Supersymmetric topological inflation model

Details Supersymmetric topological inflation model Supersymmetric topological inflation model

2001-12-06

arxiv.org/abs/hep-ph/0112093v2

Phys.Rev. D65 (2002) 103518

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.65.103518

We propose a topological inflation model in supergravity. In this model, the vacuum expectation value (VEV) of a scalar field takes a value much larger than the gravitational scale $M_{G} \simeq 2.4 \times 10^{18}$ GeV, which is large enough to cause topological inflation. On the other hand, expansions of the K\"ahler potential and the superpotential beyond the gravitational scale are validated by the introduction of a Nambu-Goldstone-like shift symmetry. Thus, topological inflation inevitably takes place in our model.

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