What question did this study set out to answer?

Clarify the supersymmetric extension of R + R² gravity within the old minimal formulation of supergravity and establish the required field content for cosmological applications.

November 1, 2013Journal of High Energy PhysicsOpen Access

On the supersymmetric completion of R + R 2 gravity and cosmology

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Clarify the supersymmetric extension of R + R² gravity within the old minimal formulation of supergravity and establish the required field content for cosmological applications.
Analyzed the dual standard supergravity action corresponding to higher-derivative R + R² gravity using the old minimal formulation.
Evaluated the chiral multiplet structure, superpotential mass parameters, and Kähler potential configurations governing the dual theory.
Demonstrated that the dual standard supergravity theory strictly requires two massive chiral multiplets (the inflaton and the goldstino) in a model-independent manner.
Showed that any theoretical construction containing only a single chiral multiplet fails to serve as a valid supersymmetric completion of R + R² gravity.
Determined that the supergravity interactions are governed by a superpotential mass term alongside an arbitrary Kähler potential for the goldstino multiplet.

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Implication

Theoretical analysis reveals the necessity of two massive chiral multiplets in old minimal supergravity duals of R + R² gravity, indicating that single-multiplet models are insufficient.

Cite This Study

Ferrara et al. (2013) studied this question.

synapsesocial.com/papers/6a12c6a5c031bb6829a747b8 https://doi.org/10.1007/jhep11(2013)134

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Implication

Theoretical analysis reveals the necessity of two massive chiral multiplets in old minimal supergravity duals of R + R² gravity, indicating that single-multiplet models are insufficient.

On the supersymmetric completion of R + R 2 gravity and cosmology

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Discussion

Implication

Cite This Study

On the supersymmetric completion of R + R 2 gravity and cosmology

Key Points

Discussion

Implication

Cite This Study

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