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The inverse cascade of the mean square potential (A) in a 2D magnetofluid, randomly forced at small scales is studied by numerical simulations. It is shown that the cascade proceeds by coalescence of current filaments, which is a fast reconnection process owing to high turbulent resistivity. Statistics are Gaussian throughout. It is only in the asymptotic condensation phase when the quasi-static field dominates over the fluctuating that non-Gaussian statistics arise. These are, however, due to the static field while the superimposed turbulence remains Gaussian.

Additional information

Authors: BISKAMP D, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);BREMER U, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Report: IPP 6/320 EN (1994) 8 pp.
Availability: Available from Max-Planck-Institut für Plasmaphysik, 8046 Garching bei München (DE)
Record Number: 199410502 / Last updated on: 1994-11-28
Original language: en
Available languages: en
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