Converging nonlinear resonance cones

Journal Article · Sat Sep 01 04:00:00 EDT 1979 · Phys. Fluids; (United States)

DOI:https://doi.org/10.1063/1.862806· OSTI ID:5919862

Wang, W S; Kuehl, H H

The theory of nonlinear plasma resonance cones due to a circular ring exciter is presented. The ring source excites a converging resonance cone which produces a maximum electric field at its focus where the strongest nonlinear effects occur. The nonlinearity is assumed to be due to the ponderomotive force. From a numerical integration of the fourth-order nonlinear partial differential equation, it is shown that the resonance cone trajectory is modified by the nonlinearities in a direction opposite to that caused by thermal effects, especially near and after the focus. Steepening of the electric field occurs near the cones and focal region, and the peak electric field on the cones and at the focus is enhanced due to the nonlinearity. The location of the focal point is shifted toward the exciter due to nonlinearities in contrast to the shift due to the thermal effects which is away from the exciter.

• Research Organization: University of Southern California, Los Angeles, California 90007
• OSTI ID: 5919862
• Journal Information: Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 22:9; ISSN PFLDA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
ANTENNAS
BOLTZMANN-VLASOV EQUATION
COLLISIONLESS PLASMA
DIFFERENTIAL EQUATIONS
DISPERSION RELATIONS
ELECTRIC FIELDS
ELECTRICAL EQUIPMENT
EQUATIONS
EQUIPMENT
FOURIER TRANSFORMATION
INTEGRAL TRANSFORMATIONS
MAGNETIC FIELDS
NONLINEAR PROBLEMS
NUMERICAL SOLUTION
PLASMA
PLASMA DIAGNOSTICS
PLASMA WAVES
POISSON EQUATION
RESONANCE
RINGS
TRANSFORMATIONS