Self-similar magnetic field penetration of a homogeneous collisionless plasma due to electron velocity advection
Journal Article
·
· Physics of Fluids B; (United States)
- Laboratory of Plasma Studies, Cornell University, Ithaca, New York 14853 (United States)
The velocity advection, {ital m}{sub {ital e}}(v{sub e}{center dot}{del}){bold v}{sub {bold e}}, terms in the momentum equation for electrons in a collisionless plasma are shown to introduce an effective resistivity on the currents drawn from a bounding cathode. This leads to nonlinear diffusive penetration of an externally driven magnetic field, which at time {ital t} and height {ital y} above the cathode, penetrates to a depth {delta} obeying the scaling {delta}{similar to}({ital t}/{ital y}){sup 1/3}.
- OSTI ID:
- 7205643
- Journal Information:
- Physics of Fluids B; (United States), Vol. 4:2; ISSN 0899-8221
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
COLLISIONLESS PLASMA
ADVECTION
MAGNETIC FIELDS
ANODES
CATHODES
DIFFUSION
ELECTRON DENSITY
FARADAY LAWS
HALL EFFECT
PLASMA SIMULATION
PLASMA SWITCHES
SCALING LAWS
WALL EFFECTS
ELECTRICAL EQUIPMENT
ELECTRODES
EQUIPMENT
MASS TRANSFER
PLASMA
SIMULATION
SWITCHES
700340* - Plasma Waves
Oscillations
& Instabilities- (1992-)
COLLISIONLESS PLASMA
ADVECTION
MAGNETIC FIELDS
ANODES
CATHODES
DIFFUSION
ELECTRON DENSITY
FARADAY LAWS
HALL EFFECT
PLASMA SIMULATION
PLASMA SWITCHES
SCALING LAWS
WALL EFFECTS
ELECTRICAL EQUIPMENT
ELECTRODES
EQUIPMENT
MASS TRANSFER
PLASMA
SIMULATION
SWITCHES
700340* - Plasma Waves
Oscillations
& Instabilities- (1992-)