Influence of Fermi Surface Geometry and Van Hove Singularities on the Optical Response of Sr${}_2$RuO${}_4$

Meghdad Yazdani-Hamid, Mehdi Biderang, Alireza Akbari

Motivated by the sensitivity of Sr${}_2$RuO${}_4$ to Fermi surface reconstructions under strain, we investigate how Fermi surface geometry and Van Hove singularities influence the opti…