Electron cyclotron resonance heating by strong monochromatic wave in nonuniform magnetic field
- Plasma Research Center, University of Tsukuba, Tsukuba-shi Ibaraki-ken 305 (Japan)
Numerical studies are made on dynamics of electrons under electron cyclotron resonance heating (ECRH) by a strong monochromatic wave in a nonuniform magnetic field. The response of the electrons is described in terms of gains in energy and magnetic moment. These expressions are employed to define a response function which connects the velocity distributions of electrons before and after heating in a wide range of conditions. The response function is applied to calculate the velocity distribution of cold electrons which stream up the magnetic slope and are heated at the resonance. This configuration simulates a possible scheme for controlling an inward flux of cold electrons in diverter regions of tori and in mirror ends by mirror reflection enhanced by ECRH. The velocity distribution shows wing-like structures which are not expected from diffusion equations.
- OSTI ID:
- 6922428
- Journal Information:
- Physics of Plasmas; (United States), Vol. 1:4; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ELECTRON CYCLOTRON-RESONANCE
PLASMA HEATING
ELECTRONS
DIFFUSION
ENERGY
MAGNETIC MIRRORS
MAGNETIC MOMENTS
MONOCHROMATIC RADIATION
PLASMA SIMULATION
RESPONSE FUNCTIONS
TRANSPORT THEORY
CYCLOTRON RESONANCE
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
HEATING
LEPTONS
OPEN PLASMA DEVICES
RADIATIONS
RESONANCE
SIMULATION
THERMONUCLEAR DEVICES
700350* - Plasma Production
Heating
Current Drive
& Interactions- (1992-)
700330 - Plasma Kinetics
Transport
& Impurities- (1992-)
700380 - Elementary & Classical Processes in Plasmas- (1992-)