Quasiparticle Interference of the van-Hove singularity in Sr${}_2$RuO${}_4$

A. Kreisel, C. A. Marques, L. C. Rhodes +7

The single-layered ruthenate Sr${}_2$RuO${}_4$ is one of the most enigmatic unconventional superconductors. While for many years it was thought to be the best candidate for a chiral $p…