Bibliography



Van Allen Probes Bibliography is from August 2012 through September 2021

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ULF-modulation of whistler-mode waves in the inner magnetosphere during solar wind compression


AuthorShang, Xiongjun; Liu, Si; Chen, Lunjin; Gao, Zhonglei; Wang, Geng; He, Qian; Li, Tong; Xiao, Fuliang;
KeywordsVan Allen Probes
AbstractAbstract The solar wind plays important roles on terrestrial magnetosphere dynamics, including the particle population and plasma waves generation. Here we report an interesting event that ULF waves are enhanced right after solar wind compression and the compressional mode ULF wave subsequently modulates both the intensity and energy flux direction of whistler-mode waves. Quasi-periodic whistler-mode wave packets are observed around L=5.6 at noon sector by Van Allen Probes. Growth rate calculation demonstrates that the compressional mode ULF wave can modulate the whistler-mode wave intensity by modulating the energetic electron anisotropy. Moreover, the direction of wave energy flux is observed to alternate between northward and southward at equator, which is probably because the intense ULF waves periodically alter the relative direction of the wave source region respect to the spacecraft. The current results provide a chain of observational evidences to illustrate how the generation and propagation of whistler-mode waves in the inner magnetosphere are affected by ULF waves during the solar wind dynamic pressure enhancement. This article is protected by copyright. All rights reserved.
Year of Publication2021
JournalJournal of Geophysical Research: Space Physics
Volumen/a
Number of Pagese2021JA029353
Section
Date Published07/2021
ISBN
URLhttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2021JA029353
DOIhttps://doi.org/10.1029/2021JA029353