Rights:
© 2013 American Physical Society (APS). This is the accepted version of the following article: Hu, F. M. & Wehling, T. O. & Gubernatis, J. E. & Frauenheim, Thomas & Nieminen, Risto M. 2013. Magnetic impurity affected by spin-orbit coupling: Behavior near a topological phase transition. Physical Review B. Volume 88, Issue 4. 045106/1-6. 1550-235X (electronic). DOI: 10.1103/physrevb.88.045106, which has been published in final form at http://journals.aps.org/prb/abstract/10.1103/PhysRevB.88.045106.