- Hybrid inflation with moduli stabilization and low scale supersymmetry breaking
- Journal of Cosmology and Astroparticle Physics
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- Faculty of Science (FNWI)
- Institute for High Energy Physics (IHEF)
We study the supergravity hybrid inflation model of Antusch in the presence of a modulus field. The η-problem is solved by a shift symmetry for the inflaton, which protects the inflaton mass even in the presence of the modulus field. Inflation is (nearly) unaffected by moduli stabilization, provided the scale of supersymmetry breaking in the post-inflation vacuum is small. Therefore the model has the nice phenomenology that it combines low scale supersymmetry breaking with high scale (grand unification scale) inflation.
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