نتایج جستجو برای: lower hybrid waves
تعداد نتایج: 980594 فیلتر نتایج به سال:
A large amplitude upper hybrid wave has potential to be employed as a wiggler for the generation of high frequency coherent radiation via free electron laser (FEL) instability. At a density fluctuation level of a few percent, due to the upper hybrid wave, the growth time of FEL instability, with electron beam current of a few kilo ampere, turns out to be of the order of a nanosecond. The growth...
Saturation of Alfven oscillations in the ring current region due to generation of lower hybrid waves
The electron cyclotron (EC) system on EAST consists of four gyrotrons with a frequency 140 GHz (second harmonic the extraordinary mode), each which is expected to deliver maximum power 1.0 MW and be operated at 100-1000 s pulse length. Significant progress in long-pulse operation has been achieved recently, including duration up 1056 EC injected into plasma 0.55 310 1.6 (output by 3 gyrotrons)....
Citation Fox, W. et al. " Laboratory Observations of Electron Energization and Associated Lower-hybrid and Trivelpiece–Gould Wave Turbulence During Magnetic Reconnection. Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please ...
The magnetic reconnection experiment has recently seen short wavelength ([Formula: see text]) lower-hybrid waves near the electron diffusion region in strong guide field reconnection. Based on plasma parameters from experiment, we perform a three-dimensional fully kinetic simulation order to investigate generation of and their effects process. We find that low-beta regions around site are unsta...
The results of a theoretical modeling study and experimental investigation of the propagation properties of shear Alfvén waves of small transverse scale in a plasma with two ion species are reported. In the two ion plasma, depending on the mass of the heavier species, ion kinetic effects can become prominent, and significant parallel electric fields result in electron acceleration. The theory p...
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