Built on

E. Cremmer, J. Scherk and S. Ferrara, “SU(4) Invariant Supergravity Theory,” Phys. Lett. B 74
1978
Earlier work this paper cites.
A. S. Goncharov and A. D. Linde, “Chaotic Inflation Of The Universe In Supergravity,” Sov. Phys. JETP 59
1984
Earlier work this paper cites.
M. Kawasaki, M. Yamaguchi and T. Yanagida, “Natural chaotic inflation in supergravity,” Phys. Rev. Lett. 85
2000
Earlier work this paper cites.
M. Gomez-Reino and C. A. Scrucca, “Locally stable non-supersymmetric Minkowski vacua in supergravity,” JHEP 0605
Original
2008
Earlier work this paper cites.
A. Achucarro and K. Sousa, “F-term uplifting and moduli stabilization consistent with Kahler invariance,” JHEP 0803
Original
2008
Earlier work this paper cites.

Similar

M. Gomez-Reino, J. Louis and C. A. Scrucca, “No metastable de Sitter vacua in N=2 supergravity with only hypermultiplets,” JHEP 0902
Original
2009
Cited alongside, same era.
R. Kallosh, A. Linde and T. Rube, “General inflaton potentials in supergravity,” Phys. Rev. D 83
Original
2011
Cited alongside, same era.
Planck Collaboration (P.A.R. Ade et al.), “Planck 2015 results. XIII. Cosmological parameters,” arXiv:1502.01589 [astro-ph.CO]. P. A. R. Ade et al
Original
2013
Cited alongside, same era.
R. Kallosh, A. Linde and D. Roest, “Superconformal Inflationary α \alpha -Attractors,” JHEP 1311
Original
2014
Cited alongside, same era.
S. Cecotti and R. Kallosh, “Cosmological Attractor Models and Higher Curvature Supergravity,” JHEP 1405

Then

S. V. Ketov and T. Terada, “Inflation in Supergravity with a Single Chiral Superfield,” Phys. Lett. B 736
Original
2014
Later among the works it cites.
R. Kallosh and A. Linde, “Universality Class in Conformal Inflation,” JCAP 1307
Original
2015
Closest in time.
A. Linde, D. Roest and M. Scalisi, “Inflation and Dark Energy with a Single Superfield,” JCAP 1503
Original
2015
Closest in time.
A. Linde, “Does the first chaotic inflation model in supergravity provide the best fit to the Planck data?,” JCAP 1502
Original
2015
Closest in time.
S. Ferrara, R. Kallosh and A. Linde, “Cosmology with Nilpotent Superfields,” JHEP 1410
Original

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2015

The Hyperbolic Geometry of Cosmological Attractors

Carrasco, John Joseph M., Kallosh, Renata, Linde, Andrei et al.

Understand

Cosmological alpha-attractors give a natural explanation for the spectral index n_s of inflation as measured by Planck while predicting a range for the tensor-to-scalar ratio r, consistent with all observations, to be measured more precisely in future detection of gravity waves.

Their embedding into supergravity exploits the hyperbolic geometry of the Poincare disk or half-plane.
These geometries are isometric under Mobius transformations, which include the shift symmetry of the inflaton field.
We introduce a new Kahler potential frame that explicitly preserves this symmetry, enabling the inflaton to be light.

Built on

E. Cremmer, J. Scherk and S. Ferrara, “SU(4) Invariant Supergravity Theory,” Phys. Lett. B 74
1978
Earlier work this paper cites.
A. S. Goncharov and A. D. Linde, “Chaotic Inflation Of The Universe In Supergravity,” Sov. Phys. JETP 59
1984
Earlier work this paper cites.
M. Kawasaki, M. Yamaguchi and T. Yanagida, “Natural chaotic inflation in supergravity,” Phys. Rev. Lett. 85
2000
Earlier work this paper cites.
M. Gomez-Reino and C. A. Scrucca, “Locally stable non-supersymmetric Minkowski vacua in supergravity,” JHEP 0605
Original
2008
Earlier work this paper cites.
A. Achucarro and K. Sousa, “F-term uplifting and moduli stabilization consistent with Kahler invariance,” JHEP 0803
Original
2008
Earlier work this paper cites.