صندلی اداری

THERMAL-CONVECTIVE-INSTABILITY OF SOME ASTROPHYSICAL SYSTEMS

A.A. Abdullah

Abstract


Thermal-convective-instability of some astrophysical systems has been considered in the presence of a non-linear, vertical magnetic field. A non-linear relation between the magnetic field and the magnetic induction proposed by P. H. Roberts (1981) in the context of neutron stars has been used. The dispersion relations have been obtained. The criteria obtained for monotonic instability generalize the criterion derived for thermal-convective-instability.

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