Stochastic E×B particle transport
作者： Robert G. Kleva , J. F. Drake
DOI: 10.1063/1.864823
关键词: Magnetic field 、 Guiding center 、 Stochastic process 、 Classical mechanics 、 Physics 、 Mechanics 、 Magnetosphere particle motion 、 Phase velocity 、 Amplitude 、 Drift velocity 、 Electric field 、 General Engineering
摘要: The E×B particle guiding center motion caused by two propagating electrostatic waves is investigated. Particle stochastic if three criteria are met: (1) the phase velocities of not equal, (2) drift generated each wave nearly same, and (3) total velocity larger than wave. transport in regime distinguished important characteristics: diffusion coefficient virtually independent electric field fluctuation amplitude E at large E, only which produce commensurate drifts, correlation time does depend on but rather periods. physical mechanism underlying discussed. At dominated a small group particles make long jumps along separatrix potential contours waves.
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