Regensburg 2025 – scientific programme
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MA: Fachverband Magnetismus
MA 15: Poster I
MA 15.14: Poster
Tuesday, March 18, 2025, 10:00–12:30, P1
Developing a two sublattice model for spin inertia and nutation — •Tarek Moussa1, Ritwik Mondal2, and Akashdeep Kamra1 — 1Department of Physics, RPTU Kaiserlautern-Landau, Kaiserslautern, Germany — 2Department of Physics, Indian Institute of Technology (ISM) Dhanbad, India
Recent theoretical and experimental works on ultrafast magnetization dynamics suggest the existence of a finite spin inertia resulting in a nutation mode. Using the Landau-Lifshitz-Gilbert equation, we develop a two sublattice model for the description of spin inertia on the basis of an effective spin-orbit-coupling description and results for two sublattice ferrimagnets. We examine the conditions under which the two-sublattice model leads us to the magnetization dynamics description including spin inertia.
Keywords: Spin Inertia; Sublattice