Supplemental Material: Origin of the Counterintuitive Dynamic Charges in the Transition Metal Dichalcogenides

Nicholas A. Pike, ∗ Benoit Van Troeye, † Antoine Dewandre, Guido Petretto, Xavier Gonze, Gian-Marco Rignanese, and Matthieu J. Verstraete nanomat/Q-Mat/CESAM, Université de Liège & European Theoretical Spectroscopy Facility, B-4000 Liège, Belgium Université Catholique de Louvain, Institute of Condensed Matter and Nanosciences (IMCN) & European Theoretical Spectroscopy Facility, B-1348 Louvain-la-Neuve, Belgium (Dated: May 5, 2017)