A two-component phenomenology for homogeneous magnetohydrodynamic turbulence

Details A two-component phenomenology for homogeneous magnetohydrodynamic turbulence A two-component phenomenology for homogeneous magnetohydrodynamic turbulence

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006phpl...13d2306o&link_type=abstract

Physics of Plasmas, Volume 13, Issue 4, pp. 042306-042306-8 (2006).

Physics

18

Plasma Turbulence, Magnetohydrodynamics, Magnetohydrodynamic Waves, Transport Properties

Scientific paper

A one-point closure model for energy decay in three-dimensional magnetohydrodynamic (MHD) turbulence is developed. The model allows for influence of a large-scale magnetic field that may be of strength sufficient to induce Alfvén wave propagation effects, and takes into account components of turbulence in which either the wave-like character is negligible or is dominant. This two-component model evolves energy and characteristic length scales, and may be useful as a simple description of homogeneous MHD turbulent decay. In concert with spatial transport models, it can form the basis for approximate treatment of low-frequency plasma turbulence in a variety of solar, space, and astrophysical contexts.

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