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arXiv · 1405.0271

A No-Scale Inflationary Model to Fit Them All

John Ellis·Marcos A. G. Garcia·Dimitri V. Nanopoulos·Keith A. Olive
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Abstract

The magnitude of B-mode polarization in the cosmic microwave background as measured by BICEP2 favours models of chaotic inflation with a quadratic $m^2 ϕ^2/2$ 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 $R + R^2$ 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 $n_s \simeq 0.96$.

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John Ellis, Marcos A. G. Garcia, Dimitri V. Nanopoulos, Keith A. Olive. 2014-08-22. A No-Scale Inflationary Model to Fit Them All. https://doi.org/10.1088/1475-7516%2F2014%2F08%2F044

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