Coherent phonon spectroscopy and interlayer modulation of charge density wave order in the kagome metal CsV${}_3$Sb${}_5$

Noah Ratcliff, Lily Hallett, Brenden R. Ortiz +2

The recent discovery of the $A$V${}_3$Sb${}_5$ ($A=$ K, Rb, Cs) material family offers an exciting opportunity to investigate the interplay of correlations, topology, and superconducti…