Abstract The stability of trapped particle fluxes are examined near the Kennel-Petschek limit. In the absence of coupling between the ionosphere and magnetosphere it is found that both the fluxes and the associated wave intensities are stable to external perturbations. However, if the ionosphere and magnetosphere are coupled through the ducting of the waves then a positive feedback may develop depending on the efficiency of the coupling. This results is a spiky, nonlinear precipitation pattern which for electrons has a period on the order of hundreds of seconds. Here we give a linear analysis that highlights the regions of instability together with a computer simulation of the nonlinear regimes.


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    Titel :

    Active control and nonlinear feedback instabilities in the earth's radiation belts


    Beteiligte:
    Silevitch, M.B. (Autor:in) / Rothwell, P.L. (Autor:in) / Villalon, E. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 10 , 7 ; 159-162


    Erscheinungsdatum :

    1989-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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