Fluctuations in a supersymmetric inflationary universe

John Ellis; D. V. Nanopoulos; K. A. Olive; K. Tamvakis

doi:10.1016/0370-2693(83)90456-2

Fluctuations in a supersymmetric inflationary universe

John Ellis, D. V. Nanopoulos, K. A. Olive, K. Tamvakis

Physics and Astronomy (Twin Cities)

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89 Scopus citations

Abstract

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^-6 μ m_p) 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.

Original language	English (US)
Pages (from-to)	331-334
Number of pages	4
Journal	Physics Letters B
Volume	120
Issue number	4-6
DOIs	https://doi.org/10.1016/0370-2693(83)90456-2
State	Published - Jan 13 1983

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abstract = "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(10-6 μ 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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AB - 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(10-6 μ 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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Fluctuations in a supersymmetric inflationary universe

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