Topological surface states interacting with bulk excitations in the Kondo insulator SmB${}_6$ revealed via planar tunneling spectroscopy

Wan Kyu Park, Lunan Sun, Alexander Noddings +3

Samarium hexaboride (SmB${}_6$), a well-known Kondo insulator in which the insulating bulk arises from strong electron correlations, has recently attracted great attention owing to i…