Fully Developed Anisotropic Hydromagnetic Turbulence in Interplanetary Space

descriptionPublicationkeyboard_double_arrow_right Article 14 Jul 1980 Italy English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 45, pages 144-147 (issn: 0031-9007,

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Authors: DOBROWOLNY M.; MANGENEY A.; VELTRI, Pierluigi;

doi: 10.1103/physrevlett.45.144

handle: 20.500.11770/154885

Fully Developed Anisotropic Hydromagnetic Turbulence in Interplanetary Space

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Abstract

The solar-wind magnetohydrodynamic turbulence is observed to be mainly made of Alfv\'enic fluctuations propagating away from the sun. It is shown that such an asymmetric state is a general consequence of the evolution of developed magnetohydrodynamic turbulence, which, starting from an initial asymmetry between modes with cross helicity + 1 and - 1, tends, as a consequence of nonlinear interactions, towards a state where the only modes left are those initially prevailing (with either cross helicity + 1 or - 1).

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Italy

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University of Calabria
Italy

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