Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 36, issue 1
Articles | Volume 36, issue 1
https://doi.org/10.5194/angeo-36-47-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-36-47-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 36, issue 1
ANGEO Communicates
 | 
12 Jan 2018
ANGEO Communicates |  | 12 Jan 2018

Multi-scale analysis of compressible fluctuations in the solar wind

Owen W. Roberts, Yasuhito Narita, and C.-Philippe Escoubet

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Short summary
To investigate compressible plasma turbulence in the solar wind on proton kinetic scales, a high time resolution measurement of the density is obtained from the spacecraft potential. Correlation between the magnetic field strength and the density is investigated as is the rotation sense of the magnetic field. The analysis reveals that compressible fluctuations are characteristic of kinetic Alfvén waves or a mixture of kinetic Alfvén and kinetic slow waves which counter-propagate.
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