Non-linear electrostatic waves in pair-ion plasmas - National Centre ...
Non-linear electrostatic waves in pair-ion plasmas - National Centre ...
Non-linear electrostatic waves in pair-ion plasmas - National Centre ...
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<strong>Non</strong><strong>l<strong>in</strong>ear</strong> Electrostatic Waves <strong>in</strong> <strong>pair</strong>-<strong>ion</strong> Plasmas (contd.)Under the approximat<strong>ion</strong> of small k (long wave length), the +ve root i.e., the fastLangmuir wave gives the relat<strong>ion</strong>,Under the approximat<strong>ion</strong> of small k (long wave length) , the -ve root i.e., theslow Langmuir wave gives the relat<strong>ion</strong>,which is low frequency <strong>ion</strong> acoustic mode <strong>in</strong> <strong>pair</strong>-<strong>ion</strong> <strong>plasmas</strong>.15