Self modulation of large-amlitude Langmuir-waves

R Bingham, U de Angelis, W Mori, PK Shukla

Research output: Contribution to journalArticle

5 Citations (Scopus)


The authors analyse the self-modulation of large amplitude Langmuir waves due to weak relativistic corrections to the plasma frequency and also to the nonlinear coupling of the wave with ion quasi-modes. It is shown that the wave is unstable to long wavelength perturbations with the instability occurring in the kinetic regime where (me/mi)(Ti/Te) equivalent to k2 lambda 2DE which is different to the quasi-static or hydrodynamic regimes.
Original languageEnglish
Pages (from-to)1527-1531
Number of pages5
JournalPlasma Physics and Controlled Fusion
Issue number10B
Publication statusPublished - 1987


  • Langmuir-waves
  • self modulation
  • large amplitude Langmuir-waves


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