Magnetic resistivity and Hall currents effects on the stability of a self-gravitating plasma of varying density in variable magnetic field |
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Authors: | Ahsan Ali P K Bhatia |
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Institution: | (1) Department of Mathematics and Statistics, University of Jodhpur, Jodhpur, India |
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Abstract: | The effect of Hall currents have been studied on the instability of a stratified layer of a self-gravitating finitely conducting plasma of varying density. It is assumed that the plasma is permeated by a variable horizontal magnetic field stratified vertically. The stability analysis has been carried out for longitudinal mode of wave propagation. The solution has been obtained through integral equation approach. The dispersion relation has been derived and solved numerically. It is found that both the Hall currents and finite conductivity have a destabilizing influence on the growth rate of the unstable mode of disturbance. |
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