PMO OpenIR  > 太阳和太阳系等离子体研究团组
Model of nonlinear kinetic Alfven waves with dissipation and acceleration of energetic electrons
Wu, DJ
2003-02-01
Source PublicationPHYSICAL REVIEW E
ISSN1539-3755
Volume67Issue:2Pages:027402
AbstractThe acceleration of energetic electrons has long been one of the most outstanding problems in astrophysics and space physics, and some recent observations from space satellites show that low-frequency electromagnetic fluctuations in the auroral ionosphere and magnetosphere can often be identified as the kinetic Alfven modes. A model of nonlinear kinetic Alfven waves is presented here, in which the effect of electron collisional dissipation has been taken into account. The result is a dissipative solitary kinetic Alfven wave (DSKAW), which can produce a local shocklike structure with a net electric potential drop and which can thereby accelerate efficiently the electrons to the order of the local Alfven velocity. Since Alfvenic fluctuation is the most common electromagnetic activity in extensive cosmic plasma environments, the present result suggests that the DSKAW could play an important role in the acceleration and energization of cosmic plasmas.
KeywordLow-beta-plasma Solar-flares Satellite Microwave
Subject AreaPhysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1103/PhysRevE.67.027402
WOS KeywordLOW-BETA-PLASMA ; SOLAR-FLARES ; SATELLITE ; MICROWAVE
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas ; Physics, Mathematical
WOS IDWOS:000181520300140
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/4606
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
Wu, DJ. Model of nonlinear kinetic Alfven waves with dissipation and acceleration of energetic electrons[J]. PHYSICAL REVIEW E,2003,67(2):027402.
APA Wu, DJ.(2003).Model of nonlinear kinetic Alfven waves with dissipation and acceleration of energetic electrons.PHYSICAL REVIEW E,67(2),027402.
MLA Wu, DJ."Model of nonlinear kinetic Alfven waves with dissipation and acceleration of energetic electrons".PHYSICAL REVIEW E 67.2(2003):027402.
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