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  • Title: Quantum Anomalous Hall Crystal at Fractional Filling of Moiré Superlattices.
    Author: Sheng DN, Reddy AP, Abouelkomsan A, Bergholtz EJ, Fu L.
    Journal: Phys Rev Lett; 2024 Aug 09; 133(6):066601. PubMed ID: 39178450.
    Abstract:
    We predict the emergence of a state of matter with intertwined ferromagnetism, charge order, and topology in fractionally filled moiré superlattice bands. Remarkably, these quantum anomalous Hall crystals exhibit a quantized integer Hall conductance that is different than expected from the filling and Chern number of the band. Microscopic calculations show that this phase is robustly favored at half-filling (ν=1/2) at larger twist angles of the twisted semiconductor bilayer tMoTe_{2}.
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