Summary
Using a modified Chew-Goldberger-Low equation (C.G.L. equation), the problem of gravitational instability of a plasma has been studied. The dispersion relation has been obtained for the case of wave propagation along the magnetic field. It is found that Jeans’ criterion still determines the gravitational instability.
Riassunto
Per mezzo dell’equazione di Chew-Goldberger-Low modificata si è studiato il problema dell’instabilità gravitazionale di un plasma. Si è ottenuta la relazione di dispersione per il caso della propagazione di un’onda lungo il campo magnetico. Si trova che il criterio di Jeans determina anche l’instabilità gravitazionale.
Реэюме
Испольэуя модифицированное уравнение Чу-Гольдбергера-Лоу (С.G.L. уравнение), была исследована проблема гравитационной нестабильности плаэмы. Было получено дисперсионное соотнощение для случая распространения волны вдоль магнитного поля. Обнаружено, что критерий Джинса попрежнему определяет гравитационную нестабильность.
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References
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Bhatia, P.K. Gravitational instability of a plasma. Nuovo Cimento B (1965-1970) 56, 23–28 (1968). https://doi.org/10.1007/BF02711949
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DOI: https://doi.org/10.1007/BF02711949