PMO OpenIR  > 太阳和太阳系等离子体研究团组
Resonant wave-particle interactions modified by intrinsic Alfvenic turbulence
Wu, C. S.1,4; Wang, C. B.2; Wu, D. J.3; Lee, K. H.1
2012-08-01
Source PublicationPHYSICS OF PLASMAS
ISSN1070-664X
Volume19Issue:8Pages:082902
AbstractThe concept of wave-particle interactions via resonance is well discussed in plasma physics. This paper shows that intrinsic Alfven waves can qualitatively modify the physics discussed in conventional linear plasma kinetic theories. It turns out that preexisting Alfven waves can affect particle motion along the ambient magnetic field and, moreover, the ensuing force field is periodic in time. As a result, the meaning of the usual Landau and cyclotron resonance conditions becomes questionable. It turns out that this effect leads us to find a new electromagnetic instability. In such a process intrinsic Alfven waves not only modify the unperturbed distribution function but also result in a different type of cyclotron resonance which is affected by the level of turbulence. This instability might enable us to better our understanding of the observed radio emission processes in the solar atmosphere. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4742989]
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1063/1.4742989
WOS KeywordSOLAR-WIND
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000309252500072
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8052
Collection太阳和太阳系等离子体研究团组
Affiliation1.Natl Cent Univ, Inst Space Sci, Zhongli, Taiwan
2.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing, Jiangsu, Peoples R China
4.Univ Maryland, Inst Phys Sci & Technol, College Pk, MD 20742 USA
Recommended Citation
GB/T 7714
Wu, C. S.,Wang, C. B.,Wu, D. J.,et al. Resonant wave-particle interactions modified by intrinsic Alfvenic turbulence[J]. PHYSICS OF PLASMAS,2012,19(8):082902.
APA Wu, C. S.,Wang, C. B.,Wu, D. J.,&Lee, K. H..(2012).Resonant wave-particle interactions modified by intrinsic Alfvenic turbulence.PHYSICS OF PLASMAS,19(8),082902.
MLA Wu, C. S.,et al."Resonant wave-particle interactions modified by intrinsic Alfvenic turbulence".PHYSICS OF PLASMAS 19.8(2012):082902.
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