Modification of ionospheric plasma in the near Rf field of a dipole antenna: active experiment in space
Heading:
1Baranets, NV, 2Afonin, VV, 3Gladyshev, VA, 1Sobolev, Ya.P, 4Komrakov, GP 1Pushkov Institute of Terrestrial Magnetism, Ionosphere and Propagation of Radio Waves of the Russian AS, Troitsk, Russia 2Space Research Institute of the Russian AS, Moscow, Russia 3Earth Physics Institute of O.Yu. Schmidt of the Russian AS, Moscow, Russia 4Scientific and Research Radio Physical Institute, Nizhny Novgorod, Russia |
Kosm. nauka tehnol. 2000, 6 ;(5):35-48 |
https://doi.org/10.15407/knit2000.05.035 |
Publication Language: Russian |
Abstract: Experimental results of the sounder accelerated charged particles (SAP) and perturbed plasma density recorded in the near satellite region are considered. Ion acceleration after rf pulses (τ ≥ 0) is related to the self-similar plasma expansion into a vacuum (region 2) to negatively charged body. The boundary «plasma-sheath» stability (in region 3) during an rf pulse is also considered relative to the LF fluctuation of plasma density. The first observations of the ion flux at the electron cyclotron harmonics nωce. (n = 1, 2, ...) as well as the electron flux in the frequency range of ω0 = nωce - |κ0z vz |, n = 1, 2, ..., 5 (z II B0) are registered on Cosmos-1809 satellite. It is suggested that the acceleration of ions can be explained by the resonance increase of «Miller force» ~ V|E2 (r, z)|2ω0/ (ω0 − nωce ).
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Keywords: active experiment, Cosmos-1809, near satellite plasma |
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