Dispersion relation analysis of solar wind turbulence
Narita, Y. and Gary, S. P. and Saito, S. and Glassmeier, Karl-Heinz and Motschmann, Uwe (2011) Dispersion relation analysis of solar wind turbulence. Geophysical Research Letters, 38. American Geophysical Union. DOI: 10.1029/2010GL046588. ISSN 0094-8276.
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Frequency versus wave number diagram of turbulent magnetic fluctuations in the solar wind was determined for the first time in the wide range over three decades using four Cluster spacecraft. Almost all of the identified waves propagate quasi‐perpendicular to the mean magnetic field at various phase speeds, accompanied by a transition from the dominance of outward propagation from the Sun at longer wavelengths into mixture of counter‐propagation at shorter wavelengths. Frequency‐wave number diagram exhibits largely scattered populations with only weak agreement with magnetosonic and whistler waves. Clear identification of a specific normal mode is difficult, suggesting that nonlinear energy cascade is operating even on small‐scale fluctuations.
|Title:||Dispersion relation analysis of solar wind turbulence|
|Journal or Publication Title:||Geophysical Research Letters|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Publisher:||American Geophysical Union|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Vorhaben Planetenforschung (old)|
|Institutes and Institutions:||Institute of Planetary Research > Asteroids and Comets|
|Deposited By:||Laura-Maria Brumm|
|Deposited On:||20 Jun 2011 13:54|
|Last Modified:||26 Mar 2013 13:29|
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