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cond-mat.mes-hall2025
Fractional quantization by interaction of arbitrary strength in gapless flat bands with divergent quantum geometry
Wenqi Yang, Dawei Zhai, Wang Yao
Fractional quantum anomalous Hall (FQAH) effect, a lattice analogue of fractional quantum Hall effect, offers a unique pathway toward fault-tolerant quantum computation and deep in…
cond-mat.mes-hall2025★ 5 cited
Fractional Chern insulator states in an isolated flat band of zero Chern number
Zuzhang Lin, Hongyu Lu, Wenqi Yang +2
A flat band with Chern number , and well isolated from the rest of Hilbert space by a gap much larger than interaction strength, is a context that has not been regarded as rel…