TOPOLOGICAL MATTER. Observation of chiral currents at the magnetic domain boundary of a topological insulator
Science (2015) - Comment
pubmed: 26272905  doi: 10.1126/science.aaa0508  issn: 0036-8075  issn: 1095-9203 

Y. H. Wang, J. R. Kirtley, F. Katmis, P. Jarillo-Herrero, J. S. Moodera, K. A. Moler