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2014

The Unity of Cosmological Attractors

Galante, Mario, Kallosh, Renata, Linde, Andrei et al.

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Recently, several broad classes of inflationary models have been discovered whose cosmological predictions are stable with respect to significant modifications of the inflaton potential.

Some classes of models are based on a non-minimal coupling to gravity.
These models, which we will call $\xi$-attractors, describe universal cosmological attractors (including Higgs inflation) and induced inflation models.
Another class describes conformal attractors (including Starobinsky inflation and T-models) and their generalization to $\alpha$-attractors.

The Unity of Cosmological Attractors · Around

Built on

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S. Ferrara, R. Kallosh, A. Linde and M. Porrati, “Minimal Supergravity Models of Inflation,” Phys. Rev. D 88
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R. Kallosh, A. Linde and D. Roest, “Superconformal Inflationary α \alpha -Attractors,” JHEP 1311
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P. A. R. Ade et al
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R. Kallosh, A. Linde and D. Roest, “A universal attractor for inflation at strong coupling,” Phys. Rev. Lett. 112
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G. F. Giudice and H. M. Lee, “Starobinsky-like inflation from induced gravity,” Phys. Lett. B 733
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Then

R. Kallosh, “More on Universal Superconformal Attractors,” Phys. Rev. D 89
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2014
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R. Kallosh, A. Linde and D. Roest, “Large field inflation and double α \alpha -attractors,” JHEP 1408
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R. Kallosh and A. Linde, “Universality Class in Conformal Inflation,” JCAP 1307
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V. Mukhanov, “Quantum Cosmological Perturbations: Predictions and Observations,” Eur. Phys. J. C 73
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