Symmetry, statistics and structure in MHD turbulence | Zendy

John V. Shebalin | Zendy

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Symmetry, statistics and structure in MHD turbulence

Author(s) -

John V. Shebalin

Publication year - 2007

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.2778966

Subject(s) - magnetohydrodynamics , physics , dissipative system , magnetohydrodynamic turbulence , dynamo , turbulence , magnetohydrodynamic drive , dissipation , symmetry (geometry) , statistical physics , k omega turbulence model , classical mechanics , k epsilon turbulence model , magnetic field , mechanics , quantum mechanics , mathematics , geometry

It is known that symmetries inherent in the statistical theory of ideal (i.e., non‐dissipative) magnetohydrodynamic (MHD) turbulence are broken dynamically to produce coherent structure. Previous numerical investigations are extended to study decaying MHD turbulence. Here, we find that coherent structure also arises and persists in the presence of dissipation. Thus, the magnetic dynamo may be due to a dynamically broken symmetry that is inherent to MHD turbulence.

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