Two-magnon scattering in the framework of the Lippmann-Schwinger equation

Controlling magnetic losses requires identifying the microscopic origin of extrinsic linewidth broadening.

Controlling magnetic losses requires identifying the microscopic origin of extrinsic linewidth broadening. We introduce a Lippmann--Schwinger framework for two-magnon scattering from weak defect potentials, showing that scattering is set by the overlap between the perturbation…