On the existence of singularity-free solutions in quartic gravity

Details On the existence of singularity-free solutions in quartic gravity On the existence of singularity-free solutions in quartic gravity

1994-01-20

arxiv.org/abs/gr-qc/9401023v1

Phys.Lett. B326 (1994) 57-61

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, LATEX, uses epsf.tex macro, (1 figure included in uuencode+compress EPSF form), IOA-296

Scientific paper

10.1016/0370-2693(94)91192-4

We study a general field theory of a scalar field coupled to gravitation
through a quadratic Gauss-Bonnet term $\xi({\phi})$$R_{GB}^2$. We show that,
under mild assumptions about the function $\xi(\phi)$, the classical solutions
in a spatially flat FRW background include singularity - free solutions.

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