A Cyclic Model of the Universe

Details A Cyclic Model of the Universe A Cyclic Model of the Universe

2001-11-04

arxiv.org/abs/hep-th/0111030v2

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, 1 figure, revisions as published

Scientific paper

10.1126/science.1070462

We propose a cosmological model in which the universe undergoes an endless sequence of cosmic epochs each beginning with a `bang' and ending in a `crunch.' The temperature and density are finite at each transition from crunch to bang. Instead of having an inflationary epoch, each cycle includes a period of slow accelerated expansion (as recently observed) followed by slow contraction. The combination produces the homogeneity, flatness, density fluctuations and energy needed to begin the next cycle.

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