期刊
ASTROPHYSICAL JOURNAL
卷 900, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.3847/1538-4357/abab0f
关键词
Heliosphere; Solar wind; Magnetohydrodynamics
资金
- NASA [80NSSC18K1215, 80NSSC17K0009]
- NSF [AGS2005982, AGS1357893]
- NASA SRT Grant [NNG06GD55G]
- Sun-2-Ice (NSF) [AGS1135432]
- Polish National Science Center [2015/19/B/ST9/01328]
- Polish National Agency for Academic Exchange (NAWA) Bekker Program Fellowship [PPN/BEK/2018/1/00049]
We examine both Voyager and Advanced Composition Explorer magnetic field measurements at frequencies that characterize the inertial range using traditional polarization techniques that are designed to characterize plasma waves. Although we find good agreement with both the anticipated spectral index of the power spectrum and the scaling of magnetic power with heliocentric distance, we do not find that the polarization analyses yield results that can be readily described by plasma wave theory. The fluctuations are not circularly polarized and there is a markedly reduced coherence between the components of the fluctuation. The degree of polarization is also generally low, although not as low as the coherence, and the minimum variance direction is essentially random. We conclude that traditional plasma wave theory may not offer a good description for inertial-range fluctuations.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据