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- Title
Analysis of Parametric Instability of Waves in Magnetic Nanogratings from the Bifurcation Points of the Nonlinear Maxwell Operator.
- Authors
Makeeva, G. S.
- Abstract
A technique for studying parametric instabilities in magnetic nanostructures is worked out using the developed computational algorithm for determining the bifurcation points of the nonlinear Maxwell operator. The instability of the process of parametric excitation of magnetostatic and spin waves (oscillations) in 2D gratings of magnetic nanoparticles (MNPs) is studied numerically as a function of the bifurcation parameters (the pump wave amplitude and frequency). The threshold values of the parametric instability of magnetostatic and spin oscillations in 2D grating of MPs (of micro- and nanosizes) are calculated depending on the distance between MNPs (the grating period).
- Subjects
NONLINEAR operators; SPIN waves; PARAMETRIC processes; SPIN excitations; MAGNETIC nanoparticles; OSCILLATIONS
- Publication
Technical Physics, 2023, Vol 68, Issue 8, p183
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/S1063784223070022