Dresden 2026 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 37: Non-Skyrmionic Magnetic Textures

MA 37.3: Vortrag

Mittwoch, 11. März 2026, 15:30–15:45, POT/0351

Hopfions in Symmetry-Transformed Magnetic Models — •Sandra Chulliparambil Shaju, Maria Azhar, and Karin Everschor-Sitte — Faculty of Physics and CENIDE, University of Duisburg-Essen

Three-dimensional (3D) topological spin structures continue to attract significant interest due to their rich physics and potential for future information technologies. We present a systematic framework of continuously transformed models that enables the stabilisation of topologically non-trivial 3D spin configurations. By applying this approach, we construct an effective model that hosts Hopfions embedded in a ferromagnetic background, with distinct energetic and dynamical characteristics. Our results provide new routes for investigating the formation, stability, and dynamics of three-dimensional topologically non-trivial textures.

Keywords: Magnetic Hopfions; 3D nanomagnetism; Three dimensional textures