Prescription for successful extended inflation

Details Prescription for successful extended inflation Prescription for successful extended inflation

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phlb..231..231l&link_type=abstract

Physics Letters B, Volume 231, Issue 3, p. 231-236.

Physics

201

Scientific paper

Extended inflation is a new approach to inflationary cosmology based on models closely related to Brans-Dicke theory; e.g., certain induced gravity, supergravity, and superstring models. In each of these theories, the effective gravitational constant is a function of some scalar field, ø, which varies with time during the inflationary phase transition. We show that a model consistent with astrophysical and cosmological bounds must include a non-trivial potential for ø and the Brans-Dicke parameter, b, must lie in the range 1.5

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