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Published on: January 28, 2019
Amplification through chaotic synchronization in spatially extended beam-plasma systems
Olga I Moskalenko1, Nikita S Frolov1, Alexey A Koronovskii1
1Saratov State University, Astrakhanskaya, 83, Saratov 410012, Russia.
Abstract:
In this paper, we have studied the relationship between chaotic synchronization and microwave signal amplification in coupled beam-plasma systems. We have considered a 1D particle-in-cell numerical model of unidirectionally coupled beam-plasma oscillatory media being in the regime of electron pattern formation. We have shown the significant gain of microwave oscillation power in coupled beam-plasma media being in the different regimes of generation. The discovered effect has a close connection with the chaotic synchronization phenomenon, so we have observed that amplification appears after the onset of the complete time scale synchronization regime in the analyzed coupled spatially extended systems. We have also provided the numerical study of physical processes in the chain of beam-plasma systems leading to the chaotic synchronization and the amplification of microwave oscillations power, respectively.
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