paper

Scaling properties of three-dimensional magnetohydrodynamic turbulence

arXiv:physics/9906003 · doi:10.1103/PhysRevLett.84.475

Abstract

The scaling properties of three-dimensional magnetohydrodynamic turbulence are obtained from direct numerical simulations of decaying turbulence using modes. The results indicate that the turbulence does not follow the Iroshnikov-Kraichnan phenomenology.In the case of hyperresistivity, the structure functions exhibit a clear scaling range yielding absolute values of the scaling exponents . The scaling exponents agree with a modified She-Leveque model , corresponding to Kolmogorov scaling but sheet-like geometry of the dissipative structures.

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