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Plasma maser theory of the extraordinary mode in the presence of Langmuir turbulence

Published online by Cambridge University Press:  13 March 2009

S. N. Sarma ,
K. K. Sarma  and
M. Nambu
S. N. Sarma
Affiliation:
M. C. College, Barpeta 781 301, Assam, India
K. K. Sarma
Affiliation:
M. C. College, Barpeta 781 301, Assam, India
M. Nambu
Affiliation:
College of General Education, Kyushu University, Ropponmatsu, Fukuoka 810, Japan
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Abstract

The emission of extraordinary mode radiation in a plasma with Langmuir turbulence driven by an electron beam is considered. The process of emission considered in this paper is the plasma maser effect, which is essentially an energy up-conversion process. The energy necessary for the growth of the extraordinary mode is derived from the Langmuir turbulence. The nonlinear dispersion relation of the extraordinary mode in the presence of Langmuir turbulence is obtained and its growth rate calculated. The scope of application of the results to space-plasma observation is then stressed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 46 , Issue 2 , October 1991 , pp. 331 - 346
Copyright
Copyright © Cambridge University Press 1991

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