilayers
Rhombohedral graphene multilayers show an isospin cascade of electron crystal phases with non-zero Chern numbers and nearly degenerate topological states hosting extended quantum anomalous Hall effect as carrier density rises.
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Pair density wave in quarter metals from a repulsive fermionic interaction in graphene heterostructures: A renormalization group study
Leading-order RG analysis shows repulsive interactions stabilize a chiral odd-parity pair density wave in quarter metals of chirally stacked graphene heterostructures.