Optical response of the Dirac semimetals GdSb0.56Te1.35 and GdSb0.45Te1.50: Influence of charge density wave distortion and magnetic orderRemoveS. Rojewski, R. Borkenhagen, Runhan Li, Diego García Ovalle, Stepan S. Tsirkin, Harish Kumar, K. Raju, Raman Sankar, S. Lei, L. M. Schoop, Maia G. Vergniory, and C. A. KuntscherPhys. Rev. B 113, 155141 (2026)