Title

Magnetohydrodynamic turbulence: Generalized formulation and extension to compressible cases

Authors

Authors

B. K. Shivamoggi

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

Abbreviated Journal Title

Ann. Phys.

Keywords

turbulence theory; MAGNETIC-FIELD; HYDROMAGNETIC TURBULENCE; MOLECULAR CLOUDS; DISSIPATION; SPECTRUM; RANGE; LAWS; Physics, Multidisciplinary

Abstract

A general framework that incorporates the Iroshnikov-Kraichnan (IK) and Goldreich-Sridhar (GS) phenomenalogies of magnetohydrodynamic (MHD) turbulence is developed. This affords a clarification of the regimes of validity of the IK and GS models and hence help resolve some controversies on this aspect. This general formulation appears to have a certain robustness as revealed here by its form invariance with respect to inclusion of compressible effects. Generalizations of the IK and GS spectra to compressible MHD turbulence are given. These two branches are shown to merge with the MHD shockwave spectrum, as to be expected, in the infinite compressibility limit. (C) 2008 Elsevier Inc. All rights reserved.

Journal Title

Annals of Physics

Volume

323

Issue/Number

6

Publication Date

1-1-2008

Document Type

Article

Language

English

First Page

1295

Last Page

1303

WOS Identifier

WOS:000256634800001

ISSN

0003-4916

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