Convective stability of global thermodynamic equilibrium

TL;DR

This paper investigates the convective stability of fluids in global thermodynamic equilibrium under rotation or acceleration, finding stability across various equations of state, which supports the physical relevance of non-static equilibrium states.

Contribution

It demonstrates that fluids in global thermodynamic equilibrium with rotation or acceleration are stable against convection for multiple equations of state, highlighting the physical significance of non-static equilibrium states.

Findings

Systems are stable against convection under various equations of state.

Non-static global equilibrium states are physically relevant.

Results applicable to other media for stability analysis.

Abstract

We apply the convection stability criterion to a fluid in global thermodynamic equilibrium with a rigid rotation or with a constant acceleration along the streamlines. Different equations of state describing strongly interacting matter are considered and for each of them the analysed system is found to be stable with respect to convection. This finding brings new evidence for physical relevance of non-static global equilibrium states. Our results can be directly used for other similar media to check their convective stability.