Ni-O hybridization as a stabilizer for $s^{\pm }$ superconductivity in La${}_3$Ni${}_2$O${}_7$: a DFT+RPA study

Lauro B. Braz, Daniel D. Rivera, Emmanuel V. C. Lopes +3

The superconducting gap symmetry of high-pressure bilayer nickelates remains under debate, with weak- and strong-coupling approaches yielding different pairing tendencies. In this…