New D-term chaotic inflation in supergravity and leptogenesis

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

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High Energy Physics - Phenomenology, Astrophysics, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/200158

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0802.0525
 http://arxiv.org/abs/0802.0525
 Phys.Rev.D77:123516,2008
 doi:10.1103/PhysRevD.77.123516

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