General Relativistic Cosmology with No Beginning of Time

Details General Relativistic Cosmology with No Beginning of Time General Relativistic Cosmology with No Beginning of Time

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...537..533f&link_type=abstract

The Astrophysical Journal, Volume 537, Issue 2, pp. 533-536.

Astronomy and Astrophysics

Astronomy

2

Cosmology: Theory, Relativity

Scientific paper

We find that general relativity can be naturally free of cosmological singularities. Several nonsingular models are currently available that either assume ad hoc matter contents or are nonsingular only over a sector of solution space of zero measure or depart drastically from general relativity at high energies. After much uncertainty over whether cosmological inflation could help solve the initial-singularity problem, the prevailing belief today is that general relativistic cosmology, with inflation or without, is endemically singular. Here a homogeneous and isotropic inflationary cosmology is worked out that is naturally free of singularities, despite the fact that it uses only classical general relativity and assumes only the most generic inflationary matter contents.

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