Comment on “On two-dimensional magnetohydrodynamic turbulence” [Phys. Plasmas8, 3282 (2001)]

Verma, Mahendra K. ; Dar, Gaurav ; Eswaran, V. (2002) Comment on “On two-dimensional magnetohydrodynamic turbulence” [Phys. Plasmas8, 3282 (2001)] Physics of Plasmas, 9 (4). pp. 1484-1485. ISSN 1070-664X

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Official URL: http://doi.org/10.1063/1.1459064

Related URL: http://dx.doi.org/10.1063/1.1459064

Abstract

Biskamp and Schwarz [Phys. Plasmas 8, 3282 (2001)] have reported that the energy spectrum of two-dimensional magnetohydrodynamic turbulence is proportional to k−3/2, which is a prediction of Iroshnikov–Kraichnan phenomenology. In this Comment some earlier results are reported which conclusively show that for two-dimensional magnetohydrodynamic turbulence, Kolmogorov-like phenomenology (spectral index 5/3) is a better model than Iroshnikov–Kraichnan phenomenology; these results are based on energy flux analysis.

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