Ab initio study of magnetoresistance effect in Mn3Sn/MgO/Mn3Sn antiferromagnetic tunnel junctionRemoveKatsuhiro Tanaka, Yuta Toga, Susumu Minami, Satoru Nakatsuji, Takuya Nomoto, Takashi Koretsune, and Ryotaro AritaPhys. Rev. Materials 10, 044405 (2026)