The efficiency of Raman amplification in the wavebreaking regime

Matthew R. Edwards, Zeev Toroker, Julia M. Mikhailova, Nathaniel J. Fisch

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32 Scopus citations

Abstract

We compare previous analytic predictions, Vlasov-Maxwell simulations, and particle-in-cell results with a new set of comprehensive one and two dimensional particle-in-cell simulations in an effort to clarify apparent discrepancies between the predictions of different models for the efficiency of Raman amplification in the wavebreaking regime. We find reasonable agreement between our particle-in-cell simulations and previous results from Vlasov-Maxwell simulations and analytic work, suggesting a monotonic decrease in conversion efficiency for increased pump intensities past the wavebreaking threshold.

Original languageEnglish (US)
Article number074501
JournalPhysics of Plasmas
Volume22
Issue number7
DOIs
StatePublished - Jul 1 2015

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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