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Effect of finite Larmor radius on thermal instability of a plasma

Влияние конечного ларморовского радиуса на термическую неустойчивость плазмы

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Il Nuovo Cimento B (1971-1996)

Summary

The thermal instability of a plasma in the presence of a transverse magnetic field is studied to include the effects of finiteness of the ion Larmor radius. The finite Larmor radius is found to have a stabilizing influence for the stationary convection. Also, for the case of over-stability, the conditions for its nonexistence are investigated.

Riassunto

Si studia l'instabilità termica di un plasma in presenza di un campo magnetico trasversale per introdurre gli effetti del raggio finito di Larmor degli ioni. Si trova che il raggio finito di Larmor ha un'influenza stabilizzante sulla convezione stazionaria. Inoltre, per il caso di sovrastabilità, si esaminano le condizioni perché essa non abbia luogo.

Резюме

Исследуется термическая неустойчивость плазмы при наличии поперечного магнитного поля, чтобы включить влияние конечности ионного ларморовского радиуса. Получается, что конечный ларморовский радиус оказывает стабилизирующее влияние на стационарную конвекцию. В случае сверхустойчивости рассматриваются также условия, при которых сверхустойчивости не существует.

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References

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Sharma, R.C. Effect of finite Larmor radius on thermal instability of a plasma. Nuovo Cim B 20, 303–308 (1974). https://doi.org/10.1007/BF02721570

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  • DOI: https://doi.org/10.1007/BF02721570

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