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Thermal corrections on electron cyclotron wave damping and transmission in a hot magnetoplasma revisited

M Bornatici, F Engelmann2005年Plasma Physics and Controlled FusionIF 2.2出版社

It is shown by calculating the wave transmission coefficient T directly from the WKB absorption coefficient α, for the fundamental ordinary and the second harmonic extraordinary electron cyclotron wave modes propagating perpendicular to the magnetic field in a weakly relativistic magnetoplasma, that the thermal corrections present in α do not affect the functional dependence of T (which in fact, as has been suggested earlier, is also true for non-adiabatic effects like wave reflection, which cannot be treated by a WKB approach). This result can readily be generalized to all harmonic modes except for the fundamental extraordinary wave mode in the so called finite-density regime. For the latter case, general analytical expressions are obtained in the WKB approximation for both α and T.

日本語訳

基本波および第二高調波の電子サイクロトロン波モードが弱相対論的磁化プラズマ中で磁場に垂直に伝播する場合について、WKB吸収係数αから直接透過係数Tを計算することにより、αに含まれる熱的補正がTの関数依存性に影響を与えないことが示される(このことは、実際、先に示唆されたように、WKBでは扱えない波動反射のような非断熱効果についても成り立つ)。この結果は、いわゆる有限密度領域における基本波モードを除くすべての高調波モードに容易に一般化できる。後者の場合については、WKB近似においてαとTの両方に対する一般的な解析式が得られる。

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Magnetized plasmaCyclotron waveElectron cyclotron wave
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