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Generation of fast particle fluxes by finite amplitude electromagnetic waves in space plasma

Generation of fast particle fluxes by finite amplitude electromagnetic waves in space plasma

The numerical calculations are performed to determine the regions of problem parameters in which the charged particles trapping and their following surfatron ultrarelativistic acceleration occur. It has been obtained the complicated structure of these region, in particular, the capture islands may...

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Bibliographic Details
Main Authors: Erokhin, N.S., Zolnikova, N.N., Grinevich, P.P., Mikhailovskaya, L.A.
Format: Article
Language:English
Published: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2006
Series:Вопросы атомной науки и техники
Subjects:
Космическая плазма
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/81161
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Summary:The numerical calculations are performed to determine the regions of problem parameters in which the charged particles trapping and their following surfatron ultrarelativistic acceleration occur. It has been obtained the complicated structure of these region, in particular, the capture islands may exist with ultrarelativistic acceleration of charges. In the case of plasma without external magnetic field the charges acceleration by the packet of finite amplitude electrostatic waves is investigated. The optimal choice of waves parameters has been substantiated which are favourable ones for the charges acceleration and correspond to the main parametric resonance realization in the wave-particle interaction. The dependence of acceleration dynamics on the wave phases distribution is studied.

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