Observation of chiral domain walls in an octupole-ordered antiferromagnetRemoveMoeta Tsukamoto, Zhewen Xu, Tomoya Higo, Kouta Kondou, Kento Sasaki, Mihiro Asakura, Shoya Sakamoto, Pietro Gambardella, Shinji Miwa, YoshiChika Otani, Satoru Nakatsuji, Christian L. Degen, and Kensuke KobayashiPhys. Rev. B 112, L020404 (2025)