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cond-mat.mes-hall2025
Nearly semi-elliptic relation between the minimal conductivity and Hall conductivity in unpaired Dirac fermions
Bo Fu, Kai-Zhi Bai, Shi-Hao Bi +1
Electric conductivities may reveal the topological and magnetic properties of band structures in solids, especially for two-dimensional unpaired Dirac fermions. In this work, we ev…
cond-mat.dis-nn2025★ 3 cited
Half-Quantized Hall Metal and Marginal Metal in Disordered Magnetic Topological Insulators
Shi-Hao Bi, Bo Fu, Shun-Qing Shen
A semimagnetic topological insulator -- a heterostructure combining a topological insulator with a ferromagnet -- exhibits a half-quantized Hall effect, characterized by a quantize…