Voltage manipulation of magnetic rogue waves for controllable electromagnetic interference

Xin-Wei Jin, Yi-Miao Zhao, Liang Duan, Zhan-Ying Yang and Wen-Li Yang

Chaos, Solitons & Fractals, 2024, vol. 185, issue C

Abstract: In this paper, we investigated the excitation of magnetic rogue waves and their voltage control in ferromagnetic nanowires. Starting from the Maxwell equations coupled with the Landau–Lifshitz–Gilbert equation, we derived the generalized derivative nonlinear Schrödinger equation under the long-wave approximation, which describes the nonlinear wave evolution in anisotropic ferromagnetic nanowires. By constructing the corresponding Lax pair, we obtained the exact solutions of first-order and second-order magnetic rogue waves via a generalized Darboux transformation. After spectral analysis and modulation instability analysis, we present the excitation regions of magnetic rogue waves. Furthermore, we tested and achieved precise control over the occurrence positions of first-order and second-order magnetic rogue waves by applying bias voltage. We further discussed the physical implications of these results, highlighting their potential applications in controlled electromagnetic interference for data destruction.

Keywords: Magnetic rogue wave; Voltage-controlled magnetic anisotropy (VCMA) effect; Darboux transformation; Modulation instability (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:185:y:2024:i:c:s0960077924007239

DOI: 10.1016/j.chaos.2024.115171

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