Chaotic Spin-Wave Solitons in Magnetic Film Feedback Rings
Zihui Wang, Aaron Hagerstrom, Justin Q. Anderson, Wei Tong, Mingzhong, Wu, Lincoln D. Carr, Richard Eykholt, and Boris A. Kalinikos
TL;DR
This paper reports the first observation of chaotic spin-wave solitons in magnetic film feedback rings, demonstrating self-generation of soliton pulses with chaotic amplitude variations, supported by numerical simulations.
Contribution
It introduces the experimental observation of chaotic spin-wave solitons and provides a theoretical model that reproduces these phenomena.
Findings
First observation of chaotic spin-wave solitons in magnetic feedback rings
Self-generation of single soliton pulses at certain gain levels
Numerical simulations successfully replicate experimental results
Abstract
Chaotic spin-wave solitons in magnetic film active feedback rings were observed for the first time. At some ring gain level, one observes the self-generation of a single spin-wave soliton pulse in the ring. When the pulse circulates in the ring, its amplitude varies chaotically with time. Numerical simulations based on a gain-loss nonlinear Schr\"odinger equation reproduce the observed responses.
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