Evolution of nonlinear waves in compressing plasma

P. F. Schmit, I. Y. Dodin, N. J. Fisch

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Through particle-in-cell simulations, the evolution of nonlinear plasma waves is examined in one-dimensional collisionless plasma undergoing mechanical compression. Unlike linear waves, whose wavelength decreases proportionally to the system length L(t), nonlinear waves, such as solitary electron holes, conserve their characteristic size during slow compression. This leads to a substantially stronger adiabatic amplification as well as rapid collisionless damping when L approaches . On the other hand, cessation of compression halts the wave evolution, yielding a stable mode.

Original languageEnglish (US)
Article number042103
JournalPhysics of Plasmas
Volume18
Issue number4
DOIs
StatePublished - Apr 1 2011

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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