Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1994-06-21
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
TeX pages 13, IUCAA-14/94
Scientific paper
We prove that for an orthogonal spacetime metric separable in space and time
in comoving coordinates, the requirements of perfect fluid and non-singularity
single out the unique family of singularity free cosmological models. Further
homogeneous models could only be Bianchi I or FLRW while inhomogeneous ones can
be with or without a singularity.
Dadhich Naresh
Patel L. K.
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