Quantum Monte Carlo shows a correlation-driven quantum anomalous Hall insulator at quarter filling appears above the magnetic ordering temperature in two lattice models, with nonquantized spin-resolved Chern numbers and triplet-exciton dressed charge excitations.
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Triplet Exciton-driven Topological Mott insulator at Finite Temperature
Quantum Monte Carlo shows a correlation-driven quantum anomalous Hall insulator at quarter filling appears above the magnetic ordering temperature in two lattice models, with nonquantized spin-resolved Chern numbers and triplet-exciton dressed charge excitations.