Author

J. Rau

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Preprint Oct 2026

Landau Theory for Non-relativistic Magnetism Beyond Altermagnetism

In this work we study phenomenological Landau theories of non-relativistic magnetic systems, generalizing work on the collinear case to coplanar and non-coplanar orders. Focusing on zero-wavevector ($\boldsymbol{k}=0$) magnetic orders described by a single irreducible representation of the crystallographic point group,...

Hana Schiff, Judit Romhányi, P. McClarty et al. · 0 citations

Preprint Aug 2026

Real-space manifestation of ferroic multipoles in altermagnetic MnF$_2$

Altermagnets are unconventional spin split magnets arising from the zero spin-orbit coupled limit. They host a magnetic multipolar order parameter yet direct real-space observation of these multipoles has remained elusive. Here we use polarized-neutron diffraction to reconstruct the three-dimensional magnetization dens...

I. Kibalin, D. Bounoua, J. A. Rodriguez Velamazan et al. · 0 citations