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On wave turbulence in MHD

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UNSPECIFIED (2001) On wave turbulence in MHD. In: 25th General Assembly of the European-Geophysical-Society, NICE, FRANCE, APR, 2000. Published in: NONLINEAR PROCESSES IN GEOPHYSICS, 8 (3). pp. 141-150.

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Abstract

We describe the fundamental differences between weak (wave) turbulence in incompressible and weakly compressible MHD at the level of three-wave interactions. The main difference is in the structure of the resonant manifolds and the mechanisms of redistribution of spectral densities along the applied magnetic field B-0. Similar to pure acoustic waves, a three-wave resonance between collinear wavevectors is observed but, in addition, we also have a resonance through tilted planes and spheres. The properties of resonances and their consequences for the asymptotics are also discussed.

Item Type: Conference Item (UNSPECIFIED)
Subjects: Q Science > QE Geology
Journal or Publication Title: NONLINEAR PROCESSES IN GEOPHYSICS
Publisher: EUROPEAN GEOPHYSICAL SOCIETY
ISSN: 1023-5809
Date: May 2001
Volume: 8
Number: 3
Number of Pages: 10
Page Range: pp. 141-150
Publication Status: Published
Title of Event: 25th General Assembly of the European-Geophysical-Society
Location of Event: NICE, FRANCE
Date(s) of Event: APR, 2000
URI: http://wrap.warwick.ac.uk/id/eprint/11968

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