Nonlinear propagation of ion-cyclotron modes
Journal Article
·
· Phys. Fluids; (United States)
It is shown that the nonlinear interaction of large amplitude electrostatic ion-cyclotron oscillations with low-frequency perturbations causes a modulational instability. The most important cases of adiabatic density perturbations and low-frequency changes in the magnetic field strength are considered. The nonlinear equation which governs the asymptotic state of the modulationally unstable ion-cyclotron mode admits a soliton or soliton-like solution for the electric potential.
- Research Organization:
- Fachbereich Physik, Universitaet Essen, Federal Republic of Germany
- OSTI ID:
- 7096949
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 20:9; 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
DIFFERENTIAL EQUATIONS
DISPERSION RELATIONS
DISTURBANCES
EQUATIONS
HEATING
HIGH-FREQUENCY HEATING
ICR HEATING
INSTABILITY
ION WAVES
MAGNETIC FIELDS
MODULATION
NONLINEAR PROBLEMS
PLASMA HEATING
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
PLASMA WAVES
QUASI PARTICLES
SCHROEDINGER EQUATION
SOLITONS
TWO-DIMENSIONAL CALCULATIONS
WAVE EQUATIONS
WAVE PROPAGATION
WKB APPROXIMATION
700107* -- Fusion Energy-- Plasma Research-- Instabilities
700108 -- Fusion Energy-- Plasma Research-- Wave Phenomena
DIFFERENTIAL EQUATIONS
DISPERSION RELATIONS
DISTURBANCES
EQUATIONS
HEATING
HIGH-FREQUENCY HEATING
ICR HEATING
INSTABILITY
ION WAVES
MAGNETIC FIELDS
MODULATION
NONLINEAR PROBLEMS
PLASMA HEATING
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
PLASMA WAVES
QUASI PARTICLES
SCHROEDINGER EQUATION
SOLITONS
TWO-DIMENSIONAL CALCULATIONS
WAVE EQUATIONS
WAVE PROPAGATION
WKB APPROXIMATION