Numerical study of drift-Alfven waves in a sheared magnetic field
Journal Article
·
· Phys. Fluids; (United States)
OSTI ID:6092053
The coupled radial eigenmode equations for electromagnetic drift waves in a sheared magnetic field are solved numerically. In addition to the familiar drift eigenmodes, a different set of eigenmodes was found which is the analog of the sheared Alfven waves of local theory in a sheared magnetic field. The drift mode is mainly electrostatic, and the shear Alfven mode is mainly electromagnetic and closely related to the high-order tearing modes.
- Research Organization:
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830
- OSTI ID:
- 6092053
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 22:9; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107* -- Fusion Energy-- Plasma Research-- Instabilities
700108 -- Fusion Energy-- Plasma Research-- Wave Phenomena
ALFVEN WAVES
BETA RATIO
CLOSED PLASMA DEVICES
CONFIGURATION
DISPERSION RELATIONS
DRIFT INSTABILITY
EIGENVECTORS
FOURIER TRANSFORMATION
HYDROMAGNETIC WAVES
INSTABILITY
INTEGRAL TRANSFORMATIONS
MAGNETIC FIELDS
MATRICES
NUMERICAL SOLUTION
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA MICROINSTABILITIES
PLASMA WAVES
SHEAR
SLABS
TEARING INSTABILITY
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSFORMATIONS
WKB APPROXIMATION
700107* -- Fusion Energy-- Plasma Research-- Instabilities
700108 -- Fusion Energy-- Plasma Research-- Wave Phenomena
ALFVEN WAVES
BETA RATIO
CLOSED PLASMA DEVICES
CONFIGURATION
DISPERSION RELATIONS
DRIFT INSTABILITY
EIGENVECTORS
FOURIER TRANSFORMATION
HYDROMAGNETIC WAVES
INSTABILITY
INTEGRAL TRANSFORMATIONS
MAGNETIC FIELDS
MATRICES
NUMERICAL SOLUTION
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA MICROINSTABILITIES
PLASMA WAVES
SHEAR
SLABS
TEARING INSTABILITY
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSFORMATIONS
WKB APPROXIMATION