Thermal-convective-instability of a stellar atmosphere in the presence of a nonlinear magnetic field |
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| Authors: | A A Abdullah |
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| Institution: | (1) Department of Mathematics, Umm Al-Qura University, Makkah, Saudi Arabia |
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| Abstract: | Thermal-convective-instability of a stellar atmosphere is investigated in the presences of a nonlinear magnetic field. A model proposed by Roberts (1981) in the context of neutron stars is used. The simultaneous effect of both nonlinear magnetic field and rotation is also considered. The criteria obtained for monotonic instability generalize the criterion derived by Defouw (1970) in the absence of magnetic field and rotation. |
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