Self-similarity of rogue wave generation in gyrotrons: Beyond the Peregrine breather

R.M. Rozental, A.V. Slunyaev, N.S. Ginzburg, A.S. Sergeev and I.V. Zotova

Chaos, Solitons & Fractals, 2024, vol. 183, issue C

Abstract: Within the framework of numerical simulations, we study the gyrotron dynamics under conditions of a significant excess of the operating current over the starting value, when the generation of electromagnetic pulses with anomalously large amplitudes (“rogue waves”) can be realized. The averaged shape of high-power pulses is shown to be very close to the celebrated Peregrine breather. At the same time, we demonstrate that the relation between peak power and duration of rogue waves is self-similar, but does not reproduce the one characteristic for Peregrine breathers. Remarkably, the discovered self-similar relation corresponds to the exponential nonlinearity of an equivalent Schrödinger-like evolution equation. This interpretation can be used as a theoretical basis for explaining the giant amplitudes of gyrotron rogue waves.

Keywords: Rogue waves; Peregrine breather; Gyrotron (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:183:y:2024:i:c:s0960077924004363

DOI: 10.1016/j.chaos.2024.114884

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