A wide family of singularity-free cosmological models
L. Fernandez-Jambrina, L.M. Gonzalez-Romero
TL;DR
This paper introduces a broad class of non-singular cylindrical cosmological models with stiff fluid, providing conditions for geodesic completeness and expanding the landscape of singularity-free cosmologies.
Contribution
It derives a new family of non-singular cylindrical perfect fluid cosmologies depending on two functions, with a criterion for geodesic completeness.
Findings
Family of non-singular cylindrical models derived
Conditions for geodesic completeness established
Models depend on two independent functions
Abstract
In this paper a family of non-singular cylindrical perfect fluid cosmologies is derived. The equation of state corresponds to a stiff fluid. The family depends on two independent functions under very simple conditions. A sufficient condition for geodesic completeness is provided.
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