Thermal stability of a weakly magnetized rotating plasma
Carlo Nipoti, Lorenzo Posti (Bologna University)
TL;DR
This paper analyzes the thermal stability of weakly magnetized, rotating plasmas using linear perturbation theory, extending previous models to include rotation and magnetic effects relevant to galaxy and cluster atmospheres.
Contribution
It derives generalized dispersion relations and stability criteria for rotating, magnetized, stratified plasmas, advancing understanding beyond non-rotating or unmagnetized models.
Findings
Derived new stability criteria for rotating, magnetized plasmas.
Extended previous models to include effects of rotation and magnetic fields.
Discussed implications for galaxy and galaxy cluster atmospheres.
Abstract
The thermal stability of a weakly magnetized, rotating, stratified, optically thin plasma is studied by means of linear-perturbation analysis. We derive dispersion relations and criteria for stability against axisymmetric perturbations that generalize previous results on either non-rotating or unmagnetized fluids. The implications for the hot atmospheres of galaxies and galaxy clusters are discussed.
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