On Brane Inflation With Volume Stabilization

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The distance between BPS branes in string theory corresponds to a flat direction in the effective potential. Small deviations from supersymmetry may lead to a small uplifting of this flat direction and to brane inflation. However, this scenario can work only if the BPS properties of the branes and the corresponding flatness of the inflaton potential are preserved in the theories with the stable volume compactification. We present an ``inflaton trench'' mechanism that keeps the inflaton potential flat due to shift symmetry, which is related to near BPS symmetry in our model.
12 pages, 2 figures

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High Energy Physics - Theory, Astrophysics, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/177995

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0311077
 http://arxiv.org/abs/hep-th/0311077
 JCAP0312:009,2003
 doi:10.1088/1475-7516/2003/12/009

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arXiv