Density perturbations in the inflationary phase for Brans-Dicke cosmology

Details Density perturbations in the inflationary phase for Brans-Dicke cosmology Density perturbations in the inflationary phase for Brans-Dicke cosmology

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phla..139..119b&link_type=abstract

Physics Letters A, Volume 139, Issue 3-4, p. 119-120.

Physics

5

Scientific paper

It is shown that for Brans-Dicke theory, the inflationary phase is
exponentially unstable, when density perturbations are considered, in
contrast to general relativity, where Barrow showed the stability of the
de Sitter phase.

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