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2013

Superconformal generalizations of the Starobinsky model

Kallosh, Renata, Linde, Andrei

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We find a way to represent the Starobinsky model in terms of a simple conformally invariant theory with spontaneous symmetry breaking.

We also present a superconformal theory, which, upon spontaneous breaking of the superconformal symmetry, provides a consistent supergravity generalization of the Starobinsky model.

Superconformal generalizations of the Starobinsky model · Around

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B. Whitt, “Fourth Order Gravity as General Relativity Plus Matter,” Phys. Lett. B 145
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S. Cecotti, “Higher Derivative Supergravity Is Equivalent To Standard Supergravity Coupled To Matter. 1.,” Phys. Lett. B 190
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D. S. Salopek, J. R. Bond and J. M. Bardeen, Designing density fluctuation spectra in inflation
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R. Kallosh, L. Kofman, A. D. Linde and A. Van Proeyen, “Superconformal symmetry, supergravity and cosmology,” Class. Quant. Grav. 17
2004
Earlier work this paper cites.

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A. Linde, M. Noorbala and A. Westphal, “Observational consequences of chaotic inflation with nonminimal coupling to gravity,” JCAP 1103

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J. Ellis, D. V. Nanopoulos and K. A. Olive, “A No-Scale Supergravity Realization of the Starobinsky Model,” arXiv:1305.1247 [hep-th]

Cited in the paper.

R. Kallosh and A. Linde, “Superconformal Generalization of the Chaotic Inflation Model λ 4 ϕ 4 − ξ 2 ϕ 2 R {\lambda\over 4}\phi^{4}-{\xi\over 2}\phi^{2}R ,” arXiv:1306.3211 [hep-th]

Cited in the paper.

2013

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