New symmetry-broken Chern insulators with C = +3, ±2, ±1 at v = -2.5 or -2.6, plus the known C = -4 at v = -1, were observed in rhombohedral tetralayer graphene/hBN moiré superlattices and shown to be tunable via twist angle, electric field, and magnetic field.
Li et al., Fractionalization and Entanglement of High Chern Insulators
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An operator contraction method with three fundamental rules exactly decomposes Laughlin and Halperin fractional quantum Hall states, allowing orbital entanglement spectra computations up to 16 particles that match chiral Luttinger liquid theory.
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Tunable high-Chern-number Chern insulators in rhombohedral tetralayer graphene/hBN moir\'e superlattices
New symmetry-broken Chern insulators with C = +3, ±2, ±1 at v = -2.5 or -2.6, plus the known C = -4 at v = -1, were observed in rhombohedral tetralayer graphene/hBN moiré superlattices and shown to be tunable via twist angle, electric field, and magnetic field.
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Decomposing Fractional Quantum Hall Wave Functions via Operator Contraction Multiplication
An operator contraction method with three fundamental rules exactly decomposes Laughlin and Halperin fractional quantum Hall states, allowing orbital entanglement spectra computations up to 16 particles that match chiral Luttinger liquid theory.