Hybrid Inflation in Supergravity

Details Hybrid Inflation in Supergravity Hybrid Inflation in Supergravity

1997-03-02

arxiv.org/abs/hep-ph/9703209v2

Phys.Rev.D56:1841-1844,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, few comments are added

Scientific paper

10.1103/PhysRevD.56.R1841

We propose a simple realization of hybrid inflation in supergravity, which does not require any unnaturally small parameters. Inflation in this scenario is relatively short, and inflationary density perturbations fall down on large scales, which corresponds to a blue spectrum with n > 1. Superheavy strings which are formed after inflation in this scenario produce density perturbations of comparable magnitude. In this mixed perturbation (MP) model one may have microwave anisotropy produced by strings and galaxy formation due to inflationary perturbations.

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