On the origin of type III fundamental |
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Authors: | A B Eremin V V Zaitsev |
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Institution: | (1) Radiophysical Research Institute, Gorky, U.S.S.R.;(2) Institute of Applied Physics, USSR Academy of Science, Gorky, U.S.S.R. |
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Abstract: | A two-component scheme for the generation of type III fundamental radiation is proposed. The first component of the fundamental arises at a plasma level
L
t
because of the Rayleigh scattering of the plasma waves into electromagnetic radiation. The other component arises at
L
t
/2 because of the decay of the first component into plasma waves and the subsequent rescattering of the plasma waves into electromagnetic radiation
t
2(
t
/2). By its properties (location, directivity, polarization) the second component is essentially the same as the second harmonic radiation produced by a stream of fast electrons at
L
(
t
/2). This scheme is used to solve the main problems (localization and directivity of the source, polarization of type III fundamental) of the harmonic theory of type III solar bursts. |
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Keywords: | |
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