What question did this study set out to answer?

To construct a cosmological inflation model within no-scale supergravity that reproduces the Starobinsky inflation scenario.

September 9, 2013Physical Review LettersOpen Access

No-Scale Supergravity Realization of the Starobinsky Model of Inflation

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To construct a cosmological inflation model within no-scale supergravity that reproduces the Starobinsky inflation scenario.
Formulated an inflation model utilizing a no-scale supergravity sector characterized by an SU(2,1)/SU(2)×U(1) Kähler potential and a single modulus field T.
Introduced an inflaton superfield described by a Wess-Zumino superpotential with parameters μ and λ while holding the modulus field fixed.
Derived scalar spectral index ns and tensor-to-scalar ratio r values that conform to cosmological data from the Planck satellite when λ ≈ μ/(3MP).
Demonstrated that imposing the exact parameter relation λ = μ/(3MP) precisely generates the potential of the R + R² Starobinsky inflation model.

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Implication

Theoretical analysis demonstrates Starobinsky inflation in no-scale supergravity, indicating consistency with Planck satellite cosmological measurements.

Cite This Study

Ellis et al. (2013) studied this question.

synapsesocial.com/papers/6a12c6a5c031bb6829a747ba https://doi.org/10.1103/physrevlett.111.111301

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Implication

Theoretical analysis demonstrates Starobinsky inflation in no-scale supergravity, indicating consistency with Planck satellite cosmological measurements.

No-Scale Supergravity Realization of the Starobinsky Model of Inflation

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Discussion

Implication

Cite This Study

No-Scale Supergravity Realization of the Starobinsky Model of Inflation

Key Points

Discussion

Implication

Cite This Study

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