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Nonlinear Amplification and Decay of Phase-mixed Waves in Compressing Plasma

Description: Through particle-in-cell simulations, we show that plasma waves carrying trapped electrons can be amplified manyfold via compressing plasma perpendicularly to the wave vector. These simulations are the first ab initio demonstration of the conservation of nonlinear action for such waves, which contains a term independent of the field amplitude. In agreement with the theory, the maximum of amplification gain is determined by the total initial energy of the trapped-particle average motion but otheā€¦ more
Date: September 25, 2012
Creator: Schmit, Paul F.; Dodin, I. Y.; Rocks, J. & Fisch, N. J.
Partner: UNT Libraries Government Documents Department
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