Non-tachyonic brane inflation

Details Non-tachyonic brane inflation Non-tachyonic brane inflation

2003-02-05

arxiv.org/abs/hep-ph/0302035v4

Phys.Rev. D67 (2003) 083519

Physics

High Energy Physics

High Energy Physics - Phenomenology

14pages, latex2e, references added, final version to appear in PRD

Scientific paper

10.1103/PhysRevD.67.083519

We consider non-tachyonic hybrid inflation in the context of the braneworld cosmology. When one considers models for brane inflation, hybrid inflation is a natural consequence of the tachyon condensation if it appears at the end of inflation. In this case, however, reheating is a difficult problem due to the peculiar properties of the tachyon. In this paper we show some models for brane inflation where a new type of hybrid inflation is realized due to the localized matter fields. The obvious advantage of our scenario is successful reheating, which is due to the potential that is localized on the brane. The serious problem of the loop correction is also avoided.

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