PMO OpenIR  > 太阳和太阳系等离子体研究团组
A model for the coherent emission of solar radio moving type IV bursts
Wang, DY
2004-10-01
Source PublicationCHINESE ASTRONOMY AND ASTROPHYSICS
ISSN0275-1062
Volume28Issue:4Pages:404-411
AbstractA theoretical model is proposed for interpreting the coherent emission mechanism of solar radio moving type IV bursts. Energetic electrons produced in flares captured by an expanding and rising magnetic flux tube exhibit a beam-like distribution of velocities on the top of the flux tube. These excite beaming plasma instability and directly amplifies O-mode electromagnetic waves. The instability growth rate sensitively depends on the coronal plasma parameter, f(pe)/f(ce), and the beam-temperature T-b. This can qualitatively explain the high brightness temperature and high degree of polarization as well as the broad spectrum observed in this type of solar radio bursts.
KeywordSun : Flares Radio Continuum : Sun Plasma
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.chinastron.2004.09.004
WOS KeywordCYCLOTRON
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000226493300004
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7760
Collection太阳和太阳系等离子体研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Wang, DY. A model for the coherent emission of solar radio moving type IV bursts[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2004,28(4):404-411.
APA Wang, DY.(2004).A model for the coherent emission of solar radio moving type IV bursts.CHINESE ASTRONOMY AND ASTROPHYSICS,28(4),404-411.
MLA Wang, DY."A model for the coherent emission of solar radio moving type IV bursts".CHINESE ASTRONOMY AND ASTROPHYSICS 28.4(2004):404-411.
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