A Phenomenological Model for the Early Universe

Details A Phenomenological Model for the Early Universe A Phenomenological Model for the Early Universe

2009-04-15

arxiv.org/abs/0904.2368v2

Phys.Rev.D80:083512,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

33 pages, 12 figures; revised for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.80.083512

We consider the description of cosmological dynamics from the onset of inflation by a perfect fluid whose parameters must be consistent with the strength of the enhanced quantum loop effects that can arise during inflation. The source of these effects must be non-local and a simple incarnation of it is studied both analytically and numerically. The resulting evolution stops inflation in a calculable amount of time and leads to an oscillatory universe with a vanishing mean value for the curvature scalar and an oscillation frequency which we compute.

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