Problems with chaotic inflation

Details Problems with chaotic inflation Problems with chaotic inflation

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phlb..180...14e&link_type=abstract

Physics Letters B, Volume 180, Issue 1-2, p. 14-18.

Physics

10

Scientific paper

The effects are considered of non-renormalizable terms on chaotic inflation which is shown to be always of importance. For potentials λφn/n chaotic inflation is feasible only if n < 11. In many theories the scalar potential will diverge at finite φ, and chaotic inflation is not possible. An example is provided by superstring theories, where the impossibility is shown of chaotic inflation in the case of gauge non-singlet fields. Even if there are no divergences at finite φ, a new scale much larger than the scale of gravity is needed. In the light of these results chaotic inflation does not appear natural.

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