A no-scale inflationary model to fit them all

John Ellis; Marcos A.G. García; Dimitri V. Nanopoulos; Keith A. Olive

doi:10.1088/1475-7516/2014/08/044

A no-scale inflationary model to fit them all

John Ellis, Marcos A.G. García, Dimitri V. Nanopoulos, Keith A. Olive

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Abstract

The magnitude of B-mode polarization in the cosmic microwave background as measured by BICEP2 favours models of chaotic inflation with a quadratic m ² φ²/2 potential, whereas data from the Planck satellite favour a small value of the tensor-to-scalar perturbation ratio r that is highly consistent with the Starobinsky R +R² model. Reality may lie somewhere between these two scenarios. In this paper we propose a minimal two-field no-scale supergravity model that interpolates between quadratic and Starobinsky-like inflation as limiting cases, while retaining the successful prediction n_s ≃ 0.96.

Original language	English (US)
Article number	044
Journal	Journal of Cosmology and Astroparticle Physics
Volume	2014
Issue number	8
DOIs	https://doi.org/10.1088/1475-7516/2014/08/044
State	Published - Aug 1 2014

Keywords

gravitational waves and CMBR polarization
inflation
supersymmetry and cosmology

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10.1088/1475-7516/2014/08/044

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title = "A no-scale inflationary model to fit them all",

abstract = "The magnitude of B-mode polarization in the cosmic microwave background as measured by BICEP2 favours models of chaotic inflation with a quadratic m 2 φ2/2 potential, whereas data from the Planck satellite favour a small value of the tensor-to-scalar perturbation ratio r that is highly consistent with the Starobinsky R +R2 model. Reality may lie somewhere between these two scenarios. In this paper we propose a minimal two-field no-scale supergravity model that interpolates between quadratic and Starobinsky-like inflation as limiting cases, while retaining the successful prediction ns ≃ 0.96.",

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AU - Ellis, John

AU - García, Marcos A.G.

AU - Nanopoulos, Dimitri V.

AU - Olive, Keith A.

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Y1 - 2014/8/1

N2 - The magnitude of B-mode polarization in the cosmic microwave background as measured by BICEP2 favours models of chaotic inflation with a quadratic m 2 φ2/2 potential, whereas data from the Planck satellite favour a small value of the tensor-to-scalar perturbation ratio r that is highly consistent with the Starobinsky R +R2 model. Reality may lie somewhere between these two scenarios. In this paper we propose a minimal two-field no-scale supergravity model that interpolates between quadratic and Starobinsky-like inflation as limiting cases, while retaining the successful prediction ns ≃ 0.96.

AB - The magnitude of B-mode polarization in the cosmic microwave background as measured by BICEP2 favours models of chaotic inflation with a quadratic m 2 φ2/2 potential, whereas data from the Planck satellite favour a small value of the tensor-to-scalar perturbation ratio r that is highly consistent with the Starobinsky R +R2 model. Reality may lie somewhere between these two scenarios. In this paper we propose a minimal two-field no-scale supergravity model that interpolates between quadratic and Starobinsky-like inflation as limiting cases, while retaining the successful prediction ns ≃ 0.96.

KW - gravitational waves and CMBR polarization

KW - inflation

KW - supersymmetry and cosmology

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ER -

A no-scale inflationary model to fit them all

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