Magnon-phase is an important entity in the parametric processes involving magnons, yet the general qualitative and quantitative consequences of the phase-noise on nonlinear properties remain far from understood. In the current simulation-based theoretical study, we explore the direct impact the phase-noise has on non-linearity. We use analytical techniques usually employed in the study of hydrodynamics to explain the magnon-based nonlinear phenomena. The behavior of the threshold-field and growth rate of the magnons in the presence of Gaussian phase-noise is analytically predicted. These predictions are verified by micromagnetic simulations. Such results are of crucial importance in the design and engineering of both traditional and futuristic devices.
Bibliographical noteFunding Information:
This work was supported by the U.S. Defense Advanced Research Projects Agency (DARPA) under Grant W911NF-17-1-0100. This work used the Extreme Science and Engineering Discovery Environment (XSEDE), which is supported by NSF grant number ACI-1548562. XSEDE GPU P100 nodes at Comet and Bridges were used through the allocation TG-ECS200001. The authors thank the Early User Program (EUP) at SDSC Expanse for V100 GPU nodes and other computational and storage resources. The authors also acknowledge the Minnesota Supercomputing Institute (MSI) at the University of Minnesota for providing resources that contributed to the research results reported within this paper.
© 2021, The Author(s).
PubMed: MeSH publication types
- Journal Article