New D-term chaotic inflation in supergravity and leptogenesis

Details New D-term chaotic inflation in supergravity and leptogenesis New D-term chaotic inflation in supergravity and leptogenesis

2008-02-04

arxiv.org/abs/0802.0525v2

Phys.Rev.D77:123516,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, no figure, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.77.123516

We present a new model of D-term dominated chaotic inflation in supergravity. The F-flat direction present in this model is lifted by the dominant D-term, which leads to chaotic inflation and subsequent reheating. No cosmic string is formed after inflation because the U(1) gauge symmetry is broken during inflation. The leptogenesis scenario via the inflaton decay in our D-term chaotic inflation scenario is also discussed.

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