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DOI http://dx.doi.org/10.1063/1.871046
Title Energy partitions in saturated compressible electron magnetoturbulence
Creator/Author Fernandez, E. ; Terry, P.W. ; Newman, D.E. [Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States)]
Publication Date1995 Nov 01
OSTI IdentifierOSTI ID: 124763
DOE Contract NumberFG02-89ER53291
Other Number(s)Journal ID: PHPAEN; ISSN 1070-664X; TRN: TRN: 9521M0148
Resource TypeJournal Article
Resource RelationJournal Name: Physics of Plasmas; Journal Volume: 2; Journal Issue: 11; Other Information: PBD: Nov 1995
Subject70 PLASMA PHYSICS AND FUSION; MAGNETOHYDRODYNAMICS; TURBULENCE; COMPRESSIBLE FLOW; ELECTRON DENSITY; ELECTRON GAS; MAGNETIC FIELDS; OHM LAW; PLASMA MICROINSTABILITIES
Description/AbstractThe two-dimensional stationary turbulence of magnetic field and density fluctuations coupled through the compressibility of parallel electron motion is shown to possess three distinct stationary states under driving of the magnetic field by the time-dependent thermal force and damping by resistivity and collisional diffusivity. The three states are the equipartitioned magnetic state that occurs when short-wavelength fluctuations interact principally through the long-wavelength magnetic field fluctuation, a magnetic energy-dominated state induced by the decorrelation of nonlinear interactions by strong diamagnetic rotation, and an internal energy-dominated state possible when the dissipation of the density is weaker than the resistive diffusion. The equipartitioned and internal energy-dominated states can occur for identical parameters, making the driven/damped turbulent steady state nonunique. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.
Country of PublicationUnited States
LanguageEnglish
FormatMedium: X; Size: pp. 4204-4215
System Entry Date2008 Feb 04

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