INTERPRETING POWER ANISOTROPY MEASUREMENTS IN PLASMA TURBULENCE

@article{Chen2010INTERPRETINGPA,
  title={INTERPRETING POWER ANISOTROPY MEASUREMENTS IN PLASMA TURBULENCE},
  author={C. H. K. Chen and Robert T. Wicks and Timothy S. Horbury and Alexander A. Schekochihin},
  journal={The Astrophysical Journal Letters},
  year={2010},
  volume={711},
  pages={L79 - L83}
}
A relationship is derived between power anisotropy and wavevector anisotropy in turbulent fluctuations. This can be used to interpret plasma turbulence measurements, for example, in the solar wind. If fluctuations are spatially anisotropic, then the ion gyroscale break point in measured spectra in the directions parallel and perpendicular to the magnetic field would not occur at the same frequency, and similarly for the electron gyroscale break point. This is an important consideration when… 

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