Phonon-Mediated $\mathbf{S}$-Wave Superconductivity in the Kagome Metal CsV${}_3$Sb${}_5$ under Pressure

Chongze Wang, Jia Yu, Zhenyu Zhang +1

The nature of the superconducting pairing state in the pristine phase of a compressed kagome metal CsV${}_3$Sb${}_5$ under pressure is studied by the Migdal-Eliashberg formalism and de…