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29 March 2024
 
  » arxiv » 1510.2005

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A no-go theorem for monodromy inflation
David Andriot ;
Date 7 Oct 2015
AbstractWe study the embedding of the monodromy inflation mechanism by E. Silverstein and A. Westphal (2008) in a concrete compactification setting. To that end, we look for an appropriate vacuum of type IIA supergravity, corresponding to the minimum of the inflaton potential. We prove a no-go theorem on the existence of such a vacuum, using ten-dimensional equations of motion. Anti-de Sitter and Minkowski vacua are ruled out; de Sitter vacua are not excluded, but have a lower bound on their cosmological constant which is too high for phenomenology.
Source arXiv, 1510.2005
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