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cond-mat.str-el2026
Crystal-Field Symmetry Constraints in Layered Honeycomb ErBr
Biaoyan Hu, Mingyuan Hu, Franz Demmel +3
Crystal-field symmetry restricts the ground-state Kramers doublet of ErBr to one of two classes. We show that the compressed octahedral environment selects the class with $\lan…
cond-mat.str-el2025★ 2 cited
Unconventional band splitting of CeSb in the devil's staircase transition
Tongrui Li, Zhanfeng Liu, Peng Li +15
The interplay between magnetism and electronic band structure is a central theme in condensed matter physics. CeSb, with its complex devil's staircase antiferromagnetic transition,…
cond-mat.str-el2023★ 24 cited
Bose-Einstein condensation of a two-magnon bound state in a spin-one triangular lattice
Jieming Sheng, Jia-Wei Mei, Le Wang +31
In ordered magnets, the elementary excitations are spin waves (magnons), which obey Bose-Einstein statistics. Similarly to Cooper pairs in superconductors, magnons can be paired in…