Author

Haichang Lu

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Open access Oct 2026

Theoretical anatomy of altermagnetic α-MnTe from magnetism to triple-resistance states

α-MnTe is among the earliest discovered altermagnets with experimental evidence of A-type antiferromagnetic order above room temperature and spin-split bands. Here, we conduct a theoretical investigation of its magnetism based on the general symmetry-adaptive tensorial spin model, which not only confirms a Néel tempera...

Bo-Yang Deng, Yu-Zheng Guo, John Robertson et al. · npj Spintronics · 0 citations

Preprint Sep 2026

Unbiased first-principles construction of complete tensorial spin Hamiltonians

Magnetic ground states are commonly predicted using spin Hamiltonians whose interaction terms are selected a priori, potentially overlooking the microscopic interactions that govern complex magnetic order. Here, we introduce a general framework for the unbiased first-principles construction of symmetry-complete tensori...

Haichang Lu, Bo-Yang Deng, H. Katsumoto et al. · 0 citations