Evolution of electron phase-space holes in 3D
نویسندگان
چکیده
منابع مشابه
Evolution of Electron Phase-Space Holes in a 2D Magnetized Plasma
The nonlinear stage of the two-stream instability in a 2D magnetized plasma produces electron phase-space tubes, the counterpart of phase-space holes in a 1D plasma. These tubes align primarily perpendicular to the magnetic field B0 and have self-consistent bipolar electric fields parallel to B0. Such bipolar electric fields have recently been observed in four different regions of the Earth’s s...
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We report here further results from the threedimensional particle-in-cell simulations of the electron-beam driven electron holes. We focus here on (i) the transformation of oscillatory waves driven by the electron-beam instability into electron holes, (ii) the continued evolution and propagation of electron holes after their formation, including merging of electron holes, and (iii) the effects ...
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Electron phase-space holes are formed and controlled in a plasma by adiabatic nonlinear phase locking (autoresonance) with a chirped frequency driving wave. The process has a threshold on the driving amplitude and involves dragging a void region in phase space into the bulk of the distribution via persistent Cherenkov-type resonance.
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This work presents detailed experimental observations of electron phase-space holes driven during magnetic reconnection events on the Versatile Toroidal Facility. The holes are observed to travel on the order of or faster than the electron thermal speed, and are of large size scale, with diameter of order 60 Debye lengths. In addition, they have 3-D spheroidal structure with approximately unity...
متن کاملObservations of electron phase-space holes driven during magnetic reconnection in a laboratory plasma
" Observations of electron phase-space holes driven during magnetic reconnection in a laboratory plasma. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. This work presents detailed experimental observations of electron phase-space holes driven during magnetic reconnection events on the Versatile Toroidal Facility. The holes ...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2001
ISSN: 0094-8276
DOI: 10.1029/2000gl012383