Collapse of simple harmonic universe

Details Collapse of simple harmonic universe Collapse of simple harmonic universe

2011-10-18

arxiv.org/abs/1110.4096v4

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 4 figures; v2: Discussion of tunneling from nothing is expanded into a separate section; some references added; v3:

Scientific paper

In a recent paper Graham et al constructed oscillating and static universe
models which are stable with respect to all classical perturbations. Here we
show that such universes are quantum-mechanically unstable and can collapse by
quantum tunneling to zero radius. We also present instantons describing
nucleation of oscillating and static universes from nothing.

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