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Title:
The development of irregularities in a single bubble inflationary universe
Authors:
Hawking, S. W.
Affiliation:
AA(University of Cambridge, DAMTP, Silver Street, Cambridge, UK)
Publication:
Physics Letters B, Volume 115, Issue 4, p. 295-297.
Publication Date:
09/1982
Origin:
ELSEVIER
DOI:
10.1016/0370-2693(82)90373-2
Bibliographic Code:
1982PhLB..115..295H

Abstract

The horizon, flatness and monopole problems can be solved if the universe underwent an exponentially expanding stage which ended with a Higgs scalar field running slowly down an effective potential. In the downhill phase irregularities would develop in the scalar field. These would lead to fluctuations in the rate of expansions which would the have right spectrum to account for the existence of galaxies. However the amplitude would be too high to be consistent with observations of the isotropy of the microwave background unless the effective coupling constant of the Higgs scalar was very small.
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