Phys. Rev. D 52, 4752–4753 (1995)Can the vacuum foam structure solve the flatness problem of a big bang universe?Received 29 December 1994; published in the issue dated 15 October 1995 It seems the vacuum foam structure of the very early universe, together with the traversable Lorentzian wormholes inherent in it, could provide a very large statistical entropy, which means that we may easily solve the flatness problem in a big bang universe without inflation. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.52.4752
DOI:
10.1103/PhysRevD.52.4752
PACS:
04.20.Dw, 04.62.+v
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