Spin Hall and Edelstein effects in chiral non-collinear altermagnets.

ABSTRACT: Altermagnets are a newly discovered class of magnetic phases that combine the spin polarization behavior of ferromagnetic band structures with the vanishing net magnetization characteristic of antiferromagnets. Initially proposed for collinear magnets, the concept has since been extended to include certain non-collinear structures. A recent development in Landau theory for collinear altermagnets incorporates spin-space symmetries, providing a robust framework for identifying this class of materials. Here, we expand on that theory to identify altermagnetic multipolar order parameters in non-collinear chiral materials. We demonstrate that the interplay between non-collinear altermagnetism and chirality allows for spatially odd multipole components, leading to non-trivial spin textures on Fer

SUBMITTER: Hu M 

PROVIDER: S-EPMC12475269 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature