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SCALE DEPENDENCE OF MAGNETIC HELICITY IN THE SOLAR WIND
2011
Astrophysical Journal
We determine the magnetic helicity, along with the magnetic energy, at high latitudes using data from the Ulysses mission. The data set spans the time period from 1993 to 1996. The basic assumption of the analysis is that the solar wind is homogeneous. Because the solar wind speed is high, we follow the approach first pioneered by Matthaeus et al. (1982, Phys. Rev. Lett. 48, 1256) by which, under the assumption of spatial homogeneity, one can use Fourier transforms of the magnetic field time
doi:10.1088/0004-637x/734/1/9
fatcat:ibdasg7l5jdbhdipybzgzy4v5q