Excitation and conversion of electromagnetic waves in pulsar magnetospheres

We demonstrate that nonlinear decay of obliquely propagating Langmuir waves into Langmuir and Alfven waves (L --> L'+A) is possible in a one-dimensional, highly relativistic, streaming, pair plasma. Such a plasma may be in the magnetospheres of pulsars. It is shown that the characteristic fr...

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Bibliographic Details
Published in:arXiv.org 2008-03
Main Authors: Gogoberidze, G, Machabeli, G Z, Usov, V V
Format: Article
Language:English
Subjects:
Electromagnetic radiation
Langmuir waves
Magnetohydrodynamics
Pulsar magnetospheres
Pulsars
Radio emission
Wave propagation
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Summary:We demonstrate that nonlinear decay of obliquely propagating Langmuir waves into Langmuir and Alfven waves (L --> L'+A) is possible in a one-dimensional, highly relativistic, streaming, pair plasma. Such a plasma may be in the magnetospheres of pulsars. It is shown that the characteristic frequency of generated Alfven waves is much less than the frequency of Langmuir waves and may be consistent with the observational data on the radio emission of pulsars.
ISSN:2331-8422
DOI:10.48550/arxiv.0702195