Inflation in a shear- or curvature-dominated universe

Details Inflation in a shear- or curvature-dominated universe Inflation in a shear- or curvature-dominated universe

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phlb..128..295s&link_type=abstract

Physics Letters B, Volume 128, Issue 5, p. 295-298.

Physics

61

Scientific paper

We show that new inflation occurs even if the universe is shear- or (negative) curvature-dominated when the phase transition begins. In such situations the size of a causally coherent region, after inflation, after inflation, is only slighty smaller (by powers, but not by exponential factors) than the usual result. The creation and evolution of density perturbations is unaffected. This result is in marked contrast to ``old'' inflation, where shear- or curvature-domination could quench inflation.

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