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Double Langmuir frequency radiation due to transformation processes in turbulent plasma

Published online by Cambridge University Press:  06 November 2014

V. N. Pavlenko ,
V. G. Panchenko  and
N. A. Beloshenko
V. N. Pavlenko*
Affiliation:
Institute for Nuclear Research of Ukrainian Academy of Sciences, Prospect Nauki, 47, Kiev 03680, Ukraine
V. G. Panchenko
Affiliation:
Institute for Nuclear Research of Ukrainian Academy of Sciences, Prospect Nauki, 47, Kiev 03680, Ukraine
N. A. Beloshenko
Affiliation:
Institute for Nuclear Research of Ukrainian Academy of Sciences, Prospect Nauki, 47, Kiev 03680, Ukraine
*
†Email address for correspondence: vpanch@kinr.kiev.ua
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Abstract

We investigate the transformation process of longitudinal Langmuir wave into the transverse electromagnetic wave in turbulent plasma subjected to an upper hybrid pump. The case, when upper hybrid pump wave decays into daughter and ion – sound waves is considered. The transformation of the Langmuir wave into electromagnetic one is considered as the possible mechanism of energy radiation from the plasma. It is shown that the frequency of such radiation is chosen to be near double electron Langmuir frequency 2ωpe. These results give us the possibility to explain the nature of radiation from the laboratory and cosmic plasmas (particularly, from the solar crown).

Type
Research Article
Information
Journal of Plasma Physics , Volume 81 , Issue 2 , April 2015 , 905810207
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Copyright
Copyright © Cambridge University Press 2014 

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References

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