Superconductivity emerges from a state with anomalous Hall effects in the flat Chern band of twisted bilayer MoTe2, providing the first reported coexistence with fractional quantum anomalous Hall effects.
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Anomalous Hall crystals have stiffness an order of magnitude smaller than Wigner crystals due to finite Chern number, triggering mechanical instability under deformations in rhombohedral pentalayer graphene models.
U(3) infrared parton theory unifies a ν=1/3 FCI with topological superconductors (SC* preserving U(1)_3, chiral TSC with c_-=3/2, strong-pairing with c_-=3) and a σ_xy=0 CDW.
Tunneling probes can measure anyon dispersion via quasiparticle interference patterns and continuum thresholds in fractional Chern insulators.
Mean-field theory on a quartic-dispersion Chern band for rhombohedral graphene yields a chiral topological superconductor that transitions to a trivial BEC at T=0; the composite-fermion version realizes a Moore-Read state.
Impurities in a flat Chern band induce a thermal crossover from fractional to integer Chern insulators via entropy-energy competition, supported by exact diagonalization in a toy model.
citing papers explorer
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Signatures of unconventional superconductivity near reentrant and fractional quantum anomalous Hall insulators
Superconductivity emerges from a state with anomalous Hall effects in the flat Chern band of twisted bilayer MoTe2, providing the first reported coexistence with fractional quantum anomalous Hall effects.
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Elastic Response and Instabilities of Anomalous Hall Crystals
Anomalous Hall crystals have stiffness an order of magnitude smaller than Wigner crystals due to finite Chern number, triggering mechanical instability under deformations in rhombohedral pentalayer graphene models.
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Topological superconductivity from Abelian fractional Chern insulators
U(3) infrared parton theory unifies a ν=1/3 FCI with topological superconductors (SC* preserving U(1)_3, chiral TSC with c_-=3/2, strong-pairing with c_-=3) and a σ_xy=0 CDW.
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Measuring anyon dispersion with tunneling probes
Tunneling probes can measure anyon dispersion via quasiparticle interference patterns and continuum thresholds in fractional Chern insulators.
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Chiral superconductivity from parent Chern band and its non-Abelian generalization
Mean-field theory on a quartic-dispersion Chern band for rhombohedral graphene yields a chiral topological superconductor that transitions to a trivial BEC at T=0; the composite-fermion version realizes a Moore-Read state.
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Impurity-induced thermal crossover in fractional Chern insulators
Impurities in a flat Chern band induce a thermal crossover from fractional to integer Chern insulators via entropy-energy competition, supported by exact diagonalization in a toy model.