Radial Spectral Evolution of the Elsässer Variable z − in the Slow Solar Wind

The nature of the Elsässer variable z ^− plays a significant role in the understanding of solar wind turbulence. The radial spectral evolution of z ^− observed by the Helios spacecraft suggests that z ^− has a persistent background spectrum in the low-frequency range from 0.3 to 1 au. However, the r...

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Bibliographic Details
Main Authors: Honghong Wu, Shiyong Huang, Jiansen He, Liping Yang, Zhigang Yuan
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/ad3728