Spin-induced optical second harmonic generation in the centrosymmetric magnetic semiconductors EuTe and EuSe
B Kaminski M Lafrentz; R V Pisarev; D R Yakovlev; V V Pavlov; V A Lukoshkin; André Bohomoletz Henriques; G Springholz; G Bauer; E Abramof; P H O Rappl; M Bayer