Universal properties of the nonadiabatic acceleration of ions in current sheets |
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| Authors: | L M Zelenyĭ M S Dolgonosov E E Grigorenko J -A Sauvaud |
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| Institution: | (1) Space Research Institute, Russian Academy of Sciences, ul. Profsoyuznaya 84/32, Moscow, 117997, Russia;(2) Centre d’Etude Spatiale des Rayonnements, 4346-31028 Toulouse, France |
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| Abstract: | The electric-field-induced acceleration of ions in current sheets in a collisionless plasma is investigated. The analysis of nonadiabatic ion dynamics provides a universal property of the ion acceleration mechanism, which is independent of the magnetic-field model and the initial particle distribution function. The width of the resonance region is estimated. The theoretical results are compared with the experimental and numerical simulation data. |
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