Birth of inflationary universes

Alexander Vilenkin
Phys. Rev. D 27, 2848 – Published 15 June 1983
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Abstract

A cosmological model is proposed in which the Universe is created by quantum tunneling from "nothing" into a de Sitter space. The tunneling is described by a de Sitter—Hawking—Moss instanton. After the tunneling, the model evolves along the lines of the inflationary scenario. It is argued that at any time there exist parts of the Universe which are still in the de Sitter phase, while other parts have already recollapsed. This model does not have a big-bang singularity and does not require any initial or boundary conditions.

  • Received 3 January 1983

DOI:http://dx.doi.org/10.1103/PhysRevD.27.2848

Authors & Affiliations

Alexander Vilenkin

  • Physics Department, Tufts University, Medford, Massachusetts 02155

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Issue

Vol. 27, Iss. 12 — 15 June 1983

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