Fluctuations in a supersymmetric inflationary universe

Details Fluctuations in a supersymmetric inflationary universe Fluctuations in a supersymmetric inflationary universe

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phlb..120..331e&link_type=abstract

Physics Letters B, Volume 120, Issue 4-6, p. 331-334.

Physics

61

Scientific paper

It has been demonstrated that fluctuations in the new inflationary universe may be almost scale-invariant, but are unfortunately too large. We show that supersymmetric inflationary models allow the fluctuations to be smaller. In a toy supersymmetric model, the perturbations are O(10-4) is the Yukawa interactions are O(10-6μ/mp) where μ is the magnitude of the Higgs vacuum expectation value driving the inflation. It is therefore easier to have small fluctuations if inflation occurs close to the Planck epoch.

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