Quasiparticle band gap in the topological insulator Bi 2 Te 3

I. A. Nechaev1,2 and E. V. Chulkov1,2,3,4 1Donostia International Physics Center (DIPC), 20018 San Sebastián/Donostia, Basque Country, Spain 2Tomsk State University, 634050 Tomsk, Russia 3Departamento de Fı́sica de Materiales UPV/EHU, Facultad de Ciencias Quı́micas, UPV/EHU, Apdo. 1072, 20080 San Sebastián/Donostia, Basque Country, Spain 4Centro de Fı́sica… (More)