Parametric excitations of coupled nanomagnets
Mesoscale and Nanoscale Physics
2023-08-08 v1 Pattern Formation and Solitons
Abstract
We demonstrate that parametrically excited eigenmodes in nearby nanomagnets can be coupled to each other. Both positive (in-phase) and negative (anti-phase) couplings can be realized by a combination of appropriately chosen geometry and excitation field frequency. The oscillations are sufficiently stable against thermal fluctuations. The phase relation between field-coupled nanomagnets shows a hysteretic behavior with the phase relation being locked over a wide frequency range. We envision that this computational study lays the groundwork to use field-coupled nanomagnets as parametrons as building blocks of logic devices, neuromorphic systems or Ising machines.
Cite
@article{arxiv.2308.03327,
title = {Parametric excitations of coupled nanomagnets},
author = {Domonkos Laszlo Farkas and Gyorgy Csaba},
journal= {arXiv preprint arXiv:2308.03327},
year = {2023}
}