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Multifield DBI Inflation and Non-Gaussianities

We analyze the trajectories for multifield DBI inflation, which can arise in brane inflation models, and show that the trajectories are the same as in typical slow roll inflation. We calculate the power spectrum and find that the higher derivative terms of the DBI action lead to a suppression of the...

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Detalles Bibliográficos
Autores principales: Huang, Min-xin, Shiu, Gary, Underwood, Bret
Lenguaje:eng
Publicado: 2007
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.77.023511
http://cds.cern.ch/record/1058321

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