PMO OpenIR  > 太阳活动的多波段观测研究团组
The direct amplification of electromagnetic waves by electron beams: an alternate explanation for solar type III bursts
Guangli Huang
1998
Source PublicationAstrophysical Journal
Volume498Issue:2Pages:877-885
AbstractThe direct amplification of electromagnetic (EM) waves by the beam-plasma instability is proposed as an alternative for solar type III bursts in corona and planetary space, the main properties of type III bursts at meter bands are compared to this model, including the cutoff frequency, the timescale, the relative bandwidth, the polarization sense and degree, and the harmonic emission. This mechanism may explain the reason why the cutoff frequency or the low-frequency limit of type III bursts observed by the Ulysses spacecraft is much larger than the local electron plasma frequency, which may have resulted from the variation of the heliocentric distance of the spacecraft as well as the ratio between the local electron plasma and cyclotron frequencies
KeywordRadio-emission Processes Clumpy Langmuir-waves Ulysses Observations Plasma Frequency Instability Cyclotron
Subject AreaAstronomy & Astrophysics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8347
Collection太阳活动的多波段观测研究团组
Recommended Citation
GB/T 7714
Guangli Huang. The direct amplification of electromagnetic waves by electron beams: an alternate explanation for solar type III bursts[J]. Astrophysical Journal,1998,498(2):877-885.
APA Guangli Huang.(1998).The direct amplification of electromagnetic waves by electron beams: an alternate explanation for solar type III bursts.Astrophysical Journal,498(2),877-885.
MLA Guangli Huang."The direct amplification of electromagnetic waves by electron beams: an alternate explanation for solar type III bursts".Astrophysical Journal 498.2(1998):877-885.
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