  A nonlinear effect, RF (radio frequency) condensation, can be used to
facilitate RF stabilization of magnetic islands. Previously studied
semi-analytical models for RF condensation are suited mainly for broad
deposition profiles and are unable to handle power depositions that are
localized in the interior of a magnetic island. Here, a model is developed that
can handle both localized profiles and broad profiles. This allows a comparison
of RF condensation for narrow vs. broad deposition profiles, and it allows a
study of the dependence of RF condensation of localized deposition profiles on
key parameters.
