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cond-mat.mes-hall2024
Hofstadter spectrum in a semiconductor moiré lattice
Chen Zhao, Ming Wu, Zhen Ma +4
Recently, the Hofstadter spectrum of a twisted heterobilayer has been observed in experiment [C. R. Kometter, et al. Nat.Phys.19, 1861 (2023)], but the orig…
cond-mat.mes-hall2024
Measurement of the Chern Number for Non-Hermitian Chern Insulators
Hongfang Liu, Ming Lu, Shengdu Chai +2
The identification of the topological invariant of a topological system is crucial in experiments. However, due to the inherent non-Hermitian features, such determination is notabl…