Thermodynamic perfect fluid spheres admitting an orthogonal flat synchronization
Salvador Mengual, Joan Josep Ferrando
TL;DR
This paper investigates spherically symmetric perfect fluid solutions with flat synchronization, interpreting them thermodynamically and examining ideal gas conditions to assess their physical viability.
Contribution
It provides a detailed analysis of the thermodynamic interpretation of these solutions and tests their physical realism under ideal gas assumptions.
Findings
Identification of conditions for local thermal equilibrium.
Verification of physical plausibility for specific solutions.
Analysis of the ideal gas sonic condition in this context.
Abstract
We analyze the interpretation of the spherically symmetric perfect fluid solutions that admit a flat synchronization orthogonal to the fluid flow as a thermodynamic perfect fluid in local thermal equilibrium. The ideal gas sonic condition is examined for this family of metrics, and the macroscopic conditions for physical reality are accurately tested for some specific solutions.
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