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Effect of current sheets on the power spectrum of the solar wind magnetic field using a cell model
Li, G.; Qin, G.; Hu, Q.; Miao, B.; Li, G (reprint author), Univ Alabama, Dept Phys, Huntsville, AL 35899 USA.
Department空间科学部
Source PublicationADVANCES IN SPACE RESEARCH
2012
Volume49Issue:9Pages:1327–1332
ISSN16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
Language英语
KeywordSolar Wind Mhd Turbulence
AbstractA puzzling observation of solar wind MHD turbulence is the often seen Kolmogorov scaling of k(-5/3), even though the solar wind MHD turbulence is dominated by Alfvenic fluctuations. Recently Li et al. (2011) proposed that the presence of current sheets may be the cause of the Kolmogorov scaling. Here, using a cell model of the solar wind we examine the effect of current sheets on the power spectrum of the solar wind magnetic field. We model the solar wind as multiple cells separated by current sheets. We prescribe the spectra of turbulent magnetic field in individual cells as 1K-like and examine the spectra along trajectories that cross multiple boundaries. We find that these spectra become softer and are consistent with the Kolmogorov-scaling. Our finding supports our recent proposal of Li et al. (2011). (C) 2012 COSPAR. Published by Elsevier Ltd. All rights reserved.
Indexed BySCI ; EI
Document Type期刊论文
Version出版稿
Identifierhttp://ir.nssc.ac.cn/handle/122/3465
Collection空间科学部
Corresponding AuthorLi, G (reprint author), Univ Alabama, Dept Phys, Huntsville, AL 35899 USA.
Recommended Citation
GB/T 7714
Li, G.,Qin, G.,Hu, Q.,et al. Effect of current sheets on the power spectrum of the solar wind magnetic field using a cell model[J]. ADVANCES IN SPACE RESEARCH,2012,49(9):1327–1332.
APA Li, G.,Qin, G.,Hu, Q.,Miao, B.,&Li, G .(2012).Effect of current sheets on the power spectrum of the solar wind magnetic field using a cell model.ADVANCES IN SPACE RESEARCH,49(9),1327–1332.
MLA Li, G.,et al."Effect of current sheets on the power spectrum of the solar wind magnetic field using a cell model".ADVANCES IN SPACE RESEARCH 49.9(2012):1327–1332.
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