A wide family of singularity-free cosmological models
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2002
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American Physical Society
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Abstract
In this paper a family of nonsingular 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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©2002 The American Physical Society.
The present work has been supported by Dirección General de Enseñanza Superior Project PB98-0772. The authors wish to thank F. J. Chinea, F. Navarro-Lérida, and M. J. Pareja for valuable discussions.