Direct Observation of Unidirectional Density Wave and Band splitting in a Single-Domain Trilayer Nickelate Pr${}_4$Ni${}_3$O${}_{10}$

Zhicheng Jiang, Enkang Zhang, Yuxin Wang +12

Unraveling the interplay between density-wave (DW) instabilities and multi-orbital physics is critical for understanding superconductivity in Ruddlesden-Popper nickelates, yet intr…