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Theory of bound magnetic polarons in cubic and uniaxial antiferromagnets
Dawid Bugajewski, Carmine Autieri, Tomasz Dietl
https://arxiv.org/abs/2506.10208 h…

Theory of bound magnetic polarons in cubic and uniaxial antiferromagnets
Motivated by a recent debate about the origin of remanent magnetization and the corresponding anomalous Hall effect in antiferromagnets and their subclass, altermagnets, a theory of bound magnetic polarons (BMPs) in anisotropic antiferromagnetic semiconductors is developed. The theory describes quantitatively the experimentally observed magnitude of excess magnetization and its dependence on the magnetic field in cubic antiferromagnetic EuTe. In contrast to the cubic case, our theory predicts t…