Spin wave reconstruction with ray magnonics
Phys. Rev. B 112, 014428 – Published 15 July, 2025
DOI: https://doi.org/10.1103/5bqm-n4j2
Abstract
Spin waves, or quantized as magnons, are one of the basic excitations and fundamental spin carriers in magnetic systems. Understanding the propagation and scattering behaviors of spin waves upon inhomogeneous magnetic mediums is indispensable toward its full manipulation and exploitation. Here, we report a spin wave reconstruction scheme that retrieves phase information from magnon rays as an inverse procedure that decomposes the propagating spin wave into separate magnon rays. With the aid of magnon rays, the topological features of the spin wave profile upon a magnetic skyrmion is anatomized in a ray-by-ray fashion. The interplay between particle and wave aspects of spin waves offers another paradigm in designing functional magnetic devices.
