A Cosmological Theory without Singularities

Details A Cosmological Theory without Singularities A Cosmological Theory without Singularities

1993-03-01

arxiv.org/abs/gr-qc/9303001v1

Phys.Rev. D48 (1993) 1629-1642

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

25 pages, 11 figures (available as hard copies from the authors), uses phyzzx, BROWN-HET-891

Scientific paper

10.1103/PhysRevD.48.1629

A theory of gravitation is constructed in which all homogeneous and isotropic solutions are nonsingular, and in which all curvature invariants are bounded. All solutions for which curvature invariants approach their limiting values approach de Sitter space. The action for this theory is obtained by a higher derivative modification of Einstein's theory. We expect that our model can easily be generalized to solve the singularity problem also for anisotropic cosmologies.

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