Natural New Inflation in Broken Supergravity

Details Natural New Inflation in Broken Supergravity Natural New Inflation in Broken Supergravity

1996-08-19

arxiv.org/abs/hep-ph/9608359v2

Phys.Lett.B393:331-336,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, latex

Scientific paper

10.1016/S0370-2693(96)01638-3

We consider a natural new inflationary model in broken supergravity based on an R symmetry. The model predicts a concrete relation between the amplitude of primordial density fluctuations and the scale of supersymmetry breaking. The observed value of the density fluctuations is obtained for the gravitino mass of order the weak scale along with a power-law spectral index considerably less than one, which may be tested in future observations.

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