Built on

J. R. Ellis, A. D. Linde and D. V. Nanopoulos, “Inflation Can Save the Gravitino,” Phys. Lett. B 118
1984
Earlier work this paper cites.
R. A. Horn and C. R. Johnson, “Matrix Analysis”. Cambridge University Press, 1990
1990
Earlier work this paper cites.
A. D. Linde, “Axions in inflationary cosmology,” Phys. Lett. B 259
Original
1994
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.
R. Kallosh and A. Linde, “New models of chaotic inflation in supergravity,” JCAP 1011
Original
2011
Earlier work this paper cites.
R. Kallosh and A. Linde, “Universality Class in Conformal Inflation,” JCAP 1307
Original
2013
Earlier work this paper cites.

Similar

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Then

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Later among the works it cites.
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2015
Later among the works it cites.
P. A. R. Ade et al
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Closest in time.
S. Ferrara, R. Kallosh and J. Thaler, “Cosmology with orthogonal nilpotent superfields,” Phys. Rev. D 93
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2016

Coupling the Inflationary Sector to Matter

Kallosh, Renata, Linde, Andrei, Wrase, Timm

Understand

We describe the coupling of matter fields to an inflationary sector of supergravity, the inflaton $\Phi$ and a stabilizer $S$, in models where the Kahler potential has a flat inflaton direction.

Such models include, in particular, advanced versions of the hyperbolic $\alpha$-attractor models with a flat inflaton direction Kahler potential, providing a good fit to the observational data.
If the superpotential is at least quadratic in the matter fields $U^{i}$, with restricted couplings to the inflaton sector, we prove that under certain conditions: i) The presence of the matter fields does not affect a successful inflationary evolution.
ii) There are no tachyons in the matter sector during and after inflation.

Built on

J. R. Ellis, A. D. Linde and D. V. Nanopoulos, “Inflation Can Save the Gravitino,” Phys. Lett. B 118
1984
Earlier work this paper cites.
R. A. Horn and C. R. Johnson, “Matrix Analysis”. Cambridge University Press, 1990
1990
Earlier work this paper cites.
A. D. Linde, “Axions in inflationary cosmology,” Phys. Lett. B 259
Original
1994
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.
R. Kallosh and A. Linde, “New models of chaotic inflation in supergravity,” JCAP 1011
Original
2011
Earlier work this paper cites.
R. Kallosh and A. Linde, “Universality Class in Conformal Inflation,” JCAP 1307
Original
2013
Earlier work this paper cites.