Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Optical Satellites of Langmuir Turbulence
Yo MizutaAkkio Ohno
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1979 Volume 46 Issue 4 Pages 1315-1323

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Abstract
Atomic spectrum of light emitted by the three-level system of Baranger and Mozer, in an unmagnetized, singly-ionized, homogeneous and stationary turbulent plasma, is calculated on the basis of the Bourret approximation. One-dimensional envelope-soliton-gas is adopted as a model for the fluctuation of the complex amplitude E0(t) of the oscillating local electric field, which is due to Langmuir waves coupled nonlinearly with ion acoustic waves. Characteristic quantities of this model are the average inverse of the soliton width ⟨B⟩ and the soliton density \barn. It is also shown that the variance of E0(t) is proportional to \barn·⟨B⟩, and the correlation time of E0(t) behaves like ⟨B−2 when ⟨B⟩→∞, on the other hand, like ⟨B−1 when ⟨B⟩→0.
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