ARPES on NiPS3 reveals a many-body feature at the valence band edge matching mixed d7 and d8L multiplet states from NiS6 cluster diagonalization, indicating local Ni-S physics beyond mean-field theory.
Next, we move to explaining the spin-polarization split- ting observed within the fully occupiedt2g bands
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Evidence for Many-Body States in NiPS$_3$ Revealed by Angle-Resolved Photoelectron Spectroscopy
ARPES on NiPS3 reveals a many-body feature at the valence band edge matching mixed d7 and d8L multiplet states from NiS6 cluster diagonalization, indicating local Ni-S physics beyond mean-field theory.