Transmutation of momentum into position in magnetic vortices
Stavros Komineas, Nikos Papanicolaou
TL;DR
This paper demonstrates how linear momentum can be converted into positional change in magnetic vortices through topological interactions, revealing new dynamics in ferromagnetic systems.
Contribution
It introduces a novel mechanism linking topology and dynamics, showing momentum transmutation and vortex polarity switching during vortex-antivortex interactions.
Findings
Momentum transmutation occurs during vortex-antivortex scattering.
Polarity switching happens in inelastic collisions.
Topological properties influence vortex dynamics.
Abstract
We show that transmutation of linear momentum into position may occur in a system of three magnetic vortices thanks to a direct link between topology and dynamics in a ferromagnet. This happens via exchange between the linear momentum of a vortex-antivortex pair and the position of a single vortex during a semi-elastic scattering process. Vortex polarity switching occurs in the case of inelastic collisions.
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