Kurt Kummer

Oct 16, 2024 | nature.com | Wenliang Zhang |Teguh Citra Asmara |Yi Tseng |Yimin Xiong |Kurt Kummer |Vladimir N. Strocov | +2 more

AbstractHoneycomb and kagome lattices can host propagating excitations with non-trivial topology as defined by their evolution along closed paths in momentum space. Excitations on such lattices can also be momentum-independent, and the associated flat bands are of interest due to strong interactions between heavy quasiparticles.