Nearly perfect Fermi surface nesting in hole-doped La${}_3$Ni${}_2$O${}_7$ enables bulk superconductivity without pressure or strain

Chengliang Xia, Jiale Chen, Hongquan Liu +1

The discovery of high-temperature superconductivity in Ruddlesden-Popper nickelates has drawn great attention. However, unlike cuprates and iron-based superconductors, Ruddlesden-P…