Modification to the power spectrum in the brane world inflation driven by the bulk inflaton

Details Modification to the power spectrum in the brane world inflation driven by the bulk inflaton Modification to the power spectrum in the brane world inflation driven by the bulk inflaton

2003-01-12

arxiv.org/abs/hep-th/0301072v2

Phys.Rev. D67 (2003) 123519

Physics

High Energy Physics

High Energy Physics - Theory

replaced with the revised version, accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.67.123519

We compute the cosmological perturbations generated in the brane world inflation driven by the bulk inflaton. Different from the model that the inflation is a brane effect, we exhibit the modification of the power spectrum of scalar perturbations due to the existence of the fifth dimension. With the change of the initial vacuum, we investigate the dependence of the correction of the power spectrum on the choice of the vacuum.

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