The interaction of terahertz (THz) waves with condensed matter materials is utilised to investigate the low-energy electronic behaviours and topological properties near the equilibrium state, for example, transport characteristics of topological semimetals. Here, the THz longitudinal conductivities of high-quality Mn3Sn epitaxial thin films are anisotropic along different crystal orientations with carrier localization behavior, which are well described by the Drude-Smith model.
- Dong Gao
- Tianyu Zhang
- Lei Bi