Speaker
Description
Atomistic spin dynamics provides a powerful framework for simulating magnetization dynamics on the fundamental length and time scales where quantum mechanics, exchange interactions, and thermal fluctuations all play essential roles. In this talk, I will introduce the core ideas behind atomistic spin dynamics theory, and how the parameters entering the Hamiltonian can be computed from density functional theory so that the theory becomes independent of experimental input. I will then show some examples of how this approach enables quantitative predictions for topological spin textures—such as skyrmions, antiskyrmions, and their interactions. Finally, I will discuss atomistic spin dynamics in relation to topological magnons. Together, these examples illustrate how atomistic spin dynamics bridges microscopic physics and emergent topological phenomena in modern magnetic materials.