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2014

Inflation and Uplifting with Nilpotent Superfields

Kallosh, Renata, Linde, Andrei

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Recently it was found that a broad class of existing inflationary models based on supergravity can be significantly simplified if some of the standard, unconstrained chiral superfields are replaced by nilpotent superfields, associated with Volkov-Akulov supersymmetry.

The same method allows to simplify the existing models of uplifting of AdS vacua in string theory.
In this paper we will show that one can go well beyond simplifying the models that already exist.
We will propose a broad class of new models of chaotic inflation based on supergravity with nilpotent superfields, which simultaneously incorporate both inflation and uplifting.

Inflation and Uplifting with Nilpotent Superfields · Around

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R. Kallosh and A. Linde, “New models of chaotic inflation in supergravity,” JCAP 1011
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2011
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R. Kallosh and T. Wrase, “Emergence of Spontaneously Broken Supersymmetry on an Anti-D3-Brane in KKLT dS Vacua,” arXiv:1411.1121 [hep-th]

Then

D. Z. Freedman and A. Van Proeyen, “Supergravity,” Cambridge, UK: Cambridge Univ. Pr. (2012) 607 p
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2012
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E. Dudas, A. Linde, Y. Mambrini, A. Mustafayev and K. A. Olive, “Strong moduli stabilization and phenomenology,” Eur. Phys. J. C 73
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2013
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S. Ferrara, R. Kallosh and A. Linde, “Cosmology with Nilpotent Superfields,” JHEP 1410
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I. Antoniadis, E. Dudas, S. Ferrara and A. Sagnotti, “The Volkov-Akulov-Starobinsky supergravity,” Phys. Lett. B 733
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2014
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R. Kallosh, A. Linde, B. Vercnocke and T. Wrase, “Analytic Classes of Metastable de Sitter Vacua,” JHEP 1410

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