Journal
ASTROPHYSICAL JOURNAL LETTERS
Volume 789, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/2041-8205/789/1/L8
Keywords
magnetic fields; plasmas; solar wind; turbulence
Categories
Funding
- Imperial College Junior Research Fellowship
- NASA [NNN06AA01C, NAS5-02099]
- GACR [P209/12/1774]
- Marie Curie Project FP7 PIRSES-269297-Turboplasmas.
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The intermittency of density fluctuations in the solar wind at kinetic scales has been examined using high time resolution Faraday cup measurements from the Spektr-R spacecraft. It was found that the probability density functions (PDFs) of the fluctuations are highly non-Gaussian over this range, but do not show large changes in shape with scale. These properties are statistically similar to those of the magnetic fluctuations and are important to understanding the dynamics of small scale turbulence in the solar wind. Possible explanations for the behavior of the density and magnetic fluctuations are discussed.
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