Direction-Selective Anomalous Quantum Transport from Saddle-like Topological Surface States Coupled to an Electronic Instability in YbSb${}_2$

Rudra Dhara, Pritesh Srivastava, Jack Tregidga +14

We report direction-selective anomalous quantum transport in epitaxial YbSb${}_2$ thin films associated with an interplay between anisotropic topological surface states and an elec…