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Compressible turbulence with slow-mode waves observed in the bursty bulk flow of plasma sheet
Wang, Tieyan; Cao, Jinbin; Fu, Huishan; Meng, Xuejie; Dunlop, M.; Cao, JB (reprint author), Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China.
Department空间科学部
Source PublicationGEOPHYSICAL RESEARCH LETTERS
2016
Volume43Issue:5Pages:1854-1861
ISSN0094-8276
Language英语
KeywordTurbulence Plasma Sheet Slow Waves Multiscale Bursty Bulk Flow Probability Density Function
AbstractIn this paper, we report the evidence of compressible turbulence with slow-mode waves in a bursty bulk flow of plasma sheet. This compressible turbulence is characterized by a multiscale (1-60s) anticorrelation between plasma density and magnetic field strength. Besides, the magnetic compressibility spectrum stays nearly constant at all the measured frequencies. Furthermore, the turbulence energy distributions are anisotropic with k>k(//), and the dispersion relation is consistent with slow-mode prediction. The fluctuations of density and magnetic field have similar double slope spectrum and kurtosis. These results suggest that the slow waves are involved in the intermittent turbulence cascade from MHD to ion kinetic scales, which may have significant implications for the energy transfer in the plasma sheet.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5667
Collection空间科学部
Corresponding AuthorCao, JB (reprint author), Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Tieyan,Cao, Jinbin,Fu, Huishan,et al. Compressible turbulence with slow-mode waves observed in the bursty bulk flow of plasma sheet[J]. GEOPHYSICAL RESEARCH LETTERS,2016,43(5):1854-1861.
APA Wang, Tieyan,Cao, Jinbin,Fu, Huishan,Meng, Xuejie,Dunlop, M.,&Cao, JB .(2016).Compressible turbulence with slow-mode waves observed in the bursty bulk flow of plasma sheet.GEOPHYSICAL RESEARCH LETTERS,43(5),1854-1861.
MLA Wang, Tieyan,et al."Compressible turbulence with slow-mode waves observed in the bursty bulk flow of plasma sheet".GEOPHYSICAL RESEARCH LETTERS 43.5(2016):1854-1861.
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