Hybrid Inflation and Supergravity

Details Hybrid Inflation and Supergravity Hybrid Inflation and Supergravity

2000-11-21

arxiv.org/abs/hep-ph/0011261v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, uses crckapb.sty, crckapb.cls, seminar given at the NATO ASI "Recent Developments in Particle Physics and Cosmology"

Scientific paper

Hybrid inflation is a natural scenario in the absence of supersymmetry. In the context of supergravity, however, it has to face the naturalness problems of the initial conditions and of the adequate suppression of the inflaton mass. Both can be successfully addressed in a class of models involving Kaehler potentials associated with products of SU(1,1)/U(1) Kaehler manifolds and "decoupled" fields acquiring large vacuum expectation values through D-terms.

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