PMO OpenIR  > 太阳活动的多波段观测研究团组
Effects of gyroresonance absorption and self absorption on the gyrosynchrotron radiation spectrum
Zhou, AH; Su, YN; Huang, GL
2004-10-01
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume21Issue:10Pages:2067-2070
AbstractEffects of gyroresonance absorption and self absorption on the gyrosynchrotron radiation spectrum are investigated with a model in a magnetic dipole field. It is found that the gyroresonance absorption and self absorption suppress substantially the gyrosynchrotron radiation at lower frequencies where the radio source is optically thick. The suppression of the gyroresonance absorption on the spectrum increases with the increasing temperature and density of thermal electrons. The suppression of the self absorption on the spectrum increases as increasing number density of the nonthermal electrons. The influences of the gyroresonance absorption and the self one on the spectrum are compared quantitatively. It is shown that only when the number density of the nonthermal electron reaches a higher value of about 3 x 10(4) cm(-3) above 10 keV, can the effect of the self absorption on the spectrum compare with the effect of the gyroresonance absorption.
KeywordGyro-synchrotron Emission Magnetic Dipole Field X-ray-bursts Microwave Expressions Model
Subject AreaPhysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordGYRO-SYNCHROTRON EMISSION ; MAGNETIC DIPOLE FIELD ; X-RAY-BURSTS ; MICROWAVE ; EXPRESSIONS ; MODEL
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000224453100057
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/7731
Collection太阳活动的多波段观测研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhou, AH,Su, YN,Huang, GL. Effects of gyroresonance absorption and self absorption on the gyrosynchrotron radiation spectrum[J]. CHINESE PHYSICS LETTERS,2004,21(10):2067-2070.
APA Zhou, AH,Su, YN,&Huang, GL.(2004).Effects of gyroresonance absorption and self absorption on the gyrosynchrotron radiation spectrum.CHINESE PHYSICS LETTERS,21(10),2067-2070.
MLA Zhou, AH,et al."Effects of gyroresonance absorption and self absorption on the gyrosynchrotron radiation spectrum".CHINESE PHYSICS LETTERS 21.10(2004):2067-2070.
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