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arxiv 1812.02192 v2 pith:UEI4EWEQ submitted 2018-12-05 hep-th astro-ph.COhep-ph

A General Classification of Starobinsky-like Inflationary Avatars of SU(2,1)/SU(2) x U(1) No-Scale Supergravity

John Ellis , Dimitri V. Nanopoulos , Keith A. Olive , Sarunas Verner This is my paper
classification hep-th astro-ph.COhep-ph
keywords modelsno-scalestarobinskysupergravityavatarsdifferentgeneralmodel
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Measurements of the cosmic microwave background (CMB) favour models of inflation with a small tensor-to-scalar ratio r, as predicted by the Starobinsky R + R^2 model. It has been shown previously that various models based on no-scale supergravity with different forms of superpotential make predictions similar to those of the Starobinsky model. In this paper we present a unified and general treatment of Starobinsky avatars of no-scale supergravity, using the underlying non-compact SU(2,1)/SU(2) x U(1) symmetry to demonstrate equivalences between different models, exhibiting 6 specific equivalence classes.

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Cited by 2 Pith papers

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  1. Higgs boson mass and thermal wino dark matter from Starobinsky supergravity with the MSSM

    hep-ph 2026-07 conditional novelty 6.0

    Starobinsky supergravity coupled to the MSSM links the CMB inflationary scale to the Higgs boson mass (~125 GeV) and predicts thermal wino dark matter at ~3 TeV, testable at future colliders and direct detection experiments.

  2. Reheating in No-Scale Models of Inflation

    hep-ph 2026-06 unverdicted novelty 4.0

    Generalized no-scale models with R=2/(3α) for α≠1 or non-minimal gauge couplings allow unsuppressed inflaton decays, producing calculable reheating temperatures and (n_s,r) predictions.