Cosmological Inflation with orbifold moduli as inflatons

Details Cosmological Inflation with orbifold moduli as inflatons Cosmological Inflation with orbifold moduli as inflatons

1998-08-24

arxiv.org/abs/hep-th/9808142v3

Phys.Lett. B443 (1998) 111-120

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX file, 16 pages including 5 figures, v3 is the published version

Scientific paper

10.1016/S0370-2693(98)01328-8

Cosmological inflation is studied in the case where the inflaton is the overall modulus $T$ for an orbifold. General forms of the (non-perturbative) superpotential are considered to ensure that $G=K+{\rm ln}|W|^2$ is modular invariant. We find generically that these models do not produce a potential flat enough for slow roll to a supersymmetric minimum, although we do find a model which produces up to 20 e-folds of inflation to a non-supersymmetric minimum.

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