Abstract

Thermal instability of a rotating plasma with finite Larmor radius and Hall effects is studied. When the instability sets in as stationary convection for the case of no rotation, finite Larmor radius effects are always stabilizing for x( = k2d2/π2) greater than two and for x less than two they have a stabilizing or destabilizing influence depending on whether N( = ν0/ν) is greater than or less than its critical value Ncrit. In the limit of vanishing Hall current and for stationary convection, the stabilizing effect of the Coriolis force is observed. The conditions for the nonexistence of overstability are investigated.

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