Coexistent topological and chiral phonons in chiral RhGe: An ab initio study

P. V. Sreenivasa Reddy, Guang-Yu Guo

The CoSi-family of materials (CoSi, CoGe, RhSi and RhGe) forms a cubic chiral structure and hosts unconventional multifold chiral fermions, such as spin-1 and spin-3/2 fermions, le…