Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
29 (1986), S. 1608-1619
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Fast magnetosonic wave propagation in a cylindrical tokamak model is studied using a parabolic approximation method in which poloidal variations of the wave field are considered weak in comparison to the radial variations. Diffraction and wave interference effects, which are ignored by ray tracing methods, are included self-consistently using the parabolic method since continuous solutions for the wave electromagnetic fields are computed directly from an approximate form of the wave equation. Numerical results are presented which illustrate the cylindrical convergence of the launched waves into a diffraction-limited focal spot on the cyclotron absorption layer near the magnetic axis for a wide range of plasma confinement parameters.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.865677
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