RKKY signatures as a probe for intrinsic magnetism and differentiation between axion insulator and quantum anomalous Hall phases in MnBi2Te4 filmsRemoveYa-Xi Li, Zi-Jian Chen, Rui-Qiang Wang, Ming-Xun Deng, Mou Yang, and Hou-Jian DuanPhys. Rev. B 113, 155148 (2026)
