ON ELECTRON-SCALE WHISTLER TURBULENCE in the SOLAR WIND

Y. Narita, R. Nakamura, W. Baumjohann, K. H. Glassmeier, U. Motschmann, B. Giles, W. Magnes, D. Fischer, R. B. Torbert, C. T. Russell, R. J. Strangeway, J. L. Burch, Y. Nariyuki, S. Saito, S. P. Gary

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

For the first time, the dispersion relation for turbulence magnetic field fluctuations in the solar wind is determined directly on small scales of the order of the electron inertial length, using four-point magnetometer observations from the Magnetospheric Multiscale mission. The data are analyzed using the high-resolution adaptive wave telescope technique. Small-scale solar wind turbulence is primarily composed of highly obliquely propagating waves, with dispersion consistent with that of the whistler mode.

Original languageEnglish
Article numberL8
JournalAstrophysical Journal Letters
Volume827
Issue number1
DOIs
StatePublished - 2016/08/10

Keywords

  • Plasmas
  • Solar wind
  • Turbulence

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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