Extended inflation with induced gravity.

Details Extended inflation with induced gravity. Extended inflation with induced gravity.

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989eiwi.book.....a&link_type=abstract

Extended inflation with induced gravity., by Accetta, F. S.; Trester, J. J.. Yale Univ., New Haven, CT (USA). Center for Theore

Physics

Scientific paper

The authors consider a recently proposed extended model of inflation which improves upon the original inflation scenario by achieving a graceful exit from the false vacuum phase. In this paper extended inflation is generalized to include a potential V(φ) for the Brans-Dicke field φ. They find that whereas a graceful exit can still be had, the inclusion of a potential places constraints on the percolation timescale for exiting the inflationary phase. Additional constraints on V(φ) and the false vacuum energy density from density and gravitational wave perturbations are discussed. As a result, this model generically leads to multiple episodes of inflation. The authors discuss the significance these multiple episodes of inflation may have on the formation of large-scale structure and the production of voids.

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