Iacocca Group

Pseudospectral method resolves atomic scale dynamics

We have published a new continuum method that resolves atomic-scale magnetization dynamics with good accuracy. The method is pseudospectral and so is amenable to analytical calculation. Limiting cases of modulational instability (a long-wave phenomenon) and transient grating (a regime where long and short waves co-exist) were resolved in excellent agreement with atomistic spin dynamics. We expect this model to be the foundational stone for a better modeling of topological textures.

Fantastic work by Kyle Rockwell on this research and special thanks to our international collaborators Joel Hirst and Thomas Ostler.

This research was supported by the U.S. Department of Energy, Office of Science.