Inflation in the presence of a non-minimal coupling

Details Inflation in the presence of a non-minimal coupling Inflation in the presence of a non-minimal coupling

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phlb..275..264b&link_type=abstract

Physics Letters B, Volume 275, Issue 3-4, p. 264-272.

Physics

14

Scientific paper

The qualitative analysis of a Robertson-Walker geometry non-minimally coupled to a scalar field is summarized. It is claimed that a divergenceless effective energy-momentum tensor should be used. In this case, the conformal coupling (ξ=1/6) corresponds to the minimum value of the x-coordinate of a singular line in phase space. To analyse the generality of the occurrence of inflation we calculate the measure of the set of the initial conditions of the solutions leading to a final dust state. We conclude that there is inflation for a wide range of values of ξ.

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