Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
The nature of decimeter-wave microburst emission. / Bogod, V. M.; Yasnov, L. V.
в: Astronomy Reports, Том 49, № 2, 01.01.2005, стр. 144-154.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - The nature of decimeter-wave microburst emission
AU - Bogod, V. M.
AU - Yasnov, L. V.
PY - 2005/1/1
Y1 - 2005/1/1
N2 - New observations of solar microbursts are reported. The spectra of microbursts can contain narrow features (Δf/f ≤ 0.03). Possible mechanisms for the generation of the microburst radio emission are analyzed, focusing on mechanisms that preferentially generate ordinary waves. Together with the well-known generation of radio emission at the fundamental plasma frequency, mechanisms associated with upper-hybrid waves and resonant-transition radiation are considered. The radio emission at the upper-hybrid frequency always corresponds to ordinary waves. Ordinary waves can also dominate in resonant-transition radiation, but the presence of well-developed small-scale turbulence in the emission region is required. Possible mechanisms for the generation of this turbulence include thermal fluctuations, Langmuir turbulence, quasi-stationary structures created by plasma waves, and ion-acoustic waves. Probable origins of the quasi-periodicity of microbursts are analyzed.
AB - New observations of solar microbursts are reported. The spectra of microbursts can contain narrow features (Δf/f ≤ 0.03). Possible mechanisms for the generation of the microburst radio emission are analyzed, focusing on mechanisms that preferentially generate ordinary waves. Together with the well-known generation of radio emission at the fundamental plasma frequency, mechanisms associated with upper-hybrid waves and resonant-transition radiation are considered. The radio emission at the upper-hybrid frequency always corresponds to ordinary waves. Ordinary waves can also dominate in resonant-transition radiation, but the presence of well-developed small-scale turbulence in the emission region is required. Possible mechanisms for the generation of this turbulence include thermal fluctuations, Langmuir turbulence, quasi-stationary structures created by plasma waves, and ion-acoustic waves. Probable origins of the quasi-periodicity of microbursts are analyzed.
UR - http://www.scopus.com/inward/record.url?scp=17044407075&partnerID=8YFLogxK
U2 - 10.1134/1.1862361
DO - 10.1134/1.1862361
M3 - Article
AN - SCOPUS:17044407075
VL - 49
SP - 144
EP - 154
JO - Astronomy Reports
JF - Astronomy Reports
SN - 1063-7729
IS - 2
ER -
ID: 36546532