Preprint
Sep 2026
Origin of Flat Bands and Role of Electron Correlation in Lutetium Hydrides
Lutetium hydrides (LuH$_x$, $1.75 \leq x \leq 3$) form a diverse series of phases, several of which superconduct under pressure. Characterizing their electronic properties has remained challenging owing to a high propensity for hydrogen defect formation, and recent angle-resolved photoemission (ARPES) measurements reve...
A. Lamichhane, A. Denchfield, Hyeondeok Shin et al.
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