Perfect fluids from high power sigma-models
Radu Slobodeanu
TL;DR
This paper explores how solutions of a high-power sigma-model relate to perfect fluids with stiff matter equations, extending the geometric understanding of barotropic fluids.
Contribution
It introduces a differential geometric framework linking sextic sigma-model solutions to perfect fluids, generalizing previous models to barotropic cases.
Findings
Solutions correspond to perfect fluids with stiff matter equations
Extended geometric analysis to general barotropic fluids
Provides a new perspective on fluid-model correspondence
Abstract
Certain solutions of a sextic sigma-model Lagrangian reminiscent of Skyrme model correspond to perfect fluids with stiff matter equation of state. We analyse from a differential geometric perspective this correspondence extended to general barotropic fluids.
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