paper

Solutions to the Quasi-flatness and Quasi-lambda Problems

arXiv:astro-ph/9811073 · doi:10.1016/S0370-2693(99)00008-8

Abstract

Big Bang models of the Universe predict rapid domination by curvature, a paradox known as the flatness problem. Solutions to this problem usually leave the Universe exactly flat for every practical purpose. Explaining a nearly but not exactly flat current Universe is a new problem, which we label the quasi-flatness problem. We show how theories incorporating time-varying coupling constants could drive the Universe to a late-time near-flat attractor. A similar problem may be posed with regards to the cosmological constant , the quasi-lambda problem, and we exhibit a solution to this problem as well.

9 pages, no figures. Minor changes corresponding to version to be published in Physics Letters B

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