Embedding R+R2 inflation in supergravity

Abstract

We find the natural embedding of the (R+R2) inflationary model into the recently constructed F(R) supergravity. It gives a simple and viable realization of chaotic inflation in supergravity. The only requirement for a slow-roll inflation is the existence of the R3 term with an anomalously large coefficient in Taylor expansion of the F(R) function.

Original language	English
Article number	063512
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	83
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.83.063512
Publication status	Published - 11 Mar 2011
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevD.83.063512

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Ketov, S. V., & Starobinsky, A. A. (2011). Embedding R+R2 inflation in supergravity. Physical Review D - Particles, Fields, Gravitation and Cosmology, 83(6), [063512]. https://doi.org/10.1103/PhysRevD.83.063512

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