Dynamic magnetic response of infinite arrays of ferromagnetic particles
Kirill Rivkin, W. Saslow, L. E. De Long, J. B. Ketterson
TL;DR
This paper extends techniques for analyzing ferromagnetic particles to infinite arrays, enabling better understanding of their magnetic response and aligning theoretical predictions with experimental FMR results.
Contribution
It introduces a method to analyze eigenmodes and absorption in infinite ferromagnetic particle arrays, advancing the theoretical modeling of such systems.
Findings
Good agreement between theory and recent FMR experiments
Extended techniques to infinite arrays of particles
Enhanced understanding of magnetic eigenmodes
Abstract
Recently developed techniques to find the eigenmodes of a ferromagnetic particle of arbitrary shape, as well as the absorption in the presence of an inhomogeneous radio-frequency field, are extended to treat infinite lattices of such particles. The method is applied to analyze the results of recent FMR experiments, and yields substantially good agreement between theory and experiment.
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